Fuel Pressure Relief Procedure: Procedure
- Disconnect the negative battery terminal to avoid possible fuel discharge if an accidental attempt is made to start the engine.
Courtesy of GENERAL MOTORS CORP.
- Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement
in Engine Mechanical.
- Remove the fuel pressure connection cap.
- Wrap a shop towel around the fuel pressure connection while connecting the J 34730-1A
in order to avoid spillage. See Special Tools . Refer to Fuel Pressure Gage Installation and Removal .
- Install the bleed hose into an approved container and open the valve to bleed the system pressure. The fuel connections are now safe for servicing.
- Drain any fuel remaining in the fuel pressure gauge into an approved container.