Duramax Allison Transmission Full Service Fluid & Filter Change
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- Опубликовано: 6 сен 2024
- How To Guide! Full Duramax Allison transmission service! Filter & Fluid Change! This will save your transmission. I recommend this fluid and doing regular maintenance on your duramax Denali.
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This was well worth the work even tho it was a long day/night haha!
Driveway Demons yes sir it was, you just do not know the maintenance history of Mad Max. I would hate to know the cost of one of these transmissions if it went out. 😬
Driveway Demons Great Video I'm Glad you get the Transmission fluid taken care of so MadMax's transmission can work very well like it's supposed to
GetSocialButterfly 3500 bucks get yourself a built trans and stomp on it
Or u can pay dealership $375 hope they did it right great video bro very helpful
How many quarters total ???
I use to work with a person who use to work at an Allison transmission place.. He was more of the behind the desk guy at that place. And I know someone who rebuilds Allison transmissions for a living.
They don’t know each other but they both agree you don’t have to ever do the internal filter on the Allison unless you do a rebuild. That’s how they designed it. You have the outer filter and a drain plug. Don’t open up anything. Even if you’re doing heavy stuff. Just change the fluid and filter more
You’re 100% on this?
Thanks for making the video, very informative. One note I wanted to add is that manually selecting the gears doesn’t actually engage them. It only limits the transmission on the highest gear that it will shift into.
I bought my lbz at 100k changed the fluid (didn't remove pan) and I just changed it again at 160k and it looked twice as good as the fluid showed. I couldn't believe it, this truck tows a 17ft traiter loaded and plows my driveway in the winter. These transmissions are amazing.
Great vid, thx for posting. Now I am not worried about tackling this job. People like you taking the time to make & post a video just makes the world a little bit better, at least for us DIY’ers 🤟🏼
Glad it helped
Just so you’ll know, that was probably the original fluid fill from the factory.
I just pulled the pan off of mine yesterday to put a deep pan on it while I was changing the leaky cooler lines and putting a bigger cooler in the grille.
I bought the truck new, and yesterday is the first time the fluid has ever been drained and changed. The truck is a 2007 K-2500 Classic, the inside of the pan wasn’t any dirtier than yours was with the fluid being just a bit darker than yours.
I have changed to spin-on filter every 25 - 50K miles with an Allison brand filter every time except once.
But I have to admit, you lost me when you put a filter wrench on it to tighten a filter that is only supposed to be hand tight. That is exactly why you had a hard time removing the old filter. Never ever, even less than that, tighten any spin-on filter with a filter wrench, hand tighten only.
Allison recommends only changing the internal filter at overhaul time, even though they chose to put a reusable pan gasket on it to save you $40 or $50 on a new gasket. Obviously that’s out the window if you decide to put a deep pan on it like I did. You can do what you want though, it’s yours.
I will guarantee you that not any mechanics that thoural anymore! I guess that's why I do my own work now! Good job sir
There’s no need to drop the pan. The internal filter is to be changed upon rebuild. It’s more of a strainer than a filter.
The external filter is plenty.
the park paul is not controlled by pressure , its held in place with a spring , if pressure was holding the park paul it would release when the engine was shut off as there is no pressure , the fluid can be checked in park or neutral.
well, I took around 10 quarts out of my pan drop, I put 10 and a bit back in, an at 165 F in park, I am just at the beginning of the hot has marks, thought?
Lol that was what I was thinking when he said that. If fluid pressure controlled the parking brake the truck would just roll away when you shut the engine off. The is actually a wedge that pushes the paul into the dogs when you place it in park the spring is actually a return to keep it out of the way just finished the rebuild on mine
The dipstick actually says "check while in park"
@@MSWracing the dipstick can’t read.
Allison repair and service says you do not change internal filter unless you are rebuilding the unit that is why they put on an external filter. That external filter runs straight into your pump. Allison’s are designed in a way that you change the oil in them like you do motor oil. Drain remove filter install new filter and fill. It can actually do more harm then good to change internal all the time. The wore down clutch material in the oil helps worn clutches to grab better when worn down
Right. Dude is insane saying change it every 30k.
@@therealtrucker7564
I thought he was insane when he tightened the new filter with a wrench. He had hell getting the old one off and then put the new one on just as tight or tighter.
don't know why i watched this. i don't have a diesel.. That Allison transmision looks easy to work out. Internal and external filters with magnets on both. Nice! this transmission looks easier to service than my 2011 subaru outback cvt... Nice work bro!
