Thermostat change for 2004

By tbyrne
March 1, 2004 in 2000-2014 Silverado HD & Sierra HD

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tbyrne

Posted March 1, 2004

GM has changed the thermostat design for 2004 so the usual thermo with housing replacement won't bolt up. It is now just a thermostat by itself that will drop into place. I'll post part numbers for the new 160 and 180 thermos when I receive them.

Tom

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