Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 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.

NOTE: 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 Rail

Courtesy of GENERAL MOTORS CORP.

Lightly lubricate the NEW fuel injector O-ring seals (2 and 3) with mineral oil GM P/N 9981704.
Install the NEW fuel injector O-ring seals onto the fuel injector.
Install a new retainer clip (1) to the fuel injector.
Push the fuel injector into the rail 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 electrical connector to the fuel injector.
Install the fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement .