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1994 Chevrolet K1500 Suburban Silverado 5.7L Actuators
Posted to GM HVAC on 10/3/2002 14 Replies

the a/c work s great, the vents work fine, but when you start the car there is a thumping noise in the dash under the glove box for about 20 seconds then it stops and when you shut the truck off it thumps for about 20 seconds then stops. ive heard this before ...

14 Replies Received (View Replies)

  Related Documents & Media  1994 Chevrolet K1500 Suburban Silverado

 
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet K1500 Suburban Silverado

VIN 1GNFK16K8R
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedActuators
ConditionsThump Noise
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet K1500 Suburban Silverado

VIN 1GNFK16K8R
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedActuators
ConditionsThump Noise