I'm a retired mechanical and automotive engineer so I have some street cred. I must say after 45 years listening to guys explain things I have to say you are one of the best! Clean, precise no unnecessary banter just straight to the point and you know your stuff. No substitute for experience. As far as a video presentation, no damn annoying music or trying to be an "entertainer", that just gets old. Great job!
I have a 71 series that the pump is frozen in place, I removed the bolts in order to change the shaft seal, but cannot rotate it to pull it off, any suggestions?
the pump has to go back a couple inches to clear the input shaft. if you cant clear the rear flange, loosen or remove the motor mounts to gain clearance. @@WilliamChiasson-pr3pj
Great video, I just pulled my velvet drive out of the boat and it needs a little refresh, this video helped boost my confidence that I can do it. Thanks for explaining your techniques, I will be using this video in a play/pause/do cycle cuz you didnt skip anything.
Loved the video I’ve just been installing the new forward frictions into mine and you mentioned a little resistance is fine but with mine it’s really tight and won’t turn, I’m wondering if the new frictions create extra drag? Or maybe I’ve got the snap rings mixed up? Any advise would be awsome, keep up the good work!
Many thanks for an awesome well thought out instruction video. I'm a retired marine engineer, but have never do a transmission before. Our yacht is currently in the islands of Indonesia with a 71C that isn't working as well as it should. Have purchased a seal and clutch plate kit and will do a refurb in a remote anchorage shortly.
@@danl382 good luck. I eventually pulled the gearbox many months later during a major refit in Thailand. The input and output shafts were badly corroded as was the damper/drive plate. Gave the lot to a local expert to do a total rebuild/refurnish. Had it just been the clutch plates and seals I would have done it myself.
Absolutely Awesome! Mahalo Nui Loa- I've got a pair of 10-18 to rebuild when I replace my big block engines next year! I also have a reduction drive, but you've given me the information I needed to overhaul the transmission.
We watched your tutorial and rebuilt the transmission on our sailboat. It took about two hours to tear it down and another 2 to put it back together. Next is to put it back on the motor. Thank you for the great information!
I had the pleasure of requiring a rebuild if a replacement vd specifically a 10-17 007. It is a 1.91 :1 reduction transmission. Although I have spent a lifetime rebuilding things as required this is the best representation one could hope for. My only comment is there will be variations to your own vd as us the case in my rebuild. Specifically I had 12 return springs for the reverse clutch and the metal disc with the three notches was required to be mounted opposite that as described in the video. This is because the 12th spring is located as to interfere with the wide part of the odd sized flange. Just a note to be aware of. No doubt has something to do with the reduction gearing or perhaps date of manufacture. Excellent presentation, thank-you!
Awesome video. Very clear on reassemble. Great with tips of what to look for. I have a 1989 40' Silverton twin 454 Crusaders. I had been inspired to give the transmission at try as part of engine overhaul. Thanks again
I have question thanks, ....when we started the boat engine today then once warm I pushed the throttle forward and engaged forward gear, as I gently throttled away from the boat ramp at about 1500 rpm I heard a serious roughness that caused the 125hp inboard to stall, I started it again gently engaged reverse and again as in increased the revs it's sounded rough as hell with each rotation and again the motor stalled. and this is before I could even throttle down to commence take of, Finally I started the engine again but very gently feathered the forward throttle slowly and increased the revs very slowly and the boat continued to about 3000 rpm and 15 knots plus, but it's was sounding rough again so I back off to idle speed then forwarded again faster and instantly heard rough grinding noised and the motor stalled before the boat could even get to 2000 revs, instantly stalling both in forward and reverse after successfully engaging the gears but stalling as I push the throttle only up to 1100 or 2000 rpm, when in reverse at idle speed I'm sure I can hear a rotating knock or crunch gear type of sound that happens in rithium with each rotation be it 750rpm or 1200 rpm. Can you please advise. Kind regards, and thanks so much for this great tutorial. Be we, regards from Robert, Melbourne Australia.
Wow! Fantastic video. Clearly you have done this a few times..... Wish I could drop my Nautique off and have you rebuild mine. Lost reverse....Very tempted to tackle this myself with your video as a guide.
So here is a question. I have torn apart my transmission and have this one O-ring that I don't think you have on yours. It's sort of like a spring O-ring. Meaning it's like a miniature slinky that is connected on the ends. It's 1.5 inches. Thoughts?
I recently lost reverse in my Nautique as well. What was the culprit of yours and did you get it fixed up on your own? Any resources are much appreciated!
@@kaseysulheim4616 It was the reverse ring, it was broken into pieces likely from age I suppose. These videos were fantastic! I literally had the laptop out in the garage and would pause as needed. It's not a hard job at all if you just follow along. It was harder getting the transmission out and then back into the boat. But once out the rebuild was pretty easy.
