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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Pontiac Technician
Category: Pontiac
Satisfied Customers: 2376
Experience:  GM Grand Master Technician 2007. 14 years experience.
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My 2006 Grand Prix GT is overheating and I 't know where to

Customer Question

Customer: My 2006 Grand Prix GT is overheating and I don't know where to start.
JA: Thanks. Can you give me any more details about your issue?
Customer: it has coolant. the heating core is bad but i'm not using the heater. It over heats at an idle but not when Its moving.
JA: OK got it. Last thing — Pontiac Mechanics generally expect a deposit of about $18 to help with your type of question (you only pay if satisfied). Now I'm going to take you to a page to place a secure deposit with JustAnswer. Don't worry, this chat is saved. After that, we will finish helping you.
Submitted: 1 year ago.
Category: Pontiac
Expert:  john aka eaut replied 1 year ago.

are the fans working?

Customer: replied 1 year ago.
yeah they are working. coolant levels seem good too.
Expert:  john aka eaut replied 1 year ago.

what motor 3.4 or 3.8?

Customer: replied 1 year ago.
3.8 liter
Expert:  john aka eaut replied 1 year ago.

is the heater core leaking? have you checked the thermostat

Customer: replied 1 year ago.
The heater core is leaking but I'm not using the heat at all. I have not checked the thermostat
Expert:  john aka eaut replied 1 year ago.

I would start by replacing the thermostat...if the heater core is leaking it really needs to be replaced...start with the thermostat..and have it checked for head and intake leaks