Jeep Wrangler-YJ 1987-1995 Vacuum Diagrams Repair Guide
Access our free Vacuum Diagrams Repair Guide for Jeep Wrangler-YJ 1987-1995 through AutoZone Rewards. These diagrams include:
- Fig. 1: Emission control vacuum schematic-1987-90 with 4.2L engine and automatic transmission
- Fig. 2: Emission control vacuum schematic-1987-90 with 4.2L engine and manual transmission
- Fig. 3: Emission control vacuum schematic-1991 with 2.5L engine
- Fig. 4: Emission control vacuum schematic-1991 with 4.0L engine
- Fig. 5: Emission control vacuum schematic-1992 with 2.5L engine
- Fig. 6: Emission control vacuum schematic-1992 with 4.0L engine

Access our Jeep Wrangler-YJ 1987-1995 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”.