Many Thanks! This really helped me with my JD reverser. Seeing your technique getting the shaft in the forward clutch assembly (the spin + rubber mallet method) finally let me get this together. I was really getting frustrated getting this together. Manuals seem to be quite lacking in these techniques. That and I am somewhat physically challenged with respect to arm strength!
This is so helpful!! I'm rebuilding our 1981 Sisu 22' (built by Lakeside Marine just up the road) and getting ready to put the original 10-17-003 transmission back together this weekend and this couldn't have come at a better time. I think I'll ring you up sometime to see about getting on the dyno before I put it back in the boat.
Thank you for the excellent video. I just overhauled my friends 10-17. I wonder if someone had trouble with a leak in the past, it had 2 front seals in it and the inside seal spring was out of position. I reassembled it with just the one in the kit. Hopefully it will be good. Thanks again!!
I just got done rebuilding a 10-17-005 the transmission was not fully engaging in forward and trans was getting hot. Just put it back in the boat today and forward is still not fully engaging unless you add rpms. I did replace pump, steels, and clutch plates. Along with all seals. It almost seems like there's a internal leak or blockage. I could sure use some input on what to check. Thank you for your time
Very good video. Going to PV to fix ASC-71 combined with vacation. Will need advice on parts to take. Seals leaking, probably overheated, but functions.
My God this is the best instructional video I have seen yet. Please add a V-drive to this now lol. So sad Velvet drive not making any of the gears for it any more. 1987 Wellcraft St Tropez Twin 350`s
Thank you so much for sharing this information you've just saved us so much money I know I can do this myself I'm sure of it, so God-bless you m8t and good health to you.
GREAT TUTORIAL!!! Didn't hear what output pump pressure should read. Not sure if I was in neutral in the brain department. Does the 10-17 1:1 trans accept a gear reduction bell? I have a 10-17 in my boat and thought I'd get a backup trans but my unit has around a 1.5:1 reduction gear on it. Thanks again for the very informative video!
Question and comment. My son and I decided to rebuild the transmission in our 1980 Ski Natique, great video, very informative! We have a question about the outer pump gear and the pump. It appears that they are a bit scratched up, do we need to change both, and what will happen if we do not?
Awesome Video!! Thanks so much for making it! I have a 2010 Malibu Wakesetter with a velvet drive 72L-V and while its not exactly like the 10 17 that you rebuilt in the video, there are a lot of similarities. While wakesurfing about a month ago, we blew out the front seal. After watching your video, I've decided to rebuild mine myself. I have obtained the velvet drive service manual but still have a few questions that hopefully you can help me with. On both the service manual and your video, the end of the planetary gear has a lock nut, but on the 72l-V there isn't one, there is a female spline that the v drive slides into. So how do I remove the Planetary gear from the housing. Second question is how is the control valve removed. Also, how do you recommend me cleaning all the parts so that I don't get any rust or damage to them. Thanks Again!
Installing a piston into the cylinder is like pulling out a tree stump with roots. You gotta push a bit and relax a second. let it slowly absorb the piston.
Terrific Explanation on steps required with real world experience. Have you done any content on ZF 450D transmissions? I have one in my Response which appears to have a leaking rear seal.
Thanks for the video. I wish I'd wathced yesterday. I have a simple question for you. I just replaced the front seal on my 71c. I had to work blind due to the constraints of available workspace on my boat and ended up driving the seal about 3/16 deep. Is there sufficient surface on the pump at that depth to create a reliable seat. Thanks
Just want to start by saying amazing video helped my father rebuild one in his Mastercraft over this weekend. Everything seemed to of went back together properly and seemed to be within tolerances. After hooking it back up within five minutes of runtime we blew the front seal. any recommendation is to what we should check on our second teardown that we may have overlooked.
There is an updated pump that has a lip to prevent front seal blowout. If the seal was the correct size, then I suggest replacing the pump assembly so that won’t happen again.
Great video. So much valuable information. Quick question , what's the rattle about that comes out of them on a slow idle? I have noticed i need to tap up to about 800 to get rid of it.
Nice! Love to see a quick overview of the similarities and differences of the reduction models. Mine is a 1.91:1 which reverses the input and output rotation in forward gear. Is it mainly the added gear to the rear of the unit? or is there quite a bit more to it than that?
