Removal Procedure

Place the fuel pressure gage bleed hose into an approved container and open the bleed valve in order to bleed OFF fuel system pressure.
Place a shop towel under the J 34730-1A to catch any remaining fuel spillage. See Special Tools .

Fig 1: Identifying Fuel Pressure Gauge J 34730-1A

Courtesy of GENERAL MOTORS CORP.

Remove the Fuel Pressure Gage from the fuel pressure connection.
Drain any fuel remaining in the fuel pressure gage into an approved container.
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.
Install the cap on the fuel pressure connection.
Install the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.