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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...

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  Related Documents & Media  1999 Pontiac Grand Am GT

 
Message Closed w/FIX

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
Message Closed w/FIX

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