GM Cadillac 1967-1989 Vacuum Diagrams Repair Guide
Access our free Vacuum Diagrams Repair Guide for GM Cadillac 1967-1989 through AutoZone Rewards. These diagrams include:
- Fig. 1: Vacuum circuits – 1976 models
- Fig. 2: Vacuum circuits – 1979 Fleetwood with 7.0L engine Fed. (Carb.)
- Fig. 3: Vacuum circuits – 1979 Fleetwood with 7.0L engine Alt. (Carb.)
- Fig. 4: Vacuum circuits – 1979 Fleetwood with 7.0L engine Calif. (Carb.)
- Fig. 5: Vacuum circuits – 1979 DeVille with 7.0L engine (Carb.)
- Fig. 6: Vacuum circuits – 1979 Fleetwood with 7.0L engine (EFI)

Access our GM Cadillac 1967-1989 Vacuum Diagrams Repair Guide by creating an account or signing into your AutoZone Rewards account. Once you sign in, follow these instructions to access our Repair Guides.
- Add your vehicle in Manage My Vehicles.
- Enter your vehicle details.
- Click the “View More” button, and then click “Vehicle Repair Guides.”
- Select the chapter “Vacuum Diagrams Repair Guide”.