Hello, I am in the process of rebuilding a 71C. Thanks to your videos it will be much easier for me. The technical details were also very beneficial. I lost reverse and on tear down I found a broken single fiber reverse friction plate measuring .250. Should I install 2 bronze .115s and a .070 steel? I have not been able to find any info on the fiber friction plate. Is that .050 thickness difference going to matter or will there be room in the housing and the piston wont have to travel as far. Thanks in advance. Jim
Amazing video, I was in awe watching you fly thru both the disassembly and assembly of that transmission. Question: I have a Borg Warner 1:1 in my 1995 Malibu. The Manual says to use 10w tractor hydraulic fluid which I have used since the boat was new. I recently took my boat a mechanic for an engine issue and they also decided to change the trans fluid and they used the regular red transmission fluid. I'm not sure exactly which fluid. Should I change this back the hydraulic fluid? If so how well do I need to flush out the red stuff. I'm doing an engine swap so fluid will be drained anyway. Thanks!!
When you were testing the pressures should reverse pressure port need to be checked? should that be 150psi too? or 120 on your setup. I guess it depends what rpm the setup is.
Hi, thank you for the very clean instruction on the dissambly and assembly of this drive. I neef to replace the seals on my velvet 70c. Can I order parts from your company for shipment to the Netherlands?
I have a question, if I use one of these in a motorcycle powered car (150hp, 1500lbs) do you think the clutches will hold up? The input shaft will stop when I stop at lights so it will have to build pressure when the motorcycle clutch is released.
@@LakelandAutoMarine will I just picked up a 26 shamrock from the keys in great condition but the motor hasn’t been touched in over 10 years so I pulled the 351 out going to rebuild it I would like too do the tranny as will . But you can only imagine avoid 10 years and rainwater can do that motor but it’s not frozen I’m going too start off buy sandblasting it all then primer so it’s easier to work on.
My ol'man dropped the grommet for the fluid fill plug in the transmission. I fished the washers and nut outta there with a magnet, how do I get the grommet out?
I lost forward on my Velvet Drive this weekend, goes backwards without a problem. Wondering if there are some troubleshooting tricks I can check or do I have to tear the whole thing down?
@@LakelandAutoMarine my ring gear output shaft splines are very worn and I've bought a new flange and ring gear from somewhere near Seattle. My theory is that there should be two supports either side of the transmission but there isn't and that may be causing poor alignment when the transmission is in gear. There is a kind of flexible coupling with 8 rubbers that fit inside of an aluminium housing but I don't think it's effective.Q1, should I make supports because I just have 6 m10 bolts attaching it the the engine? Q2 the damper plate has 6 springs that are loose, should it be replaced,3100 hours.Q3, does it matter if I install the front oil seal further inside because the shaft is a bit rusty? Regards Nigel in Colombiers, France
How would a powerglide compare to these? There are EV kits to remove the torque converters. Obviously not simple for use with reverse rotation engines, but. I mainly car about getting reverse on a motorcycle drivetrain for use in a small car lol
Could you provide where and a part Number of the newer style oil pump with the lip to prevent from seal blow out please. I’m having a hard time finding it.
How important is the plastic oil baffle? I rebuilt the trans due to it overheating and constantly leaking trans oil. 80% of the original baffle is intact but the other 20% is melted. I have a new one ordered but they tell me it’s back ordered. What do you think about moving forward with the original.
Your videos are the best thanks, also can you do a video on a performance upgrade to an old Chrysler Crown or Grey Marine engine like do you ever turbo one of those old engines
out on the lake I was slipping in low rpm and needed to increase rpm to engage, and would shift rough, got it home and it looked like some milky transmission fluid on it. I have a history of this boat taking on a bit of water when surfing so I'm not convinced I have a water leak just yet, but is it likely just getting good fluid will fix the problem or am I look at something worse?
Thanks so much for these videos! I live in Key West and do various marine work. A customer of mine has a jet boat that was slipping on one engine, shipping to the mainland shopping for servicing was going to be quite expensive. I was surprised to find that his 10-18-002 only had one reverse steel and two plates.
Looks like I have to replace the input shaft on this transmission. I bought a new shaft. How do you remove the gear and put the gear on the new shaft? I imagine heating the gear? I can't find a video.
Hi! Thanks for video 😊 I’ve got the 72c transmission after friction disks changing, and it hasn’t neutral. When the engine is off I can spin the output shaft by my hands. Maybe you know the reason?
Olá amigo, parabéns ....como consigo comprar um jogo de reparos como este aqui no Brasil.....por favor se vc puder compartilhar como faço para importar este reparo, ficarei muito agradecido....
You mentioned something about there not being a 100% neutral. I have a definite "dirty neutral" with my 71C 1:1. Makes it hard to dock the boat, I've got basically a regular forward, a 30-40% forward in neutral, and reverse. Would be nice to get closer to a real neutral. Would a rebuild give me a neutral or just minimize what I currently have?
If it’s propelling the boat forward while in neutral then there could be an issue with the forward clutch. With the engine off can you rotate the prop shaft?
My 72C also creeps forward in neutral. It does propel the boat albeit slowly. It also causes quite a clunk in the remote v-drive and or the jackshaft when selecting reverse. I can rotate the shaft by hand when engine off - does that give an indication that the plates are still ok?
