Fuel Pressure Gage Installation and Removal

FUEL PRESSURE GAGE INSTALLATION AND REMOVAL

TOOLS REQUIRED
- J 34730-1A Fuel Pressure Gage
- J 42242 Fuel Pressure Gage Adapter

INSTALLATION PROCEDURE

CAUTION: Refer to Gasoline/Gasoline Vapors Caution.

NOTE: Clean all of the following areas before performing any disconnections in order to avoid possible contamination in the system:
- The fuel pipe connections
- The hose connections
- The areas surrounding the connections




1. Remove the engine sight shield.
2. Remove the cap from the fuel pressure test port valve.




3. Connect the J 42242 (1) to the fuel pressure test port valve. Wrap a shop towel around the fitting while connecting the adapter in order to avoid spillage.

CAUTION: Refer to Fuel Gage Leak Caution.

4. Connect the J 34730-1A (2) to the J 42242 (1). Wrap a shop towel around the fittings while connecting the gage to the adapter in order to avoid spillage.
5. Turn ON the ignition, with the engine OFF.
6. Place the bleed hose of the fuel pressure gage into an approved gasoline container.

CAUTION: Refer to Fuel Storage Caution.

7. Open the bleed valve on the fuel pressure gage in order to bleed the air from the fuel pressure gage.
8. Command the fuel pump ON with a scan tool.
9. Close the bleed valve on the fuel pressure gage.
10. Command the fuel pump ON with a scan tool.
11. Inspect for fuel leaks.

REMOVAL PROCEDURE




1. Drain any fuel remaining in the gage into an approved container.
2. Place a shop towel under the J 34730-1A (2) and the J 42242 (1) to catch any remaining fuel spillage.
3. Remove the J 34730-1A (2) and the J 42242 (1).
4. Inspect for leaks using the following procedure:
1. Turn ON the ignition, with the engine OFF for 2 seconds.
2. Turn OFF the ignition, for 10 seconds.
3. Turn ON the ignition, with the engine OFF.
4. Inspect for fuel leaks.
5. Install the cap to the fuel pressure test port valve.
6. Install the engine sight shield.