How to Change Out Your Impeller on Your Boat
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- Опубликовано: 7 авг 2024
- I walk you through the whole process to changing out your impeller. This boat that I am using is a 1999 Ski Nautique with the Ford Pleasurecraft (PCM) 5.8-liter engine. Many models and engines may have a similar set up like this engine.
If you enjoy the content and want to help me with my projects, you would make a huge difference by making a small donation. Thank you: PayPal.Me/justiwhite
Here is the IMPELLER I used:
amzn.to/2pQD4pC
Here is the fake-a-lake:
amzn.to/3faKa1h
Check your manual to make sure this impeller would fit yours.
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Hello Everyone, my name is Justin White. Ever since I was young I was always fascinated with how things work. Wherever I am going, I constantly look at how and why something is working the way it is. With my RUclips channel, I am able to give accurate and credible videos to the viewers. Cluengineer or "Clue in engineer" is a guide to a solution. Many of my videos are how to, fix it, and explanation. Come join the community and subscribe, like, and share. 
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My 1999 Ski Nautique impeller failed tonight trying to make that last ski of the season. Thank you for this video to make it easy to get back on the lake! Also enjoyed all your other videos. Very much appreciate them!
Thanks so much Justin ~~ you are a very talented young man. It’s great to see that we still have mechanical minded people who are passionate about sharing their knowledge. I’ve been a ski boat/wakeboard boat owner for 25 years and I know, as well as you, that you HAVE to have some mechanical skill as an owner or else you get your pocketbook cleaned out regularly! Hence the acronym for B.O.A.T....those that know, know!
Appreciate you greatly!! Keep up the great work!
Thank you Jeff. I appreciate all of the positive feedback!! See you on the water
Dude you are legit the best. I have '99 Ski Nautique open bow with GT-40 engine. Did the oil change, fuel filter, and impeller this morning - so easy thanks to you! The engine placement must be different between the open and closed bow versions. The front of my engine was more prominent and exposed as compared to yours. The screws to get the impeller out were easy to access on my engine.
Thank you Chris!
Thank you I have a 18 ft 1987 Marlin I finally launched from Long Beach 20 minutes into my cruise my boat overheated I was terrified I just got it to the shop yes day they just called me and said it's my impeller. I'm so glad it was in my engine going out your video is good thank you.
I just subscribed. I'm planning to buy a boat for the first time and I'm a novice as a handyman/mechanic, so I rely on RUclips to save as much $$$ as possible. You are the first video I saw on what things we boat owners need to do and I'm excited to see more videos. Thank you for sharing your talents and helping boat owners learn from you. I am much older than you and you inspire me to be more handy with some boat stuff and I applaud you for that. Have a great year Justin.
R.P. Benson thank you so much for the wonderful comment! I love working on my own stuff because you know it got done right and you save lots of money. I have a bunch of other boat videos so take a look and let me know if you have any questions along the way
Hard to believe there are thirty nine dillholes in the world that would give this thumbs down...great video, good to see a young man with some very good mechanical skills and teaching abilities.
Agreed. haha. Thanks 👍
Thanks for taking the time to make this video. I wish I had as much space as you do :) Thanks!
when you put the impeller in the housing turn it in the same manner that the old impeller was so the vanes are going in correct direction helps with initial start up and I swipe the inside housing with silicone paste lightly same reason as above
Good video! I removed the pump totally and realized I had it flipped when I reinstalled hahaha. I found some dish soap makes the new impeller go in the housing easier too. Thanks for posting, like your videos and style.
At least you got it back in there!!
Yes there’s only one way it goes back in the flat head primer screw bolt points towards the engine. Found out the hard way it almost over heated.
you sure made the job look easy. my VP ford 5.0 has the raw water pump located at the bottom of the engine in my four winns boat. i hadn't thoutht i could change the impeller w/o removing the pump. i'll try next time...
just what i needed to answer some questions that the manual dows not address.....
Useful as always! Thanks
Just changed mine yesterday (‘99 Air Nautique). Two tips I would recommend. 1) remove the hoses. This will make the reinstall so much easier! Otherwise keeping screws, key, o-ring and gasket in place while lining up the two sides of the housing in a restricted area is quite challenging! 2) bind the fins of the impeller with a zip tie when inserting the new impeller. Clip the zip tie once partially inserted then fully insert. This will allow you to position the fins in the same direction and help position the impeller better centered.
Great tips!
Well done!
So nice to see a young man who appreciates 'being a man' and taking care of his stuff. Far better use of your time than spending days on video games.
Unfortunately, my boat is a1974 Century Resorter with a Chrysler 318, and I have to remove the front seat - not an easy task - to get to the water pump/impeller.
Nice video - your parents should be proud.