Thanks Christopher! I am glad you enjoyed it. Subaru is hard to work on for sure 💪🏻
Draining the transmission fluid through the drain plug vs. dropping the pan should make little difference in the amount of oil that is changed. The reason people drain change the oil, refill, drive a few hundred miles, and then change it again is because that way it flushes the oil in the torque converter.... Not to flush more oil out of the pan.
It is better to do a flush with disconnecting the transmission cooler return and crank the truck.
It is actually quite a bit plus I left mine sit for a week waiting for parts and got another 2 litres after laying under it while taking the valve body off. I’d say an easy 4L difference between pulling the pan and pulling the drain plug
For those wining about it:
Transmission pan bolts - 20 ft/lb
Transmission pan plug - 26 ft/lb
thank you, not all of us own a service manual with the specs, otherwise, I wouldn't bother watching youtube
You left out don’t overtighten the spin-on filter by putting it on with a filter wrench like he did. That is exactly why he had trouble getting the old filter off. Only hand tighten any spin-on filter, no wrench at all except to remove an old filter.
I know this is an older video but the manual says nothing about checking the fluid while the truck is in neutral. It actually says check it in park while the engine is running.
A little warning for those that are doing this for the first time. In a stroke of engineering genius (not) the drain plug boss is about 3/4" above the bottom of the pan. When the fluid stops draining there is still a couple quarts in the pan. You have to carefully lower the pan and dump the rest into another receptacle. Or accidently drop the pan and you can clean up the fluid with speedi dry.
Maybe recessed so it wouldn’t snag and get get damaged.
@@1768ify Have you seen many drain plugs get damaged? My point was that when you think the pan is empty it isn't.
@@albatross5466 yeah, see, it works!
The gear selector doesn't actually change any gears, it's just a range limit selector. So if you're driving and have it in 3, the transmission will shift between 1st and 3rd as needed, but not to 4th.
I was looking for this comment lol I was thinking “that ain’t doing a damn thing bud”
We all learning everyday 👍🏆
Very informative!!! Great step by step.... so far the Chevrolet duramax and allison set up has been fairly easy to maintain and trouble shoot....FYI...DELETE DELETE DELETE....I can't Express that enough. If your already happy with your dmax stock..... You'll be so happy with a deleted duramax 🤗 ps... brand new trans turn key from Chevrolet starts at $6800, Going with a junkyard pull out about $2500,A professional built with stage III shift kit conversion to hold up to 800 horses..... priceless
Thanks Ronnie!
Delete what
@@superjeep9633 EGR valve. I would nnnnever do that!!! If i felt like doing that I would put Two s.s. plates on the conector between the EGR cooler and the EGR valve. Make them with slots not holes for the clamp bolts. To pass smog in cally, they must be removed.
Well done for a driveway change. Changed my mind about doing it myself. No bad language!! (nice).😁
You explain things so thoroughly and it is Awesome!
Thanks buddy 😀
just did mine today and it was as clean as yours (magnet clean) at 70000miles , 10% trailer towing
Good stuff
Mine had 90 thousand before a fluid and internal filter change and the truck has towed heavy since new. My pan was cleaner than that and have only changed the external filter at every 30 thousand miles.
Been waiting for an Allison 1000 fluid video, clear and concise, thank you! I subscribed as well.
Thanks bro!
It is always a good idea( how I always do it and have done it) is after what you did..drive it for the 100 to 200 miles...and then do that again,because the first time you do the trans fluid change..the converter still has old fluid it. Not very many folks think of this.Costly yes..time,consuming yes..well worth it...and I change all the filters and drop the pan..everything times 2!
The second change out is in theory, changing 50pct of the 'new' fluid you just put in.'
New sub here brother! Great video man. I really appreciate the thorough explanation of how to service the Allison. Im definitely gonna save the 300 plus dollars I was gonna pay the dealership to service mine. Good looking out man!
Filter wrenches are for loosening filters only. I’ve heard a full turn past when the seal hits sealing surface. I always just crank on the filter as much as I can just with my hands.
But using a filter wrench on a new filter may damage it. But at the very least you will have a hard time changing it next time.
2015 Duramax manual says you need to add 7.4 quarts when changing internal and external filters.
James Bailey
Good day;
My ole neighbor has a 2000 chevy 2500 diesel 4wd and a week ago he said brake pedal went to floor.
IT has the hydraulic Fluid (power steering) brake booster .
I tinker and want to try save him a buck.
No complaint of steering issue.
I felt underside at Master /booster union and feel minimal fluid. No puddle or honest trace of a external leak.