You probably have enough forward clearance then. Clunking could be too high of RPM, or excessive backlash in the V-Drive. I take it this is a 33’ Carver?
Should the transmission spin free in neutral? Like if I hold the output shaft while turning the input shaft, I can’t hold the output from turning. Like I have no neutral.
ever see a leak from the case bolts and bubbling? had mine rebuilt by a local shop, leaked, they fixed again, back in the boat, leaking again and started slipping lol. about 20 min total run time.
Thank you, Lakeland Auto & Marine, for such a good video! Have you considered putting a Patreon or a link on your website where people can contribute (tip you ) money if the video helps them?
Thank you for the reply. I’m starting to repair these types of marine transmission’s. I have one that the customer says he has no reverse. I’m going to check the linkage first of corse. I’m thinking of checking the reverse pressure as you showed. It may be a stuck Controle valve?? Any thoughts of how to diagnose it in the boat? I can’t thank you enough for this video. Great job explaining this system.
@@scottsmith2869 I’d check your reverse pressure at the tap in the front housing. It’s an 1/8npt plug right at the bellhousing. Should have 100-125psi in reverse there. If you don’t have it then either you have a leak in the reverse circuit or a control valve. If you have good pressure then the trans needs to come out as it’s an internal failure of some sort.
Well I found the problem. This older trans has only one reverse disc. It is broke and the springs got mangled up. I got all my parts and started putting it back together yesterday while watching your videos, pausing as I went forward. I got to the pressing of the forward clutch hub to the piston assembly. It was almost all the way down. I checked the snap ring grove and one side was half covered and the other had a bit more to go, one more pump on the press!!!!!!!! Then pow,,, the bottom of the piston case broke. It must have been slightly cocked? I got a used one ordered. Any suggestions on what not to do ???
The bronze clutch plates warp. But if everything is done right , they are neat. But if they stick together?, just watch a youtube video with a big boat running over everyone at the marina. Guy freakin out wondering why?
I'm a retired mechanical and automotive engineer so I have some street cred. I must say after 45 years listening to guys explain things I have to say you are one of the best! Clean, precise no unnecessary banter just straight to the point and you know your stuff. No substitute for experience. As far as a video presentation, no damn annoying music or trying to be an "entertainer", that just gets old. Great job!
one of the best how to's i have ever seen. nicely done.....
I have a 71 series that the pump is frozen in place, I removed the bolts in order to change the shaft seal, but cannot rotate it to pull it off, any suggestions?
the pump has to go back a couple inches to clear the input shaft. if you cant clear the rear flange, loosen or remove the motor mounts to gain clearance.
@@WilliamChiasson-pr3pj
Great video, I just pulled my velvet drive out of the boat and it needs a little refresh, this video helped boost my confidence that I can do it. Thanks for explaining your techniques, I will be using this video in a play/pause/do cycle cuz you didnt skip anything.
Glad it helped!
Loved the video I’ve just been installing the new forward frictions into mine and you mentioned a little resistance is fine but with mine it’s really tight and won’t turn, I’m wondering if the new frictions create extra drag? Or maybe I’ve got the snap rings mixed up? Any advise would be awsome, keep up the good work!
Many thanks for an awesome well thought out instruction video. I'm a retired marine engineer, but have never do a transmission before. Our yacht is currently in the islands of Indonesia with a 71C that isn't working as well as it should. Have purchased a seal and clutch plate kit and will do a refurb in a remote anchorage shortly.
Glad it was helpful!
Also, a current marine engineer (big ship) might be rebuilding my little boat transmission. The small transmission is foreign to me.
@@danl382 good luck. I eventually pulled the gearbox many months later during a major refit in Thailand. The input and output shafts were badly corroded as was the damper/drive plate. Gave the lot to a local expert to do a total rebuild/refurnish. Had it just been the clutch plates and seals I would have done it myself.
Thank you for a great video. I was concerned about the whine of my transmission in reverse but I now learned this is normal, so no worries.
You are welcome!
Absolutely Awesome! Mahalo Nui Loa- I've got a pair of 10-18 to rebuild when I replace my big block engines next year! I also have a reduction drive, but you've given me the information I needed to overhaul the transmission.
This is what experience looks like. Very nicely done, thanks for the video.
Glad you enjoyed it!
We watched your tutorial and rebuilt the transmission on our sailboat. It took about two hours to tear it down and another 2 to put it back together. Next is to put it back on the motor. Thank you for the great information!
