Removal Procedure

WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Refer to Gasoline/Gasoline Vapors Caution in Cautions and Notices.

Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
Remove the upper intake manifold. Refer to Intake Manifold Replacement - Upper in Engine Mechanical - 3.6L (LY7).
Remove the fuel pipe retaining clip.
Use compressed air in order to remove debris from the area where the fuel injectors enter the intake manifold.

Fig 1: Identifying Fuel Rail Bolts

Courtesy of GENERAL MOTORS CORP.

Remove the fuel rail bolts.

NOTE:

Remove the fuel rail assembly carefully in order to prevent damage to the injector electrical connector terminals and the injector spray tips. Support the fuel rail after the fuel rail is removed in order to avoid damaging the fuel rail components.
Cap the fittings and plug the holes when servicing the fuel system in order to prevent dirt and other contaminants from entering open pipes and passages.

Remove the fuel rail with the fuel injectors.

Fig 2: Locating Fuel Injector Electrical Connector Lock

Courtesy of GENERAL MOTORS CORP.

Disengage the fuel injector electrical connector lock (1).

Fig 3: View Of Fuel Injector Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Disconnect the fuel injector electrical connector.

Fig 4: Identifying Fuel Injector Retainer Clip

Courtesy of GENERAL MOTORS CORP.

Remove the fuel injector retainer clip.

Fig 5: Locating Fuel Injector

Courtesy of GENERAL MOTORS CORP.

Remove the fuel injector.
Remove and discard the fuel injector seals.