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1999 Pontiac Grand Am GT 3.4L Heater Core
Posted to GM Engine on 2/7/2007 20 Replies

Hello Put a new intake gasket in about two weeks ago. The owner says no heat from the heater at idle. I have bled the system a number of times. When you increase the RPM to 1500 you have lots of heat. But when you let it sit and idle you will lose all the heat...

FIX posted 2/17/2007

20 Replies Received (View Replies)

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car Vehicle Data

1999 Pontiac Grand Am GT

VIN 1G2NW12EXX
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedHeater Core
ConditionsNo Heat At Idle