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Discussion Starter · #1 ·
I have a 08 Chevy tbss changed the thermostat n water pump still temps are high sum body help
 

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'07 TbSS 3ss
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259 Posts
A few things come to mind to check.
Did you get all the air out of the system?
Can air flow freely through your radiator, not clogged with debris?
Did you put the shroud back on?
Lastly did you replace the fan clutch?
Good luck
 

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2008 TrailblazerSS
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I’m gonna start with air in the system


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