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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HMAC300
CAR REPAIR CONTRIBUTOR
48,601 POSTS
see if both heater hoses hot when engine warm. if they are check your actuators in heater. check for a vacuum leak starting at engine. check to see if both vacuum motors are operating the one on lh side is for heat. pic attached.