Removal Procedure

Fig 1: Fuel Feed Line

Courtesy of GENERAL MOTORS COMPANY

Relieve the fuel system pressure. Refer to Fuel Pressure Relief (Without CH 48027) , Fuel Pressure Relief (CH 48027) .
Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
Disconnect the fuel feed line quick connect fitting from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .

Fig 2: EVAP Canister Purge Valve Tube

Courtesy of GENERAL MOTORS COMPANY

Disconnect the evaporative emission (EVAP) purge tube from the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service .

Fig 3: TAC, Fuel Injector Harness & Generator Electrical Connectors

Courtesy of GENERAL MOTORS COMPANY

Fig 4: Fuel Injector Harness Electrical Connector Clip

Courtesy of GENERAL MOTORS COMPANY

Remove the fuel injector harness electrical connector clips (4 and 5) from the intake manifold.

Fig 5: View Of Fuel Rail

Courtesy of GENERAL MOTORS COMPANY

NOTE:

Use care when removing the fuel rail assembly in order to prevent damage to the fuel injectors electrical connector terminals and spray tips.

Pull the fuel rail back and upward in order to release the fuel injectors from the cylinder head ports.
Remove the fuel rail.
Remove the fuel injectors, if necessary. Refer to Fuel Injector Replacement .