They are very proud :)
Thank you for your very nice comment. I totally agree with the video games. My friends attention spans are very short because of it
Nice Videos that helped a lot for my 98´ Nautique, keep going!
Thank you! I am glad my videos are helping you out on your Nautique. Happy new year
@@92813justin They are helping a lot... it´s my first PCM Engine. Happy new Years to you too and best Regards from Germany
JGC Summit, Awesome! I’ve got a lot of other how to’s with this engine as well. Feel free to check it out.
great video -simple
Thank you!
Don't grease screws - bad idea. Don't put a a 2nd gasket between the brass plate and the pump body - that's what the o-ring is for ! And absolutely use soap on the impeller for eas of installation and so the impeller doesn't run dry when you first start it up. And isn't it easier just to remove the entire pump assembly (disconnect at the hoses) so you can actually inspect the pump for problems and get to the screws?
It’s pretty difficult to take those hoses off and take the hole impeller. I use just a little marine grease because I’ve had to cut screws off of this boat because they have welded together because they were all rusty. Any other ideas on that? Good idea with the o-ring.
Anti seize would work better for the screws. Same stuff used on spark plugs.
Seller Seller Exactly. I’ve been doing this since the 70’s, and it’s a lot easier, and better, to remove the pump and pulley in one piece. There are all of 2 hoses that have to be removed, and that’s a piece of cake.
Is there a trick to getting the 1 3/4 “ hoses on the pipes ? I’m having a hard time getting em over the ridge on pipes completely.
Hey can you post a video of how to take out the driver seat and take the driver panel off I am trying to put a aftermarket radio in
Must be nice to have your raw water pump so easily accessible. I have a 350 Mag MPI in the hull of a 25 foot cabin cruiser and you cannot even see the raw water pump.
Informative video. couple minor comments. It may have been easier on you to loosen the supply and return water hoses and take the entire pump out. Also the bolts are standard sizes, not metric....But, the video was helpful to me, thanks for posting it.
Joseph, I agree with you on the comments. I tried taking out the entire pump but the hoses were very tight and cracked. I just did not want to risk a leak if the hose were to break.
Nice job but I would recommend removing the pump completely. If you have a problem getting water hoses loose use a hose removal tool. (Large Hook Scribe like tool). Then you can inspect housing for any problems and use liquid soap on impeller installation so you do not have a dry rotation on first start which can actually damage your impeller. Thanks for the video
bill smathers very cool, I’ll have to look into a tool like that because those houses are welded on there. That’s why it’s easier to just do it with it on the engine.
Great tutorial, thank you! And boy, I'm jealous of your D-drive access. Much less fun on my V-drive ;-)
It is very nice for sure
I know this video is over a year old but just a couple suggestions for those who are going to replace an impeller in this type of pump. Pay attention to the gasket placement and the brass plate when you take yours apart. The kits are universal and come with several different gaskets that you won't need. Use white grease on the impeller prior to installation (this helps going in and it helps to get the pump to prime on that first start. And, always spin the impeller in the direction of rotation when installing it in the housing, if the tips of the impellers are facing the wrong way on first start I've seen brand new impellers destroyed and the first sign that something is wrong usually leaves you out on the lake with an overheating engine. Just my 2 cents worth and oh yea, put an extra one in your boats glove box.
I have a back up one! That is some great advice! Thank you
Your day old add on is right on time. I just had an issue. See my comment. Thanks again
Keep an old one as a spare. It will get you through the day.
Is the impeller separate from the engine water pump for an 07 Mercruiser 350?
Great video thank you. Im like some others here can you do a video on a complete service and how often you should do it?
I’ll film a video related to maintenance and service intervals.
@@92813justin Thank you very much. That would be a big help.
You should do a video how to change the thermostat!!!
You’re doing it the hard way dude. Loosen the hose clamps and pull off the hoses. Now the entire pump and pulley is free. Now it’s easy to take out the 3 bolts, and it’s easier to replace the o-ring and everything. Put it back together, and all you have is the 2 bolts that attach it to the boat, and the 2 hoses.
I agree with you, but this is a 20 year old boat. Those hoses do not come off without huge amount of force and twisting. Sometimes I have to even cut the hose a little to give it a relief.
I just bought a 1990 Sanger ski boat. How do I know what impeller to order? 5.7 Mercruiser engine. Appreciate if anyone can help me out.
Good video, I'm pretty handy and can follow it.
Question: I have twin merc 190hp. Will I have change for both? I recently had an incident where recently my engine started to overheat on the passenger engine side ( not sure the exact term) and started smoke. But I immediately killed the engine, but it was probably like like 1 minute running like that or less, but do you think I have to change both or do I really only have to do one. It was only on one engine. Fyi, it's still on the water and appears I can change it on the water.
