GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 43827 Fuel Sending Unit Wrench

Removal Procedure


    Object Number: 892346  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Notice: Clean all fuel pipe and hose connections and surrounding areas before disassembling to avoid possible contamination of the fuel system. Spray the fuel pump module cam-lock ring tang with penetrating oil prior to attempting removal.

  3. Disconnect the fuel lines from fuel pump module.
  4. Notice: Refer to Retainer Ring Damage Notice in the Preface section.


    Object Number: 892359  Size: SH
  5. Use the J 43827 and remove the fuel pump module retaining ring. A 1/2 inch breaker bar, approximately 0.5 m (18 in) will easily loosen and remove the lock ring.
  6. Notice: To prevent bending of the sending unit float arm during removal, lift the pump module up slightly to disengage the orientation tabs in the tank and rotate the module 45 degrees.

  7. Remove the fuel pump module.

  8. Object Number: 892958  Size: SH

    Important: Always replace the fuel pump module to tank seal O-ring whenever the assembly is removed.

  9. Discard the fuel pump module to tank seal.
  10. If the sending unit is not being replaced as well, remove the fuel level sender. Refer to Fuel Sender Assembly Replacement .

Installation Procedure


    Object Number: 892958  Size: SH
  1. Install the fuel level sender onto the new fuel pump. Refer to Fuel Sender Assembly Replacement .
  2. Install the new fuel pump with the level sender and the new fuel pump-to-tank seal. Ensure the orientation tabs are aligned.

  3. Object Number: 892359  Size: SH
  4. Use the J 43827 to install the fuel pump lock ring.
  5. Connect the fuel lines and wiring harness.
  6. Install the fuel tank. Refer to Fuel Tank Replacement .