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1998 Pontiac Trans Sport Montana 3.4L VENT
Posted to GM HVAC on 10/14/2003 1 Reply

Thanks for your help on the van. The heater & a/c systems work normally but with the knob in the heat position the volume level drops about 50% from when the knob is in the cold position. This happens in all selector positions (heater/defroster/bilevel). The b...

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  Related Documents & Media  1998 Pontiac Trans Sport Montana

 
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Trans Sport Montana

VIN 1GMDX03E6W
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedVent
ConditionsHot Vent Volume
Message Closed w/FIX

car Vehicle Data

1998 Pontiac Trans Sport Montana

VIN 1GMDX03E6W
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedVent
ConditionsHot Vent Volume