I had the pleasure of requiring a rebuild if a replacement vd specifically a 10-17 007. It is a 1.91 :1 reduction transmission. Although I have spent a lifetime rebuilding things as required this is the best representation one could hope for. My only comment is there will be variations to your own vd as us the case in my rebuild. Specifically I had 12 return springs for the reverse clutch and the metal disc with the three notches was required to be mounted opposite that as described in the video. This is because the 12th spring is located as to interfere with the wide part of the odd sized flange. Just a note to be aware of. No doubt has something to do with the reduction gearing or perhaps date of manufacture. Excellent presentation, thank-you!
Awesome video. Very clear on reassemble. Great with tips of what to look for. I have a 1989 40' Silverton twin 454
Crusaders. I had been inspired to give the transmission at try as part of engine overhaul. Thanks again
Wonderful video,, saved me a few grand in repair bills 🤩👍
Great video. If I ever have a problem with my BW 5000Cs, they're coming to you!
I love the video. Amazing class very explanatory. I wish we had more like you.
Wow, thank you!
Vi los 2 videos. Muchas gracias por su conocimiento y gratis!
Saludos desde Mazatlán Sinaloa México. 🇲🇽
Excellent!... I wonder if you have ever done a Case Backhoe Shuttle Rebuild. They are very similar to that transmission. They are made by Borg Warner
I have question thanks, ....when we started the boat engine today then once warm I pushed the throttle forward and engaged forward gear, as I gently throttled away from the boat ramp at about 1500 rpm I heard a serious roughness that caused the 125hp inboard to stall, I started it again gently engaged reverse and again as in increased the revs it's sounded rough as hell with each rotation and again the motor stalled. and this is before I could even throttle down to commence take of, Finally I started the engine again but very gently feathered the forward throttle slowly and increased the revs very slowly and the boat continued to about 3000 rpm and 15 knots plus, but it's was sounding rough again so I back off to idle speed then forwarded again faster and instantly heard rough grinding noised and the motor stalled before the boat could even get to 2000 revs, instantly stalling both in forward and reverse after successfully engaging the gears but stalling as I push the throttle only up to 1100 or 2000 rpm, when in reverse at idle speed I'm sure I can hear a rotating knock or crunch gear type of sound that happens in rithium with each rotation be it 750rpm or 1200 rpm. Can you please advise. Kind regards, and thanks so much for this great tutorial. Be we, regards from Robert, Melbourne Australia.
I’d disconnect the prop shaft and make sure it’s in the transmission first.
Wow! Fantastic video. Clearly you have done this a few times..... Wish I could drop my Nautique off and have you rebuild mine. Lost reverse....Very tempted to tackle this myself with your video as a guide.
Glad it helped!
So here is a question. I have torn apart my transmission and have this one O-ring that I don't think you have on yours. It's sort of like a spring O-ring. Meaning it's like a miniature slinky that is connected on the ends. It's 1.5 inches. Thoughts?
I think I've answered my own question. Is it part of the old seals I took out. Phew....
I recently lost reverse in my Nautique as well. What was the culprit of yours and did you get it fixed up on your own? Any resources are much appreciated!
@@kaseysulheim4616 It was the reverse ring, it was broken into pieces likely from age I suppose. These videos were fantastic! I literally had the laptop out in the garage and would pause as needed. It's not a hard job at all if you just follow along. It was harder getting the transmission out and then back into the boat. But once out the rebuild was pretty easy.
Absolutely awesome video. You me of a coductor of an orchestra.... bringing all the different pieces together to make beautiful music. Thank you.
Wow, thank you!
Many Thanks! This really helped me with my JD reverser.
Seeing your technique getting the shaft in the forward clutch assembly (the spin + rubber mallet method) finally let me get this together. I was really getting frustrated getting this together. Manuals seem to be quite lacking in these techniques. That and I am somewhat physically challenged with respect to arm strength!
Glad it helped!
This is so helpful!! I'm rebuilding our 1981 Sisu 22' (built by Lakeside Marine just up the road) and getting ready to put the original 10-17-003 transmission back together this weekend and this couldn't have come at a better time. I think I'll ring you up sometime to see about getting on the dyno before I put it back in the boat.
Thank you for the excellent video. I just overhauled my friends 10-17. I wonder if someone had trouble with a leak in the past, it had 2 front seals in it and the inside seal spring was out of position. I reassembled it with just the one in the kit. Hopefully it will be good. Thanks again!!
Very good explanation. Thank you for helping me with this. I was able to rebuild my transmission with your awesome.
Great to hear!
I just got done rebuilding a 10-17-005 the transmission was not fully engaging in forward and trans was getting hot. Just put it back in the boat today and forward is still not fully engaging unless you add rpms. I did replace pump, steels, and clutch plates. Along with all seals. It almost seems like there's a internal leak or blockage. I could sure use some input on what to check. Thank you for your time
Put a pressure gauge on it. Sounds like a leak. Reverse goes right in?
Thanks for your reply but it was low on trans fluid the marina didn't add enough.
