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1977 Buick LeSabre 5.7L HVAC
Posted to GM HVAC on 9/18/2007 11 Replies

I have a vacuum leak at the control switch at any position I select. The vacuum doors will not operate either. Vacuum is on the purple line in from reservoir tank. All lines seem to be in the right place but not sure. I've replacd 3 switches, all have the same...

11 Replies Received (View Replies)

  Related Documents & Media  1977 Buick LeSabre

 
Message Closed w/FIX

car Vehicle Data

1977 Buick LeSabre

VIN 4P69J7X121
Engine5.7 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryCARB
AffectedHVAC
ConditionsVacuum
Message Closed w/FIX

car Vehicle Data

1977 Buick LeSabre

VIN 4P69J7X121
Engine5.7 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryCARB
AffectedHVAC
ConditionsVacuum