What to do... water pump??
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What to do... water pump??
OK Here is the past, I recently changed my water pump (3 weeks ago)
I just noticed last weekend that when I first start up the motor little puddles of antifreeze accumulate in the little pockets on the top of the pump. To my best investigative work I believe it is seepage from the gasket, not the one I just installed but the one between the aluiminum deal and the pump but the block and that same aluiminum deal the pump bolts to. This does not leak to the point of leaking down the block but only enough to generate two little puddles then it stops. SO I take and retorque all the bolts to the pump on sunday and it did the same thing this morning.
Question, Should I take it apart and replace all the gaskets (I did the ones that come with the pump) down to the block or try some sealer in the coolant?
I just noticed last weekend that when I first start up the motor little puddles of antifreeze accumulate in the little pockets on the top of the pump. To my best investigative work I believe it is seepage from the gasket, not the one I just installed but the one between the aluiminum deal and the pump but the block and that same aluiminum deal the pump bolts to. This does not leak to the point of leaking down the block but only enough to generate two little puddles then it stops. SO I take and retorque all the bolts to the pump on sunday and it did the same thing this morning.
Question, Should I take it apart and replace all the gaskets (I did the ones that come with the pump) down to the block or try some sealer in the coolant?
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You could try some sealer. Just take into consideration that a sealer will also gunk up all the cooling system. Whenever I use a sealer, I give it a few days to work and when I am convinced it did, then I flush the system and get out all the unused sealer that is floating around in the coolant.
Another thing you could do, and I am sure most people here will think it is the most proper course of action, is to take the pump back out and replace the gasket, using silicone gasket maker on the mating surfaces where the real gasket is going to be set. doing this has always proven effective for me.
Another thing you could do, and I am sure most people here will think it is the most proper course of action, is to take the pump back out and replace the gasket, using silicone gasket maker on the mating surfaces where the real gasket is going to be set. doing this has always proven effective for me.
Lead Driver
Joined: Nov 2002
Posts: 9,557
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From: Concord, NC
I would take the water pump back off, take off the timing cover and replace the gaskets. Sealer will just be a pain later on down the road. The reason I say this is that if the coolant is leaking internally, it is going straight into the oil, which isn't good at all. While you have the timing cover off, I would spend 20 bucks and install a new timing set. If you use silicone sealer on the paper gasket, do so very very sparingly. You don't want the part that gets squished out going through the cooling system. All this is assuming a 302 or 351 engine.
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Sorry guys, I have the 460. I was thinking about just taking it back apart and replacing the timing cover gasket but I know sometimes that then requires oil pan gasket, front seal, harmonic balancer and so on and thought that sounds like a pain. By the way so far no water in the oil.
Thanks for the responses.
Thanks for the responses.
Lead Driver
Joined: Nov 2002
Posts: 9,557
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From: Concord, NC
When I replaced my timing set, NAPA had a gasket kit with everything needed for the job. It had the front seal, all the timing cover gaskets, water pump gaskets, some pieces of cork to patch the part of the pan gasket between the pan and the timing cover and a small tube of silicone. If the 460's like the 302/351, the harmonic balancer will have to come off (borrow a puller from autozone, is what I did). The job wasn't as bad as I thought it would be, but I can't say the level of difficulty on a 460. If you do end up replacing the timing cover gaskets, go ahead and replace the timing set while it's accessible.
Senior User
Joined: Dec 2000
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From: Sacramento, CA
Is it possible to have a leak from the timing cover itself? I didn't think it covered any water jacket openings.
Chris ( with repeating leaks somewhere in back of the waterpump (new) and thermostat housing (new).
'89 302 motor
Chris ( with repeating leaks somewhere in back of the waterpump (new) and thermostat housing (new).
'89 302 motor
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Lead Driver
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How would I know??
I just recently had the waterpump fail via shaft wobble and major leak.
I replaced it and during so I did not end up with any extra bolts.
But now I have this little puddle show up but only in the morning then goes away.
I am pretty savy at building motors and have built several but it has been years so I am pretty sure what I did was correct, just timing cover gasket seal was weakend and now it puddles.
Oh yeah also it is not as of now leaking into the oil.
Thanks, but what do you think?
Kevin
I just recently had the waterpump fail via shaft wobble and major leak.
I replaced it and during so I did not end up with any extra bolts.
But now I have this little puddle show up but only in the morning then goes away.
I am pretty savy at building motors and have built several but it has been years so I am pretty sure what I did was correct, just timing cover gasket seal was weakend and now it puddles.
Oh yeah also it is not as of now leaking into the oil.
Thanks, but what do you think?
Kevin
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