@@LakelandAutoMarine
Great video. Gave me the confidence to fix my transmission. Thank you.
Very good video. Going to PV to fix ASC-71 combined with vacation. Will need advice on parts to take. Seals leaking, probably overheated, but functions.
Hard to say what you need without disassembly.
Great and clear video! I’ve got a 1999 340 Sundancer with v-drives! Would love to see you do a rebuild on one!
What an excellent vid . Makes me feel quite happy to buy one of these boxes now .
My God this is the best instructional video I have seen yet. Please add a V-drive to this now lol. So sad Velvet drive not making any of the gears for it any more. 1987 Wellcraft St Tropez Twin 350`s
If I have time I’ll do a V-Drive the next time one comes in.
@@LakelandAutoMarine AWESOME
Thank you so much for sharing this information you've just saved us so much money I know I can do this myself I'm sure of it, so God-bless you m8t and good health to you.
GREAT TUTORIAL!!! Didn't hear what output pump pressure should read. Not sure if I was in neutral in the brain department. Does the 10-17 1:1 trans accept a gear reduction bell? I have a 10-17 in my boat and thought I'd get a backup trans but my unit has around a 1.5:1 reduction gear on it. Thanks again for the very informative video!
Very detailed assembly tutorial, thank you for this information!
Thanks great video. You are a natural instructor.
Question and comment. My son and I decided to rebuild the transmission in our 1980 Ski Natique, great video, very informative! We have a question about the outer pump gear and the pump. It appears that they are a bit scratched up, do we need to change both, and what will happen if we do not?
Awesome Video!! Thanks so much for making it! I have a 2010 Malibu Wakesetter with a velvet drive 72L-V and while its not exactly like the 10 17 that you rebuilt in the video, there are a lot of similarities. While wakesurfing about a month ago, we blew out the front seal. After watching your video, I've decided to rebuild mine myself. I have obtained the velvet drive service manual but still have a few questions that hopefully you can help me with. On both the service manual and your video, the end of the planetary gear has a lock nut, but on the 72l-V there isn't one, there is a female spline that the v drive slides into. So how do I remove the Planetary gear from the housing. Second question is how is the control valve removed. Also, how do you recommend me cleaning all the parts so that I don't get any rust or damage to them. Thanks Again!
Installing a piston into the cylinder is like pulling out a tree stump with roots. You gotta push a bit and relax a second. let it slowly absorb the piston.
Terrific Explanation on steps required with real world experience. Have you done any content on ZF 450D transmissions? I have one in my Response which appears to have a leaking rear seal.
Thanks for the video. I wish I'd wathced yesterday. I have a simple question for you. I just replaced the front seal on my 71c. I had to work blind due to the constraints of available workspace on my boat and ended up driving the seal about 3/16 deep. Is there sufficient surface on the pump at that depth to create a reliable seat. Thanks
Just want to start by saying amazing video helped my father rebuild one in his Mastercraft over this weekend. Everything seemed to of went back together properly and seemed to be within tolerances. After hooking it back up within five minutes of runtime we blew the front seal. any recommendation is to what we should check on our second teardown that we may have overlooked.
There is an updated pump that has a lip to prevent front seal blowout. If the seal was the correct size, then I suggest replacing the pump assembly so that won’t happen again.
Great video. So much valuable information. Quick question , what's the rattle about that comes out of them on a slow idle? I have noticed i need to tap up to about 800 to get rid of it.
That’s usually either an uneven running engine or the dampener plate is loose.
Nice! Love to see a quick overview of the similarities and differences of the reduction models. Mine is a 1.91:1 which reverses the input and output rotation in forward gear. Is it mainly the added gear to the rear of the unit? or is there quite a bit more to it than that?
Yes, the case is different along with the planetary inside the case.
Thanks so much for this mate... True professional!
Hello, I am in the process of rebuilding a 71C. Thanks to your videos it will be much easier for me. The technical details were also very beneficial. I lost reverse and on tear down I found a broken single fiber reverse friction plate measuring .250. Should I install 2 bronze .115s and a .070 steel? I have not been able to find any info on the fiber friction plate. Is that .050 thickness difference going to matter or will there be room in the housing and the piston wont have to travel as far. Thanks in advance. Jim
Also, I have been in contact with Alto products tech support and they were not sure either.
Amazing video, I was in awe watching you fly thru both the disassembly and assembly of that transmission.
Question: I have a Borg Warner 1:1 in my 1995 Malibu. The Manual says to use 10w tractor hydraulic fluid which I have used since the boat was new. I recently took my boat a mechanic for an engine issue and they also decided to change the trans fluid and they used the regular red transmission fluid. I'm not sure exactly which fluid. Should I change this back the hydraulic fluid? If so how well do I need to flush out the red stuff. I'm doing an engine swap so fluid will be drained anyway. Thanks!!
