The heater does not blow hot air when idoling but does when the truck is driving down the road.
Dec 11, 2008 at 11:13 AM
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JACOBANDNICKOLAS
✓ASE Certified Mechanic
110,194 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 5:01 PM
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