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International Automotive Technicians Network
1995 Chevrolet G20 Chevy Van 5.7L 9 Port Vacuum Mode Switch
Posted to GM HVAC on 4/30/2009 3 Replies

Some of the ports on the 9 port vacuum control switch are eaten away causing air flow to stay on the floor no matter where the mode lever is set. The ports look almost like they have been sand blasted off. We have replaced this part many times on this vehicle,...

3 Replies Received (View Replies)

  Related Documents & Media  1995 Chevrolet G20 Chevy Van

 
Message Closed w/Summary

car Vehicle Data

1995 Chevrolet G20 Chevy Van

VIN 1GBEG2SK8S
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
Affected9 Port Vacuum Mode Switch
ConditionsVacuum Ports on Switch Eaten Away
Message Closed w/Summary

car Vehicle Data

1995 Chevrolet G20 Chevy Van

VIN 1GBEG2SK8S
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
Affected9 Port Vacuum Mode Switch
ConditionsVacuum Ports on Switch Eaten Away