Removal Procedure

NOTE: Cap the fittings and plug the holes when servicing the fuel system in order to prevent dirt and other contaminants from entering the open pipes and passages.

IMPORTANT: Always maintain cleanliness when servicing fuel system components.

Fig 1: Disconnecting/Reconnecting Fuel Feed & Fuel Return Pipes (L36)

Courtesy of GENERAL MOTORS CORP.

Relieve the fuel pressure from the fuel system. Refer to Fuel Pressure Relief Procedure .
Clean the fuel rail assembly and connections.
Disconnect the fuel feed, (1) and return pipes (2) from the fuel rail tubes. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .

Fig 2: View Of Vacuum Line At Pressure Regulator

Courtesy of GENERAL MOTORS CORP.

Disconnect the vacuum line from the fuel pressure regulator.
Remove the ignition coil wires.

Fig 3: View Of Fuel Injector Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Depress the lock tab and disconnect the electrical connectors from the fuel injectors.

Fig 4: Identifying Fuel Rail (Exploded View)

Courtesy of GENERAL MOTORS CORP.

Remove the fuel rail hold-down bolts.
Carefully raise the injectors using the J 43013 .
Remove the fuel rail with equal force on both sides of the fuel rail.