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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Pontiac Technician
Category: Pontiac
Satisfied Customers: 2378
Experience:  GM Grand Master Technician 2007. 14 years experience.
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I have a 2009 Pontiac g6 with 3.6 engine. The car has poor

Customer Question

I have a 2009 Pontiac g6 with 3.6 engine. The car has poor heat out of heater. Car does have automatic climate control. No matter what temp setting is at does not change heater output temp to get heat in car. Both heater hoses are hot, upper radiator hose is hot and lower radiator hose is considerably cooler. I am leaning towards ATC unit but not sure how to test it before condemming.
Submitted: 1 year ago.
Category: Pontiac
Expert:  Roy Belding replied 1 year ago.

good afternoon my name is ***** ***** I will assist

there is a blend door motor that controls the mode door. it is a common failure for this symptom.