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Old 11-14-2007, 06:02 PM   #1
cakummer
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Thermostat Gasket & Housing

I was just informed by my GM Dealer that I need to replace the Thermostat Gasket and Housing. What does this do and why would it need to be replace. Vehicle is a 2004 GMC Envoy with 87,000km on it, and i just replaced a faulty evap vent valve.

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Old 11-14-2007, 06:42 PM   #2
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Question Re: Thermostat Gasket & Housing

Welcome to AF, possible leaks, cracked, what were the symptoms, what is their explanation for the failure, lots of info missing here.
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Old 11-15-2007, 09:49 PM   #3
cakummer
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Re: Thermostat Gasket & Housing

The only thing they said was of he scan code P0128.
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Old 11-16-2007, 02:35 PM   #4
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Re: Thermostat Gasket & Housing

That indicates too low a coolant temp reading, usually the t"stat, can't say about a cracked housing.
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