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Old    Brian (TXSurf) (bac)      Join Date: Feb 2008       06-04-2012, 5:33 PM Reply   
Hey yall, lookin for some help on a problem

Workin on a 00 wakesetter thats been sittin for the last 2 years. Small block chevy indmar.

Raw water pump shaft bearing was shot, after some quick researching, saw it was best to just replace the entire unit vs. rebuilding. Removed the bolts from the bracket and base where it sits on top of the pulley and went to knock it off, which is where the problem starts. The housing knocked loose but the shaft stayed on the pulley. The boat is used in brackish water 95% of the time and the base is nicely rusted. Any ideas for getting this off the pulley? Is there something I've missed? Soaked it in solvents but no luck yet. Thanks in advance

Heres a pic, sorry for the bad lighting, boat is in a corner of the shop and kinda dim
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Last edited by bac; 06-04-2012 at 5:36 PM.
Old    Karl De Looff (boarditup)      Join Date: Jan 2004       06-04-2012, 6:53 PM Reply   
PB Blaster over the course of several hours. Then, vibration with a hammer or some other instrument to loosen it up. Last is heat - you can ruin the seals in the block. If you do use heat, plan on replacing the seals. When you re-assemble, polish with sandpaper to remove corrosion and pitting and use brake caliper grease on the shaft to prevent future corrosion.

I spray down my motor once month with PB Blaster to keep it looking good and prevent corrosion.
Old    Brian (TXSurf) (bac)      Join Date: Feb 2008       06-04-2012, 9:30 PM Reply   
Ya, I figured just soak it some more then we'll hook it up to the 20 ton overhoad crane and finesse it loose Really just wanted to make sure that there wasnt something I had overlooked. I refuse to stick a torch in that engine compartment, dont wanna have to pull the motor either. we're just anxious to get her back on the water

Last edited by bac; 06-04-2012 at 9:35 PM.
Old    9Drozd            06-04-2012, 10:29 PM Reply   
I believe there are three to four allen bolts holding it onto the pulley. Have you removed those? Id tap it a couple times all around the shaft with a rubber hammer to see if it breaks loose after those bolts have been removed.

Last edited by 9Drozd; 06-04-2012 at 10:33 PM.
Old    Brian (TXSurf) (bac)      Join Date: Feb 2008       06-05-2012, 5:55 AM Reply   
All the bolts are out. We've used mallets and 2lb hammers trying to knock that thing off
Old    Tom (boardjnky4)      Join Date: Dec 2011       06-05-2012, 6:01 AM Reply   
Is it pretty accessible? You could grind it out with a dremel. Maybe don't go all the way through with it, but grind through it enough to pry/crack it off.
Old    Brian (TXSurf) (bac)      Join Date: Feb 2008       06-05-2012, 5:52 PM Reply   
Its pretty tight down there and I'd rather not stick a dremel that close to the pulley its stuck on. I'm thinking after soaking it in PB, using a small cheater pipe over the shaft and try knocking ti loose. If that doesnt work, we'll slip a strap around it and hook it up to the crane and pull on it ever so slowly, shouldnt take much with that
Old    Baitkiller (baitkiller)      Join Date: Jan 2010       06-06-2012, 5:10 AM Reply   
BTW, a 50/50 mix of acetone and ATF works about 300% better and faster than any penetrating oil you buy in the store. Including PB blaster.

As for the pump? get a bigger hammer.
Old    Brian (TXSurf) (bac)      Join Date: Feb 2008       06-06-2012, 6:15 AM Reply   
Thanks baitkiller for the tip on the acetone & atf.. I'll give that a shot first.
Old    Roger (V)      Join Date: Dec 2011       06-06-2012, 2:23 PM Reply   
If it is like mine, it has to come out evenly. It sits in a grooved area. after the 3 bolts, and bracket, you have to use a hammer and tap it from side to side.

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