I jumped in truck, hit brake pedal- to floor.
I let truck run a bit then shut off - pedal to floor.
I held foot on pedal and started - no build up.
If I take foot off- pedal will return out.
I have not worked on a hydr, just the old canister suction type.
On another vid it was concluded a ABS pump was the prob on a like issue.
I think the pedal/booster start /stop engine pre tests lead me to the booster.
Greatly appreciate your thoughts if I have misunderstood sequence of diagnosing.
Best; Tom
Well done man. Exceptional video...completely covered, with great info.Gave you a sub
Much appreciated!
No need to tighten any filter with wrench/strap wrench.
Well if my hands are covered in oil I use it to give it the slightest little turn. However, I don’t crank on it serveral times like this dude did
i put a 4ft handle on my filter wrench keeps the filter in place
I use a cheater bar on my wrench
I put a screwdriver through my new filter and use that to tighten it up. Also works good for removal.
@@GrandPrix46 it also lubricates the under carriage with your method. Excellent tip!👍
I’ve been towing 350,000 miles. I guess it’s time to change the fluid.
If servicing an Allison is *TOO difficult, you probably shouldn't be wrenching on anything. lol
You only need to change the internal filter when rebuilding..
Preventative maintenance never hurt anyone
Question you saying 10 quarts , why do you have 4 jugs 3.73 each thats 12 L im confused
What year is your truck? I have 2020 gmc duramax 3500. It has no exterior filter. I would think it is better to drop pan and replace interior filter not just siphon fluid. Especially first service.
Trans pan gasket is MLS..multi layer steel..no shift in the valve body? Man ,you were right there!
Great video,hat is the purpose of changing the pto covers unless they are leaking?I changed the trans fluid in my Duramax almost to years ago checking it with the transmission in park.I had no issues. Two drain and fills and did not change the internal filter as it is not recommended until the trans is overhauled.
Well that's crazy Michelle John some of this guys here they said is ok to do it sooo will do it on mine tomorrow morning sooo also I have a issue right. Now sooo shows a orange triangle and says check trans!!
Do you have to do the PTO covers? How many quarts total is required? is there a way to drain the converter with out driving draining and filling up with new fluid?
Allison service recommendation is to only change the sump filter at transmission overhaul.
lol @ "pavement queen." bars, anyhow, I really enjoyed this video man. Thanks for the help, new to Duramax and Allison and this is def the video for people who got their feet wet.
VERY GOOD video BUT, ANYTIME you say you are going to torque something, please give the torque value!!!
Dumb question; What is the reason for removing and changing the two PTO cover gaskets? Is it ok to forgo this step if your PTO covers are not leaking?
Jeffrey Collier yes you can skip. It’s just if they are leaking
Where did you buy the fluid and trans kit from
great job on explaining it
Quick question:
Bought a 2003 Duramax that had trans fluid/filter changed before i bought around 192k. Now has 235k and I'm going to change fluid and filter.
1.should i be dropping the pan or just a spin on filter and drain/refill?
2. Is Valvoline Merc VI good or should i be switching to Transynd?
Rub oil on the gasket of the new external filter and hand tighten it. The friction of the dry gasket will mimic being tight but its not.
Nice video. Very through ! Thank you for your time. Peacefrom510 .
Great video really done well thank you for thr info.
a lot of hard work!
Very informative! Thanks
No problem glad I could help 😁
The drop and fill then drive 100 200 miles drop and fill again is for removal of non synthetic and or to get rid of to thin for the allison dexron 6.
Good video. Going to do this on my recently purchased 2006. Looking for best deal on that Transynd fluid.
Thanks! This is the best for allison transmissions
Is expensive ut worth the money man
I found the cheapest to be Dmax store and Merchant auto..Still nearly $50 per gallon..
A soil is the best!!!👍👍👍
AMSOIL is the best!!!👍👍👍
LML service manual indicates
7.4 qts if a change including internal filter.
Can't always follow the manual; have to adjust ±0.3 quarts sometimes; previous person could have worked on this and not had it to specs, so dipstick and a few miles are your better bet here
Any need to remove the PTO covers if they ar not leaking? I did not see any significant amount of oil draining from them, or did I miss it?
No need if dry
Just wondering why you didn’t include the torque values for the pan bolts and drain plug?
Pft.
Because we're RUclips Mechanics 😂
Watch again but this time listen to the words.
Thanks for the video. Very helpful.
What does going through the gears In Manuel do? It’s not actually shifting the truck so does it really serve a purpose? Just wondering
Anyone unhook a cooling line , add fluid then run till clean fluid come out ? Then put back together fill the rest of the way ..,
Wondering if that might get more fluid out ? Or not worth it
Thoughts ?
