Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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RASMATAZ
CAR REPAIR CONTRIBUTOR
75,992 POSTS
Try replacing the thermostat -that don't work check for clogged heater hose and heater core-if its not clogged-up-could be an air mix or blend door not operating due to an actuator or vacuum hose problem.