The heater does not blow hot air when idoling but does when the truck is driving down the road.
Dec 11, 2008 at 3:13 AM
Advertisement
JACOBANDNICKOLAS
✓Experienced Mechanic
110,240 POSTS
Hi:
Make sure the coolant level is full in the radiator and the over flow.
Let me know what you find.
Joe
Dec 12, 2008 at 9:01 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.