Mechanics

CHEVY NO HEAT WHEN AT IDLE

2009 Chevrolet Malibu

Engine Cooling problem
2009 Chevy Malibu 6 cyl Two Wheel Drive Automatic

My Chevy Malibu has no heat at idle. When accelerating and giving it gas, the heater blows hot. Have read on other forums this could be a headhgasket problem. The rear cylinder seems to be the most common cause for this problem. Have you read the same thing? How do I check to see if that is what is wrong with my? Malibu.
Read at


that there is a certain area that shows a leak. Is that true?
If so, what is the best way to diagnose problem. Is there a TSB warranty so the dealer can fix for FREE.
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GM-Tech
February 7, 2010.



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