Removal Procedure

NOTE: Refer to Fuel Rail Notice in Cautions and Notices.

NOTE: Refer to Cover and Plug Openings Notice in Cautions and Notices.

IMPORTANT: When servicing the fuel rail assembly, take precautions to prevent dirt and other contaminants from entering the fuel passages. Cap the fittings and plug the holes during servicing.

IMPORTANT: Always maintain cleanliness when servicing fuel system components.

Fig 1: View Of 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 the fuel return pipes (2) from the fuel rail. 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.

Disconnect the fuel injector electrical connectors.

Fig 4: Fuel Rail Exploded View

Courtesy of GENERAL MOTORS CORP.

Remove the fuel rail hold-down bolts.
Remove the fuel rail with equal force on both sides of the fuel rail.