
1977 Buick LeSabre 5.7L HVAC
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...
FIX posted 9/22/2007
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)11 Replies Received(Hide Replies)11 Replies Received
|
Message Closed w/FIX
|
VIN | 4P69J7X121 |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | CARB |
Affected | HVAC |
Conditions | Vacuum |
Message Closed w/FIX
Vehicle Data
1977 Buick LeSabre
VIN | 4P69J7X121 |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | CARB |
Affected | HVAC |
Conditions | Vacuum |