Installation Procedure

WARNING: This page is about a different car, the 2005 GMC Canyon and 2005 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Locating Fuel Injector ID Number

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: When ordering new fuel injectors, be sure to order the correct injector for the application being serviced.

The fuel injector (1) is stamped with a part number identification (2). A 4 digit build date code (3) indicates the month (4), day (5), year (6), and the shift (7) that built the injector.

Fig 2: View Of Fuel Injector, Clip & O-Rings

Courtesy of GENERAL MOTORS CORP.

Lightly lubricate the new fuel injector O-ring seals (2, 4) with GM P/N 9981704.
Install the new fuel injector O-ring seals (2, 4) on the fuel injector (3).
Install a new retainer clip (1) to the fuel injector (3).

Fig 3: View Of Fuel Injector

Courtesy of GENERAL MOTORS CORP.

Push the fuel injector into the fuel rail injector socket with the electrical connector end facing outward. The retainer clip locks onto the flange of the fuel rail injector socket.
Connect the fuel injector harness connector to the fuel injector.
Install the fuel rail assembly. Refer to Fuel Rail Assembly Replacement .