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Raw Water Pump Leak

scotchipmanscotchipman Posts: 3,967 ★★★Triple Panda Award Recipient ★★★
My raw water pump is leaking from the back on my 2008 Response LXi...pump has about 600 hrs on it...875 hrs on the boat Should I replace the whole pump or just the seal?


- President of the Utah Water Ski Club
- Owner at Still Water Lake Estates
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Comments

  • gregygregy Posts: 2,444 Mega Baller
    edited September 2017
    I replaced the seals and bearings on mine a few years ago. I don't remember it being hard. I've seen some info on the internet on how to do it. Mine's the same pump on 1999, still the original.
  • raynrayn Posts: 361 Baller
    Both me and my ski partner had the same problem on our Response Lx's and went the new pump route. Just seemed foolproof for us.
    Ray Newmark -
  • JJVDMZNJJVDMZN Posts: 127 Baller
    Replace the seals as well as the 2 bearings, the water has gone through the bearings so they're going to seize. Replacing the bearings and seals are much cheaper than the whole pump.
  • spicolispicoli Posts: 120 Baller
    Is there a mechanical seal in there with ceramic surfaces
  • JordanJordan Posts: 1,007 ★★★Triple Panda Award Recipient ★★★
    Here is an instruction set on rebuilding a raw water pump....just make sure to get the correct part numbers for your specific pump....call Skidim.
  • bigskieridahobigskieridaho Posts: 840 Crazy Baller
    Just replace it. Might cost a bit more, but will last longer in the long run.
  • BraceMakerBraceMaker Posts: 2,683 Mega Baller
    I've always rebuilt but you do need a small press. I've also used my late to polish the shaft etc. If you do replace I'd send you shipping for the old one ;)
  • AndreAndre Posts: 985 Crazy Baller
    Bearings and seals from Skidim.Way cheaper!
    Easy job too.
  • scotchipmanscotchipman Posts: 3,967 ★★★Triple Panda Award Recipient ★★★
    Thanks guys. Will think it over. @BraceMaker what kind of small press do I need if I rebuild?
    - President of the Utah Water Ski Club
    - Owner at Still Water Lake Estates
  • AndreAndre Posts: 985 Crazy Baller
    Someone handy could do it with a big vise...Again not a complicated job.
  • BraceMakerBraceMaker Posts: 2,683 Mega Baller
    Its like @Andre said - you can do these sorts of things with a large bench vice, or a small arbor press or hydraulic press or even quill of a drill press (still a press) - its a run what you brung type scenario, however be aware that the reason so many people on waterski forums say "just replace the whole thing" is that just like any project with bearings and seals if you press them in wrong it will leak, if you press the bearing crooked or mar the shaft it will wobble and then again it will leak at which point you will swear, and buy a new pump and think you wasted 60 bucks and the time.
  • oldjeepoldjeep Posts: 3,032 Mega Baller
    The other fun thing that can happen is that the pump bases sometimes corrode to the balancer /pulley and you break it trying to get it off. Nice to have a complete pump handy when that happens.
    Chuck P
    Not a mechanic but I play one at home
  • BraceMakerBraceMaker Posts: 2,683 Mega Baller
    edited September 2017
    nice - i want his used pump so keep up the good work!

  • AndreAndre Posts: 985 Crazy Baller
  • gregygregy Posts: 2,444 Mega Baller
    Seems like I got bearings and seal at the local bearing shop.
  • spicolispicoli Posts: 120 Baller
    That one looks easier the pcm pump is easy to bend pulley when pressing shaft out
  • LarsLars Posts: 116 Baller
    edited September 2017
    double post
  • LarsLars Posts: 116 Baller
    edited September 2017
    double post
  • LarsLars Posts: 116 Baller
    edited September 2017
    double post
  • LarsLars Posts: 116 Baller
    @Andre what are you seeing for price? I'm coming up with just under $100 for parts, vs 192 for the whole thing, which is why I just replaced mine.
  • kingshreddkingshredd Posts: 166 Baller
    That is exactly where mine was leaking this year on my 1992 California Skier with a 351 Indmar. I replaced the whole unit.
  • AndreAndre Posts: 985 Crazy Baller
    @Lars
    I m in Canada so the new pump was more like 350 to my door and a rebuilt is as good as a new IMO.
    Plus i like working on that kind of repair and the difference in price mean more money for gas,gloves,vest,rope or handle.
    I m not rich so i save money when i can...
    5 years since rebuilt not a drop of leaking water...
  • LarsLars Posts: 116 Baller
    @Andre at $350, I would probably figure out how to do the rebuild too.
  • scotchipmanscotchipman Posts: 3,967 ★★★Triple Panda Award Recipient ★★★
    I'm finally getting round to this project. Just found the who pump for $240 at www.bakesonline.com
    - President of the Utah Water Ski Club
    - Owner at Still Water Lake Estates
  • Chef23Chef23 Posts: 5,548 Mega Baller
    I would replace the whole pump. I did it on my 02 LXI. It didn't cost that much and it was pretty easy. It doesn't seem worth it to remove it and have it rebuilt.
    Mark Shaffer
  • oldjeepoldjeep Posts: 3,032 Mega Baller
    Replace with new pump and then if you manage to get the old pump off in one piece replace the seals and bearings on that one so that you have a spare.
    Chuck P
    Not a mechanic but I play one at home
  • Jody_SealJody_Seal Posts: 2,391 Mega Baller
    I get the seals and bearings from DIM.
    http://www.skidim.com/R_W-Pump-Parts_Gaskets/products/1171/
    about an hour total R&I. I usually keep a rebuilt one on the shelf.
    Hobby Boats can be expensive when the hobbyist is limited on their own skill and expertise.


  • scotchipmanscotchipman Posts: 3,967 ★★★Triple Panda Award Recipient ★★★
    Thinking I will go with the new pump and try to fix the old one and use as a backup. Will the 2008 pump work on a 2018 Response? I'm selling my 2008 Response LXi, have a 2018 that just arrived.

    Still a little confused on the seals? On the Indmar "Raw Water Pump Rebuild" pdf posted above @Jordan it says I need a O-ring (part #685006)? Is this seal on skidim (Click HERE) in place of the O-ring?
    - President of the Utah Water Ski Club
    - Owner at Still Water Lake Estates
  • scotchipmanscotchipman Posts: 3,967 ★★★Triple Panda Award Recipient ★★★
    Wow, just found this F6 Johnson Pump for only $159 (click HERE) on Marine Parts Source. Does this look like the right pump @Jody_Seal?
    - President of the Utah Water Ski Club
    - Owner at Still Water Lake Estates
  • thagerthager Posts: 4,223 Mega Baller
    @scotchipman Only use prepared water.
    Stir vigorously then leave!
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