Awesome 👏 video great 👍 work keep up the good work.
Great! Thank you!
If no leaks or seepage is present, still change the PTO covers?
I wouldn't bother if it was mine.
Thank You!
💪🏻💪🏻
Still miss your Durango though. Haha. Peacefrom510 .
awesome video
You’ve always got your six p’s down. Proper planning prevents piss poor performance! 😎
everyone on forums says internal change isnt necessary unless u have to overhaul trans.. just change spin off every 20-30k.
jclark when you change the spin off do you fill trans oil in it?
Jose Sanchez yup
Seeing as how it isn't a big deal pulling the pan, and filters are cheap (I got an Allison internal deep filter for $22 from a local Freightliner dealer), why not do it every 100k? Gasket is even reusable, so no need to replace that, plus it gets a couple more qts of fluid out. While it may not be necessary, it also isn't going to hurt anything.
@@GrandPrix46 Exactly what I was thinking. Preventative maintenance costs a bit more; but gives more piece of mind at times
Who are you?Gm recommends only changing the internal filter @ tear down & rebuild or 500k miles which ever comes first-my tuned 2004 LLY has 415k hard miles on it and still performing like it should.What are your credentials?where did you come up w/this super costly (in more ways than one) Allison service intervals?bought my truck new & have never had the pan off the 5 spd in my truck
Some RUclipsrs are learning as they go, no harm in that. Guy never claimed to be an expert. You're always free to create your own content with corrections 👍
What part numbers for gaskets & internal filter?
Why remove the PTO covers? Were they leaking?
What is the point of changing the pto cover gaskets? Would you only do it if they are leaking?
For leaking mostly
How many quarts of fluid did you use at the end?
What could cause the truck to say it's unable to communicate with the transmission and shift all funny and clunky after changing the trans fluid and filter? 2010 silverado 3500 hd
I want to know also...if ever in case I have this problem.
Is the pan filter supposed to click in? Or it kinda tilts down? What holds it?
You should use Amsoil ATF. You can double your OEM drain interval, with trans fluid analysis, you can possible quadruple the interval or longer. Meets and far exceeds your spec listed. Disconnect transmission cooler return when flushing, after dropping the pan.
I run amsoil in just about all my stuff, but could not find any documentation that it meets allison specs. Because of that I am running transynd 668, which is allison recommended.
@@darinroske1189 If you give me your year, make and model, I will run down the spec for you. I will be glad to furnish the documentation. I will then be able to assure you, beyond a shadow of a doubt that the fluid meets and far exceeds the specifications.
@@peterssynthetics-independe6786 2012 Chevy 3500HD Crewcab long box srw with Duramax 6.6
Great video. Thank you!
Very welcome! I have a lot more Duramax content coming.
For the cold check procedure do you check it w/ truck off or do you turn truck on & go to D,N, & REVERSE then check fluid level?
Always warm in neutral.
How you get to 150’ lol
Mine dont touch 150’ towing
The internal filter does not need to be changed unless the transmission has a failure. The external filter and fluid only needs to be changed with the recommend interval. Your just wasting money and time changing the pickup filter.
100% agree, it’s a waste of time
65 bucks a gallon I changed mine what it cost me here in Kentucky
My local Allison repair facility would charge similar amount, but I found it on the web for under $45/gallon. MadJack Diesel is one source, but I'm sure there are others. Forget Ebay/Amazon- much higher prices.
Always check online; dealers sell for like 25% markup with a smile on their face
For a 1st transmission service on my 2016 with 60,000 miles do I just follow what you did here in the video. PTOS ARE FINE. But for the pan, just drain pull.old filter out and replace then put together and refill per your video.
Do you have a link for the gasket set up you used and the fluid??
Absolutely no reason to change the internal suction filter unless you are overhauling the transmission. There is also no reason to change the PTO gaskets unless you have a leak.
@@scottabderhalden8577 no reason to change a filter?????????????? what are you smoking i want some
@@Giovanni_Litterini Yessir, that is correct. The internal suction filter (in the transmission sump), does not need to be replaced unless you’re overhauling the transmission. It’s a “rock catcher,” if you will. The filter actually filtering fluid is the external spin-on filter which has a defined maintenance schedule and is is absolutely necessary for proper transmission durability.
Thanks for the video. What was the total amount of fluid you ended up puting back in. Also where did you get your TranSynd from?
about 10.4 quarts. went back in. MA sells it. Great stuff.
