Heat doesn't always work.

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RompinRam

Senior Member
Joined
Oct 24, 2011
Posts
1,501
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102
Location
Hoffman Estates, IL
Ram Year
2003
Engine
4.7 Magnum
The heat in my truck is only working when the truck is accelerating or driving. When I am sitting at an idle it blows out cold air. What could be the cause of this. This is after the engine is completely warmed up and everything.
 

joetama

Senior Member
Joined
Jun 16, 2011
Posts
415
Reaction score
3
Location
Ohio
Ram Year
2021
Engine
Hemi 6.4
I had this happen on an old car when the water pump went out.
 
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