Installation Procedure

CAUTION: Refer to Gasoline/Gasoline Vapors Caution in Cautions and Notices.

Remove the engine sight shield. Refer to Engine Sight Shield Replacement in Engine Mechanical.

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

Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to Fuel Gage Leak Caution in Cautions and Notices.

NOTE: Refer to Fuel and Evaporative Emission (EVAP) Hose/Pipe Connection Cleaning Notice in Cautions and Notices.

Install the J 34730-1A to the fuel pressure service connection, located on the fuel rail. See Special Tools .
Turn ON the ignition.

CAUTION: Refer to Fuel Storage Caution in Cautions and Notices.

Place the bleed hose of the fuel pressure gage into an approved gasoline container.
Open the bleed valve on the fuel pressure gage in order to bleed the air from the fuel pressure gage.
Command the fuel pump ON with a scan tool.
Close the bleed valve on the fuel pressure gage.
Inspect for fuel leaks.