GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Captiva Sport 🢒 Engine 🢒 Engine Controls and Fuel - 2.8L, 3.0L, 3.2L, or 3.6L 🢒 Fuel Injector Replacement

Special Tools

    • EN-47909 Injector Bore and Sleeve Cleaning Kit
    • EN-48266 Injector Seal Installer and Sizer
    • J 2619-01 Slide Hammer
    • J-37281-A Injector Remover
    • J 39313 Spark Plug Port Adapter

Removal Procedure
  1. Relieve the high side fuel system pressure. Refer to Fuel Pressure Relief.
  2. Remove the drive motor generator power inverter module. Refer to Drive Motor Generator Power Inverter Module Removal and Installation

    3. Note: The fuel injectors have an alignment feature, note the position of the injectors alignment for installation.

  3. Remove the fuel injection fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement - Bank 1 or Fuel Injection Fuel Rail Assembly Replacement - Bank 2.

    4. Object Number: 2004445 Size: SH
  4. Remove and discard the three fuel injector retaining rings (1).

    5. Object Number: 2004498 Size: SH
  5. Remove the direct fuel injectors and harness (1) as an assembly, and disconnect the electrical connector (2). If necessary, use the J 2619-01 with the J-37281-A in order to remove the direct fuel injectors evenly.

    6. Object Number: 1977756 Size: SH
  6. Remove and discard the following components from the fuel injectors (4).
    7. • Upper O-ring Seal (1)
    • Plastic Spacer (2)
    • Retaining Ring (3)
    • Isolator Cup (5)
    • Teflon Seal (6)
  7. Inspect the fuel rail injector bores and clean with J 39313 , and EN-47909 , if required.

Installation Procedure

    Object Number: 1977756 Size: SH

    Note: Lubricate a NEW O-ring seal (1) with silicon free engine oil GM P/N 12345610 (Canadian P/N 993193) or equivalent.

  1. Install the following NEW components to the fuel injectors. Use steps 2 through 8 to install these components.
    2. • Upper O-ring Seal (1)
    • Plastic Spacer (2)
    • Retaining Ring (3)
    • Isolator Cup (5)
    • Teflon Seal (6)

    Object Number: 1829992 Size: SH
  2. From the EN-48266 , position the EN 48266-1 to the injector tip.

    3. Object Number: 1829994 Size: SH

    Note: DO NOT lubricate the NEW teflon seal.

  3. Install a NEW teflon seal onto the EN 48266-1.

    4. Object Number: 1829993 Size: SH
  4. Pull the NEW teflon seal by hand over the EN 48266-1 and into the groove in the injector.
  5. Remove the EN 48266-1 from the injector tip.

    6. Object Number: 1829997 Size: SH
  6. From the EN-48266 , install the EN 48266-2 to the injector tip.

    7. Object Number: 1829998 Size: SH
  7. Using the EN 48266-2, resize the teflon seal. Install the EN 48266-2, until it bottoms out against the injector body, and rotate the EN 48266-2 while applying only moderate force 180 degrees in one direction and then 180 degrees back in the other direction.
  8. Remove the EN 48266-2.

    9. Object Number: 2004498 Size: SH

    Caution: Note the correct routing of the electrical wiring. Failure to reinstall the wiring properly could result in damage to the wiring.

  9. Install the direct fuel injectors and harness (1) as an assembly and connect the electrical connector (2).

    10. Note: The fuel injectors have an alignment feature and must be reinstalled as noted during removal.

  10. Install the fuel injection fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement - Bank 1 or Fuel Injection Fuel Rail Assembly Replacement - Bank 2.
  11. Install the drive motor generator power inverter module. Refer to Drive Motor Generator Power Inverter Module Removal and Installation