GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the engine cover. Refer to Engine Cover Replacement .
  2. Remove the charge air inlet pipe. Refer to Charged Air Cooler Hoses/Pipes Replacement .

  3. Object Number: 1732378  Size: SH
  4. Remove the engine wiring harness bracket bolts (2), position the wiring harness and bracket aside.

  5. Object Number: 1732395  Size: SH
  6. Remove the fuel return hose clips (1).

  7. Object Number: 1732415  Size: SH
  8. Disconnect the fuel return hose from the injectors.

  9. Object Number: 1734290  Size: SH
  10. Disconnect the fuel return hose from the fuel line.

Installation Procedure


    Object Number: 1734290  Size: SH
  1. Connect the fuel return hose to the fuel line.

  2. Object Number: 1732415  Size: SH
  3. Connect the fuel return hose to the injectors.

  4. Object Number: 1732395  Size: SH
  5. Install the fuel return hose clips (1).

  6. Object Number: 1732378  Size: SH
  7. Position the wiring harness and bracket. Install the engine wiring harness bracket bolts (2).
  8. Install the charge air inlet pipe. Refer to Charged Air Cooler Hoses/Pipes Replacement .
  9. Install the engine cover. Refer to Engine Cover Replacement .