@@DrivewayDemons Awesome. Thank you. I plan to do this soon.
Shop around for the fluid, local semi truck dealers have it on the shelf. I was at a local Freightliner dealer today ordering a deep pan for my Allison ($61, compared to the cheapest price of $100 I could find online) and they had Transynd for $47/gal. I like the Mobil Delvac 1, it's about $10 less per gallon than Transynd and is just as good.
Thanks dude
Great video dude sub’d!
I've been using Dex3 in my 03 Duramax, should I transition to Transynd or not? It used to tow/haul alot in its day, nowadays its a cruise to work n home truck.
Dex 3 or transynd is fine for an 03. Alot ofpeople just prefer transynd because its what allison recommends.
+1 on the Transynd - Allison stands behind it and warrants against any damage due to lubricity issues. I did the entire system flush and filter changes on a former LB7 ('01) of mine and it ran for over 437K miles before we parted ways.
What about all the oil in torque converter?
During the second transmission fluid change most of the old oil is gone. 75% on first one, about 90%+ on second one.
The fluid you don't change is still good, if you are changing as a routine. If the fluid in the trans is bad, it's too late for changing fluid.
So why did you remove the pto covers? Is that only to change the gaskets? It doesn't seem necessary for new fluid and filter only.
Dude did state it was leaking a bit. Otherwise, I wouldn't bother.
What pto cover part number?
I put 3 gallons and 1 qt. Into a 2017 gmc sierra 3500hd. I installed the PPE deep transmission pan. Checked and looked right . Does that sound about right.?
That should be about right as the "deep" pan is really only about 1/2" taller than the OEM (shallow) pan. It contains a larger volume though....
Thanks for responding. I got it took care of. Was little worried about the drop filter inside pan. It wasn't as tight as the oem one. ? Was yours little loose also
@@ant03609 the seal is pretty dang sturdy at the connecting point which is what matters the most
@Striker 50 yeah appreciate response.. No leaks as of today. Lol.
you need to torque the filter tighter
Hand tighten only.
Ralfie 3 ugga dugga’s to be exact “damn this filter is tight” 😂😂
@@ralfie8801 You missed the sarcasm lol
@@Striker50_
That’s not hard to do when you deal with filters that have been tightened with a filter wrench every day. Some of them are tough to get loose using a steel band wrench and a long handled 1/2” drive ratchet.
This video is phenomenal, thanks mate!
Driveway demons I have a question what is the color of this fluid is red or a golden color
Reddish
What is the drain plug torque spec?
26 flbs
Never a mention of model years.
I dont see the purpose of changing the pto covers since there’s no filter or anything else
Do you need to change the gaskets every time
I would to be safe
Cory why would you not recommend: Mobil 1 Synthetic ATF. Mobil 1 Synthetic ATF meets the requirements of several different manufacturers, including GM's Dexron III.
That is the top atf fluid.
I find that your service is spot on, I will say no matter what the service & filter change normally makes it feel like a brand new box.
Allison makes the transmission not gm. The GM dealers use dexron VI for the allison. The TES recommendation by allison is the transysnd is the best for the trans. Mobile delvac ATF1 is the same fluid with a different label. If the allison logo/name isnt on the bottle Its NOT supported by Allison.
Thank you I have come across this before I had a friend who owned a parts shop and he showed me Lucas oil supplied all from the same depot just different labels the same with Lucas brake pads exactly the same pads same boxes same instructions different labels and labels on the pad. the amount of companies that sell the same stuff cheaper under a non brand label.Even Monroe gas shocks sold as Boge gas shocks.
Mobil Delvac automatic transmission fluid is TES-295 certified and same as transynd....not exact formulation, but standard. This is what I use in my truck, but dexron vi isn't a bad fluid either to use.. The regular Mobil 1 tranny fluid is no good for Allison's....
Spahi77 Mobile Delvac 1 ATF is indeed TES295 certified. It says right on the container. Also has the Allison Approved symbol. It is the same fluid as Transynd.
I use Amsoil ATF and I've never had any issues.
I’ve got 370k on mine and the fluid and filter have never been changed..... I think you’re going a little overboard with the recommendations
Yeah I’m at 438,000 on my LMM and I think it’s been done twice.
what does 100k miles look like ?
what does 165k miles look like ?
What did you use to clean the tranny pan?
What’s the purpose of removing the PTO cover?
His were leaking, he wanted to change the gaskets and stop the leaks.
9 hour fluid change. He even went 3rd-6th…Which is 1st again 😂