TrailBlazer 2002-2009
2023- The TrailBlazer, originally introduced as an upscale Blazer, was produced from 2002 to 2008 with a powerful I6 engine and with a monster V8 offered in the Trailblazer SS
Platform: GMT 305, 360, & 370.

Thermostat question

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Old Jul 26, 2017 | 11:26 AM
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CJBlazer's Avatar
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Default Thermostat question

On a 2002 Trailblazer does anyone know or have you ever heard of taking out the thermostat and just running it on the housing? Is this possible?
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Old Aug 29, 2017 | 9:02 AM
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No that will cause it to run too cool and will eventually clog the catalytic converter and then you got big $$$$$$$$$$$$$ to fix .
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Old Aug 29, 2017 | 10:29 AM
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Are you having an over heat problem? Please elaborate!
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Old Aug 29, 2017 | 1:44 PM
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From: kevinkpk
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You need a restriction so the coolent has retention time in the radiator
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