Where is the vacuum plug on a YJ?
(black soft vacuum hose) goes to the plug on your firewall by the battery for the 4wd indicator on the dash. (yellow line) goes straight to the shift motor; one of the lines that goes into a two line plug verticle on the shift motor. (black hard line) goes with one of the yellows to the shift motor. Plug located vertically on top.
How to repair a Jeep Wrangler YJ vacuum schematic?
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.
Where does the vacuum line go on a Jeep engine?
Since the vapor that’s vented contains nasty chemicals in addition to air, the environmentally-polite method is to vent these vapors back into the intake air flow. Jeep engines do this via a large (3/8″ or larger) vacuum fitting at the base of the carburetor.
Where are the nozzles on a YJ front axle?
On top of your transfer case will be four nozzles that control your front disconnect system for your 4wheel drive. The red line coming from your transfer case is the hose for the vacuum source (constant). That will hook up to a hose running behind your air cleaner, if it is still there.
(black soft vacuum hose) goes to the plug on your firewall by the battery for the 4wd indicator on the dash. (yellow line) goes straight to the shift motor; one of the lines that goes into a two line plug verticle on the shift motor. (black hard line) goes with one of the yellows to the shift motor. Plug located vertically on top.
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.
On top of your transfer case will be four nozzles that control your front disconnect system for your 4wheel drive. The red line coming from your transfer case is the hose for the vacuum source (constant). That will hook up to a hose running behind your air cleaner, if it is still there.
Where are the vacuum lines on a 1987 Jeep Wrangler?
I recently bought a 1987 Jeep Wrangler with a 4.2 liter 6. Comming from the transmission, there are four color coded hard plastic vacuum lines. They are coded red, green, yellow and blue. These vacuum lines pass under the battery, on the passenger side, and appear to go to the front axel shift motor.