Heat blow cold in park but blow hot when moving

Asked by Sep 24, 2015 at 07:18 PM about the 2006 Chevrolet Impala LS

Question type: Maintenance & Repair

2 Answers

20,145

check/bleed air out of system...is the coolant full? then check the heater controll valve...

50,235

Sounds about right, probably air in the cooling system...

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