Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
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This usually means the thermostat has failed. When thermostat has failed the computer goes into fail safe mode, forces ac off, and temp gauge stops working. You should start by having diagnostic codes checked, if you are getting code P0128 then thermostat needs to be replaced. Make sure to use OEM AC Delco brand replacement. Let me know if you have questions, thanks.
Yes that is the common problem, did you use a OEM thermostat? Aftermarkets have a lot of problems.
Nevermind, I see you said the thermostat housing was replaced and not the thermostat. Replace the thermostat with OEM thermostat and problem should be taken care of. Let me know if you have questions, thanks.