Hey Josh, I'm not familiar with the twin merc system but if the two cooling systems are not co-mingled you'll probably only have to fix the port side pump. I would guess that the two systems are separate otherwise the starboard engine should have prevented the port side from overheating and I think it's meant to do just what it did. One engine drops off and you've got one good one left to get you back to shore. Redundancy.
@@dciimho2798 right, make sense, I think it may be good practice to just change them both. Especially sense it's not a huge fix. Also on the port side, it doesn't have the power steering pump and wheel. So that part at least handle both engines.
Great vid! Where did you buy your new impeller?
Here is the IMPELLER I used:
amzn.to/2pQD4pC
At time 4:40 a little vaseline on the impeller and turning it in the direction it turns would have worked great and is good for the rubber.
What’s the clear hose for? It’s branching off just above the pump. I’ve got a 94 sport nautique & it doesn’t have a branch in the same spot. Only thing clear in my system is the fresh water strainer & it’s not clear anymore 😂
The clear hose is something I added for my shower. That is the cold water intake. I also have a hot water intake coming from the engine block so I can adjust the temperature.
@@92813justin ahh I thought it might be that. After seeing yours, I want to add a section of clear tube right above the pump. Then I can see that the impeller is pumping water before pushing off the dock.
How do I know if the impeller is in the stern drive or if it’s where yours is located? Sorry new boat owner. I have a 1990 ebbtide 204xy it’s a v8 5.7L Yamaha they apparently don’t make the stern drive anymore and no one wants to work on it. Thanks for any advice
Look around where the pulleys are at.
@cluengineer : I’ve got a very similar boat to yours.. we are trying to locate the in/line gas filter. Any idea? Thanks!
Kyle Gruber, the gas filter is on the bow port side or front left side. The cylinder is about 3-4” in diameter and a foot tall. This is the only in line gas filter we have. Some apparently have an additional smaller in line fuel filters but I’ve never seen that.
CluEngineer The small one is the one I’m talking about... but it seems 2001 Nautique Sport GT40 doesn’t have one. Thanks!
@@kylegruber8150 I do not have one either. See ya on the water!
Filter where your fuel line connects to your carborator kyle
Next time you replace an impeller lubricate it with dish soap.
Great videos !! Where did you purchase your fake lake plunger ?
Thank you! Here is what I have: amzn.to/3faKa1h
Thank you
My impeller broke down and now there are parts in the system. How do I back flush the system?
Mons Anderson, you need to take all of the hoses out to clean the system
Do these boats not have water pumps? What's the difference?
This is essentially a water pump. This pump is not pumping coolant from a radiator like a car does. Instead, it is pumping fresh water from the lake.
@@92813justin Thanks for the reply. But isnt there a water pump under the big pulley thats above the crank pulley? So in actuality there are 2 pumps. The second being the same style thats in an automobile? But yet its not under 12'ish psi like an automotive application with a radiator?
I also believe that newer boats have a radiator/heat exchanger with coolant/antifreeze in them and then the boat sucks up water from the lake that cools this heat exchanger.
Great video, but just an easy tip, put dish soap on the impeller and it will slide right in
Great tip!!!
Not to mention you will get some cool bubbles the first time you hit the lake. :-)
What size motor is that ? I'm thinking my impeller is in the same location as yours . I took apart the drive and didn't find an impeller back there . Mine is a Cobra 302 which I can't find any videos on . But mine sits lower in the boat at the pulley and is in awkward position when I finally decide to get to it . I just bought the boat in July of 2017 and the former owner said that he had it changed out but want to tackle the job myself . Great informational video keep up the good work !
Thank you. This is a 5.8L.
It wouldn't hurt to put some silicone lube in there on the impeller to help with the dry start
What oil do you use for this boat?
I always use straight SAE 40. I’ve had good luck with Pennzoil SAE 40
Is that 10w40
@@andresherrera398 no, here's a link amzn.to/3JU8cxe
Does ur engine manual say u should use specific toque values for bolt tightening?
John o'neal I don't have anything like that. There isn't a lot of documents out there. I had an issue and contacted nautique to asking the for the wire diagram of the boat and they said they didn't have any of that documentation.
Nice presentation....but this is not correct for this particular pump. Only one gasket should be used between the pulley side of the pump and brass plate. Between the brass plate and the impeller side is sealed only by the O'ring. He put a paper gasket between the brass plate and impeller/O'ring? The kit comes with roughly 5 gaskets for different applications but the sole gasket used is the second one shown in the video.
What kind of engine is this for? Will the process work for a bravo 3??
This is a GT-40. I am not sure if it will fit a bravo 3
👀💞🌍💞 ENERGY 💯%
What engine is this? 305k?
5.9L Ford
Thanks!