Hi:
Make sure the engine is running at a normal operating temp. If so, with the engine warm and the heater on, feel both heater core hoses. They should both be hot.
Let me know what you find.
Joe
Dec 30, 2008 at 11:58 AM
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.