Focus Fanatics - View Single Post - Thougts on NAPA water pump and Thermostat housing?
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Old 11-14-2012, 01:26 AM   #5
emsvitil
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Join Date: Sep 2007
Fan#: 50210
Location: SoCal, CA
What I Drive: 2000 SE Wagon

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I just cleaned the housing, the mating surface on the head, and put in a new gasket...

PLUS

I smeared Ultra-Black RTV into the housing groove, installed the gasket/o-ring, then smeared Ultra-Black over the gasket/o-ring and housing mating area...........

On the thermostat side I smeared some Ultra-Black RTV around the o-ring.

Let dry before adding water.

It's not leaking, and hopefully never will.........
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