08-16-2009, 08:14 PM #1
- Join Date
- Aug 2009
Need Help on STX 12 F Impeller Noise
New owner here. Have 2003 12F getting loud noise from impeller area, buzzing in body also. Just started last couple trips, loud enough now to cause headache. Has +/- 170 hrs. How big of a job is it to replace all bearings / seals in pump /impeller? I have very good mechanical skills and access to many tools. Any comments, suggestions, advice, photos ect. would be appriciated. Thanks ED
08-17-2009, 11:19 AM #2
Take the pump off and see if the impeller is scraping the side of the stainless housing. If not I believe you can rebuild it pretty easily. Taking the impeller off is the hardest thing in my book. You will need the impeller tool, a vise (with the holder makes it easier) and you should use a bearing press. Get a book which there are a lot of them on ebay and go to work. If the impeller is dragging then you need to have it re-sleeved which when mine went bad I sent it away and they re-sleeved it and rebuilt it the same time.
08-17-2009, 11:20 AM #3
Make sure it is not coming from your water box. I had an issue where the baffle came loose and i thought it was the thru hull bearing well a lot of work later it was just the water box.
04-04-2010, 07:27 AM #4
- Join Date
- Apr 2006
- St. Petersburg, FL
I'm suspecting the same things with mine (water box) BUT, I removed the waterbox, thinking that if I shake it around, I'd hear whatever it is rattling around, but I don't. And now the ski is too noisy to tell if it's still doing it
04-04-2010, 04:44 PM #5
Remove the reverse bucket, Remove steering cable and cooling hoses. You should also have 2 allen bolts to remove on the bottom thru the ride plate. Once you take the pump bolts out you can use a 2-3' 2X4 and just wedge it in there like a lever on 3 sides and it should come loose.
Let us know what you find. Pix!
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