GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: This procedure includes all of the following components:

   • The fuel pressure sensor
   • The fuel strainer
   • The fuel pump
   • The fuel pressure regulator
   • The fuel level sensor


    Object Number: 209113  Size: SH

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure .
  3. Drain the fuel tank. Refer to Fuel Tank Draining .
  4. Remove the fuel tank. Refer to Fuel Tank Replacement .
  5. Remove the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
  6. Note the position of the fuel strainer (4) on the fuel pump and the fuel return flex pipe.
  7. Support the fuel sender assembly with one hand and grasp the strainer (4) with the other hand.
  8. Pull the strainer off the pump and the fuel return flex pipe. Discard the strainer after inspection.
  9. Inspect the strainer. Replace a contaminated strainer and clean the fuel tank.
  10. Inspect the fuel pump inlet for dirt and debris. Replace the fuel pump if you find dirt or debris in the fuel pump inlet.
  11. To replace the fuel pump, proceed to step 13.
  12. To replace the fuel pressure regulator, proceed to step 16.
  13. Disconnect the fuel pump electrical connector.
  14. Disconnect the fuel pump flex pipe quick connect fitting.
  15. Remove the fuel pump from the fuel sender assembly.
  16. Disconnect the fuel pressure regulator quick-connect fitting.
  17. Remove the fuel pressure regulator/fuel return flex pipe assembly.
  18. If the fuel sender assembly is being replaced, proceed to step 19.
  19. Remove the fuel level sensor retaining clip (2).
  20. Remove the fuel level sensor (3).
  21. Remove the fuel pressure sensor (1).

Installation Procedure


    Object Number: 209113  Size: SH
  1. Install the fuel pressure sensor (1).
  2. Install the fuel level sensor (3).
  3. Install the fuel level sensor retaining clip (2).
  4. Install the fuel pressure regulator/fuel return flex pipe assembly.
  5. Connect the fuel pressure regulator quick-connect fitting.
  6. Install the fuel pump to the fuel sender assembly.
  7. Connect the fuel pump flex pipe quick connect fitting.
  8. Connect the fuel pump electrical connector.
  9. Important: Always install a new pump strainer when replacing the fuel pump.

  10. Install a new fuel pump strainer (4) in the same position as noted during disassembly. Push the strainer on the bottom of the fuel pump and the bottom of the fuel return pipe until the strainer is fully seated.
  11. Install the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
  12. Install the fuel tank. Refer to Fuel Tank Replacement .
  13. Refill the fuel tank.
  14. Install the fuel filler cap.
  15. Connect the negative battery cable.
  16. Inspect for leaks.
  17. 15.1. Turn the ignition switch ON for 2 seconds.
    15.2. Turn the ignition switch OFF for 10 seconds.
    15.3. Turn the ignition switch ON.
    15.4. Check for fuel leaks.
  18. Perform the Idle Learn Procedure. Refer to Idle Learn .