possibly low on freeon. ** Fairly cheap fix from the local auto parts store.
if it doesn't heat your heater core is most likely clogged and if it doesn't blow at all then the blower is messed up.
Chances are your leaking freon. There may be a leak in one of the seals.
Could be low on coolant.
Clogged cabin filter
Check for vacuum leak either under hood or under dash Check for bad vacuum actuator under dash
When you have the heater on, does it just blow any air at all? or no air?
I had a similar problem with Chevy Lumina when the thermostat went out. It was stuck open so the car never got up to a temp high enough to blow hot air. Kerry
What is the avearage cost to fix a blow headgasket on a 98 lumina
Low on coolant. Bad thermostat. Plugged heater core. Temp blend door inop.
if this system uses dex-cool flush the system
Take it to a repair shop because the clock spring below the airbag in the steering wheel is probably defective.
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