Either fluid works fine
When you were testing the pressures should reverse pressure port need to be checked? should that be 150psi too? or 120 on your setup. I guess it depends what rpm the setup is.
Hi, thank you for the very clean instruction on the dissambly and assembly of this drive. I neef to replace the seals on my velvet 70c. Can I order parts from your company for shipment to the Netherlands?
I have a question, if I use one of these in a motorcycle powered car (150hp, 1500lbs) do you think the clutches will hold up? The input shaft will stop when I stop at lights so it will have to build pressure when the motorcycle clutch is released.
You are the man best step by step iv ever seen on RUclips . How much too you guy’s charge for a rebuild on that same transmission
Thanks! Depends on what’s wrong.
@@LakelandAutoMarine will I just picked up a 26 shamrock from the keys in great condition but the motor hasn’t been touched in over 10 years so I pulled the 351 out going to rebuild it I would like too do the tranny as will . But you can only imagine avoid 10 years and rainwater can do that motor but it’s not frozen I’m going too start off buy sandblasting it all then primer so it’s easier to work on.
Desde argentina excelente tutoría!!!! Gracias
What is the part number for that seal kit? Thank you for the video
My ol'man dropped the grommet for the fluid fill plug in the transmission. I fished the washers and nut outta there with a magnet, how do I get the grommet out?
I lost forward on my Velvet Drive this weekend, goes backwards without a problem. Wondering if there are some troubleshooting tricks I can check or do I have to tear the whole thing down?
I have a Paragon P45 L transmission but it's impossible to find out more information about it, no videos anywhere.
I have a P44 video on our channel. That’s basically the same except for the ratio. What info are you looking for?
@@LakelandAutoMarine my ring gear output shaft splines are very worn and I've bought a new flange and ring gear from somewhere near Seattle. My theory is that there should be two supports either side of the transmission but there isn't and that may be causing poor alignment when the transmission is in gear. There is a kind of flexible coupling with 8 rubbers that fit inside of an aluminium housing but I don't think it's effective.Q1, should I make supports because I just have 6 m10 bolts attaching it the the engine? Q2 the damper plate has 6 springs that are loose, should it be replaced,3100 hours.Q3, does it matter if I install the front oil seal further inside because the shaft is a bit rusty? Regards Nigel in Colombiers, France
How would a powerglide compare to these? There are EV kits to remove the torque converters. Obviously not simple for use with reverse rotation engines, but. I mainly car about getting reverse on a motorcycle drivetrain for use in a small car lol
Excellent video - thanks for sharing!
How many quarts of atf does a velvet drive 10-17-006 gear reduction hold?
Could you provide where and a part Number of the newer style oil pump with the lip to prevent from seal blow out please. I’m having a hard time finding it.
3000508001 We have them in stock.
How important is the plastic oil baffle? I rebuilt the trans due to it overheating and constantly leaking trans oil. 80% of the original baffle is intact but the other 20% is melted. I have a new one ordered but they tell me it’s back ordered. What do you think about moving forward with the original.
Baffle is more to prevent oil foaming. Should not have anything to do with leaks.
Your videos are the best thanks, also can you do a video on a performance upgrade to an old Chrysler Crown or Grey Marine engine like do you ever turbo one of those old engines
out on the lake I was slipping in low rpm and needed to increase rpm to engage, and would shift rough, got it home and it looked like some milky transmission fluid on it. I have a history of this boat taking on a bit of water when surfing so I'm not convinced I have a water leak just yet, but is it likely just getting good fluid will fix the problem or am I look at something worse?
yep - sounds like low pressure or a worn forward clutch
Thanks so much for these videos! I live in Key West and do various marine work. A customer of mine has a jet boat that was slipping on one engine, shipping to the mainland shopping for servicing was going to be quite expensive.
I was surprised to find that his 10-18-002 only had one reverse steel and two plates.
What would cause the trans to bang into gear?
Where do you purchase your kits?
Any idea for the trushwasher on a bushing trans style where I can find it or part number for it?
We should have on. Call our store @ 419-734-1300.
Thanks but I found one. Any idea why once I put the reverse pressure plate assembly back on it binds up and doesn’t rotate?
What are those double joint snap ring pliers?
Looks like I have to replace the input shaft on this transmission. I bought a new shaft. How do you remove the gear and put the gear on the new shaft? I imagine heating the gear? I can't find a video.
Press.
Question for you: Why use Dex3 when Mobil 424 is required from velvet drive? V-drives
I'm not aware of that. We use Dextron in ours and that is what the service manual calls for.
Hi! Thanks for video 😊 I’ve got the 72c transmission after friction disks changing, and it hasn’t neutral. When the engine is off I can spin the output shaft by my hands. Maybe you know the reason?
