Removal Procedure

Place the fuel pressure gage bleed hose into an approved container and open the bleed valve 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 J 34730-1A from the fuel pressure connection. See Special Tools .
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.