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Water Outlet Housing leaking

 
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Impala_03
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PostPosted: Tue Dec 30, 2014 9:51 am    Post subject:  Water Outlet Housing leaking Reply with quote

still having a leak at the water housing even though I changed out the thermostat?



why is it still happing ?
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98ss
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2002 Chevrolet Impala
2011 Chevrolet Silverado


PostPosted: Tue Dec 30, 2014 10:22 am    Post subject:   Reply with quote

The rubber gasket that goes around the t-stat. That can only go on one way. Any chance that got flipped. And any chance the old one was reused?

Other thought is maybe the hose is leaking...or the housing itself is cracked. Did you clean housing mating surface and the intake mating surface?
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Impala_03
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PostPosted: Tue Dec 30, 2014 11:01 am    Post subject:   Reply with quote

98ss wrote:
The rubber gasket that goes around the t-stat. That can only go on one way. Any chance that got flipped. And any chance the old one was reused?

Other thought is maybe the hose is leaking...or the housing itself is cracked. Did you clean housing mating surface and the intake mating surface?






number #15


it's not leaking from the hose end but from were it mounts to the engine
t-stat is install correct I did it how it was exactly placed before
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98ss
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2011 Chevrolet Silverado


PostPosted: Tue Dec 30, 2014 11:51 am    Post subject:   Reply with quote

Right, the gasket is tapered, sometimes even if they come installed on the t-stat already...I've seen them flipped. So the top of the rubber o-ring that fits around the t-stat should be larger than the bottom. If that is in there correctly...then there must be some corrosion on the mating surface. Try cleaning that up. If that doesn't work then its the oring that goes around the t-stat
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ZSPOT
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2001 Chevrolet Impala
2004 Ford Mustang
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2007 Chevrolet Silverado


PostPosted: Wed Dec 31, 2014 10:38 am    Post subject:   Reply with quote

I've seen the thermostat housing cracked as well from people over tightening the bolt and stud. Might only be a hair line crack, but it's enough to leak under pressure.

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Impala_03
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2003 Chevrolet Impala


PostPosted: Thu Jan 08, 2015 7:45 pm    Post subject:   Reply with quote

ZSPOT wrote:
I've seen the thermostat housing cracked as well from people over tightening the bolt and stud. Might only be a hair line crack, but it's enough to leak under pressure.



fixed it self for now

have not had any over heating problems
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