GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 43178 Fuel Line Disconnect Tool
    • J 44581 Fuel Line Disconnect Tool

Removal Procedure

  1. Remove the engine cover. Refer to Engine Cover Replacement .
  2. Remove the charge air cooler inlet pipe. Refer to Charged Air Cooler Hoses/Pipes Replacement .
  3. Remove the center intake manifold. Refer to Intake Manifold Tube Replacement .
  4. Using the J 43178 and J 44581 disconnect the fuel feed and return pipes.

  5. Object Number: 1734168  Size: SH
  6. Remove the fuel line bracket bolt.

  7. Object Number: 1734158  Size: SH
  8. Disconnect the electrical connectors.
  9. Remove the nut, the 2 bolts, and position the bracket aside.

  10. Object Number: 1732300  Size: SH
  11. Disconnect the fuel rail temperature (FRT) sensor electrical connector.

  12. Object Number: 1734436  Size: SH
  13. Compress the clamp and disconnect the fuel pressure relief valve hose from the fuel pump.

  14. Object Number: 1734441  Size: SH
  15. Compress the clamp (1) and disconnect the fuel feed pipe from the fuel injector pump.
  16. Remove the fuel feed pipe bracket bolt (2).

  17. Object Number: 1731675  Size: SH
  18. Remove the fuel feed block bolt and remove the fuel feed pipe.

Installation Procedure


    Object Number: 1731675  Size: SH
  1. Position the fuel feed pipe and install the fuel feed block bolt.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1734441  Size: SH
  3. Install the fuel feed pipe bracket bolt (2).
  4. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).

  5. Compress the clamp (1) and connect the fuel feed pipe to the fuel injector pump.

  6. Object Number: 1734436  Size: SH
  7. Compress the clamp and connect the fuel pressure relief valve hose to the fuel feed pipe.

  8. Object Number: 1732300  Size: SH
  9. Connect the FRT sensor electrical connector.

  10. Object Number: 1734158  Size: SH
  11. Position the bracket and install the nut and 2 bolts.
  12. Connect the electrical connectors.


    Object Number: 1734168  Size: SH
  13. Install the fuel line bracket bolt.
  14. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).

  15. Connect the fuel feed and return pipes.
  16. Install the center intake manifold. Refer to Intake Manifold Tube Replacement .
  17. Install the charge air cooler inlet pipe. Refer to Charged Air Cooler Hoses/Pipes Replacement .
  18. Prime the fuel system. Refer to Fuel System Priming .
  19. Start the engine.
  20. If the engine does not start, repeat the above step.

  21. Inspect the fuel system for fuel leaks.
  22. Install the engine cover. Refer to Engine Cover Replacement .