Thermostats

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ted2105

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Tahoe Forum - Chevy Tahoe Forum[/QUOTE]
have 4 gm trucks, but my daily driver is a 2001 yukon. Clone to your tahoe. Found alot of info here. Had an issue yesterday with heating system. Gained about 25 degrees in operating temp. Would go up to 225 on a load and return to about 210 under no load conditions. Checked coolant,,leval same as last time checked about 3 months ago. Any answers
 

samotahoe

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possible water pump but more than likely thermostat. i would replace both, theyre no too difficult to do
 
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