Leaky water pump?

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mlacomb
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Leaky water pump?

Post by mlacomb » Sun Feb 12, 2017 3:57 pm

Had a system flush done a few years ago; the heat in the car on very cold days would not stay warm at idle.

Now - I'm seeing wetness near the back of the water pump (engine side) but only towards the head; nothing on what I would consider the "front" of the water pump where the hoses connect. Has anyone else seen this?

Just want to make sure I'm looking at a water pump leak before I buy parts. Thanks!
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jas88
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Re: Leaky water pump?

Post by jas88 » Mon Feb 13, 2017 6:34 am

This probably means the seal where the pump shaft goes inside the pump is leaking.
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RVAFreestyle
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Re: Leaky water pump?

Post by RVAFreestyle » Mon Feb 13, 2017 6:46 pm

Hard to tell by your pics the color of your fluid leaking.

If your convinced its coolant, the yes its the pump. And they are pretty pricey for a w. Pump.

Good news is they are easy as pie to replace. Mine went bad with no warning, no noise, at 130k. I believe it was the pump seal only but decided to replace the pump despite it being quiet.... holy smokes was it shot. Had tuns of play in the shaft.

Most new or reman pumps have an improved design that does away with the center impeller to camshaft bolt.

Make sure you get the front pump case half seal and rear housing to head seal with your kit or order them.
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mlacomb
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Re: Leaky water pump?

Post by mlacomb » Mon Feb 13, 2017 7:04 pm

I haven't gotten under the car yet - good news is that it doesn't appear to leak on the ground. I do see however on the beam that goes across behind the rad a wet spot from it dripping from this point. I'm fairly certain it's been leaking for some time, but not to a large extent. The other various junk built up is dirt and grime, but I'll definitely degrease it and make sure I'm not losing oil from the valve cover gasket as well.

RVAFreestyle
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Re: Leaky water pump?

Post by RVAFreestyle » Wed Feb 15, 2017 7:14 pm

I supect its water pump failure just leaking atop oil leaks judging soley by the path you say you see the trail
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gsally
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Re: Leaky water pump?

Post by gsally » Wed Feb 15, 2017 9:49 pm

> but I'll definitely degrease it and make sure I'm not losing oil from the valve cover gasket as well.

The water pump is driven by the cam, that seal might be leaking, when things are apart, see if there's oil on the head/block behind the water pump. Consider replacing it when you swap out the water pump, it's just a few bucks.

mlacomb
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Re: Leaky water pump?

Post by mlacomb » Sun Mar 05, 2017 5:44 pm

Yeah; I looked around before buying parts @ amazon and got a cam seal + retainer seal; just bought a thermostat housing outlet seal (parts stuck to the old housing) and some rtv to seal up the oil leak tight.

That retainer was fun to get off - and it was my own stupidity; I thought I had fully removed the valve cover bolts (2) in that area but I hadn't and it wasn't budging... it's off, ready for cleanup and seals after I get more parts and once it gets a touch warm again.

Behind the water pump, milky. Once I pulled the retainer assembly, OIL everywhere... huh. So that's why I smelled oil when I pulled the pump/retainer...

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mlacomb
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Re: Leaky water pump?

Post by mlacomb » Sun Mar 05, 2017 5:46 pm

Oh yeah; to add - the new water pump looks slightly different. Airtex; it has all open vanes - none of the closed off ones like the original; and no mount bolt - just grooves to fit into the cam shaft openings. I know it's not a big deal, but I have to wonder if the bolted water pump design actually kept me from hearing the bearings going crazy for a while.

mlacomb
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Re: Leaky water pump?

Post by mlacomb » Mon Mar 06, 2017 6:42 am

Question for those who have replaced the cam seal etc. Did you pop the valve cover off to ensure the fit, or did you just put the retainer back in with the valve cover still on? At this point I don't really care either way, but just looking for opinions.

mlacomb
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Re: Leaky water pump?

Post by mlacomb » Wed Mar 08, 2017 7:15 am

Bought the valve cover gaskets. I'm in this deep, may as well tear off the cover.

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Re: Leaky water pump?

Post by pmassey31545 » Wed Mar 08, 2017 7:48 am

mlacomb wrote:Bought the valve cover gaskets. I'm in this deep, may as well tear off the cover.
Makes sense. That's how I operate. Dangit!!! I've come this far. Might as well pay a few dollars more and finish it right.
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