Sounds like pressure is bleeding into the forward circuit..
@@LakelandAutoMarine through the shift valve?
Does it drive the boat forward?
@@LakelandAutoMarine yes, the boat is driving forward on neutral
Olá amigo, parabéns ....como consigo comprar um jogo de reparos como este aqui no Brasil.....por favor se vc puder compartilhar como faço para importar este reparo, ficarei muito agradecido....
Can suppport about 5500 rpm this type of transmission ???
You mentioned something about there not being a 100% neutral. I have a definite "dirty neutral" with my 71C 1:1. Makes it hard to dock the boat, I've got basically a regular forward, a 30-40% forward in neutral, and reverse. Would be nice to get closer to a real neutral. Would a rebuild give me a neutral or just minimize what I currently have?
If it’s propelling the boat forward while in neutral then there could be an issue with the forward clutch. With the engine off can you rotate the prop shaft?
@@LakelandAutoMarine I will check
My 72C also creeps forward in neutral. It does propel the boat albeit slowly. It also causes quite a clunk in the remote v-drive and or the jackshaft when selecting reverse. I can rotate the shaft by hand when engine off - does that give an indication that the plates are still ok?
You probably have enough forward clearance then. Clunking could be too high of RPM, or excessive backlash in the V-Drive. I take it this is a 33’ Carver?
@@LakelandAutoMarine not a 33’Carver, a 32’ Palmer Clearpassage. Mitsubishi 6cyl. with 1018-001 and Walter v-drive.
Should the transmission spin free in neutral? Like if I hold the output shaft while turning the input shaft, I can’t hold the output from turning. Like I have no neutral.
If you can't hold it while the transmission is in neutral and it propells the boat forward then yes, you have an issue.
ever see a leak from the case bolts and bubbling? had mine rebuilt by a local shop, leaked, they fixed again, back in the boat, leaking again and started slipping lol. about 20 min total run time.
Not normally....
Really appreciate it
Superb educational vidio, Thanks
Great video
Thanks!
Brilliant tutorial thanks.
You're welcome!
Hi I have a 10-18-002, 1:1 It has no cooler fittings on the case! Is this normal?
No, that's not normal.
Thank you, Lakeland Auto & Marine, for such a good video! Have you considered putting a Patreon or a link on your website where people can contribute (tip you ) money if the video helps them?
You can give “Super Thanks” through RUclips if one wanted to.
Very great info! Where is your source for rebuild kit?
We use Alto and Velvet Drive. We can supply parts if need be.
Thank you for the reply. I’m starting to repair these types of marine transmission’s. I have one that the customer says he has no reverse. I’m going to check the linkage first of corse. I’m thinking of checking the reverse pressure as you showed. It may be a stuck Controle valve?? Any thoughts of how to diagnose it in the boat? I can’t thank you enough for this video. Great job explaining this system.
@@scottsmith2869 I’d check your reverse pressure at the tap in the front housing. It’s an 1/8npt plug right at the bellhousing. Should have 100-125psi in reverse there. If you don’t have it then either you have a leak in the reverse circuit or a control valve. If you have good pressure then the trans needs to come out as it’s an internal failure of some sort.
Thanks for the info. I’ll check the pressure first. Take care.
Well I found the problem. This older trans has only one reverse disc. It is broke and the springs got mangled up.
I got all my parts and started putting it back together yesterday while watching your videos, pausing as I went forward.
I got to the pressing of the forward clutch hub to the piston assembly.
It was almost all the way down. I checked the snap ring grove and one side was half covered and the other had a bit more to go, one more pump on the press!!!!!!!! Then pow,,, the bottom of the piston case broke. It must have been slightly cocked? I got a used one ordered.
Any suggestions on what not to do ???
hello where can i get the oil pump. or another place?
Any reputable Velvet Drive dealer.
Do you sell rebuild kits, or where should I buy one from
Yes we do. You can call 419-734-1300 to order.
Good stuff.
Thanks
Thank you!
Thank you.
The sealing ring hooks trick isn't easy, don't use a pic, it's very brittle, I broke one and had to order again
Je bent echt goed groeten uit Nederland
Van rob
The bronze clutch plates warp. But if everything is done right , they are neat. But if they stick together?, just watch a youtube video with a big boat running over everyone at the marina. Guy freakin out wondering why?
What oil do you recommend for use? Atf type f or dexron2?
Any good brand Dextron III or higher. You can use Type F as well.
Thanks!
No problem! Thank you!
Am I the only one watching, asking themselves, "why can't it be as simple as an outboard transmission?"
thanks
You're welcome!
Я з України з моїм не знанням англійської все зрозуміло толковий вчитель удачі
Great video
Thanks!
Great video
I wish all videos were this detailed
Thank you!!