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: Fuel Feed Pipe

Courtesy of GENERAL MOTORS CORP.

Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
Clean the fuel rail assembly and the fuel feed pipe.
Disconnect the fuel feed pipe (1) from the fuel rail. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
Remove the spark plug wires from the fuel rail.
Disconnect and reposition the spark plug wires from the ignition control module.

Fig 2: View Of Fuel Injector Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Disconnect the fuel injector electrical connectors.

Fig 3: Fuel Rail Assembly & Fuel Injectors

Courtesy of GENERAL MOTORS CORP.

Remove the fuel rail hold-down nuts (2).
Remove the fuel rail (1) with the fuel injectors (3) with equal force on both sides of the fuel rail.