GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: Provide proper ventilation when working with fuel in enclosed areas where fuel vapors can collect. The lack of adequate ventilation may result in personal injury.

Caution: Always wear safety goggles when working with fuel in order to protect the eyes from fuel splash.

Notice: Do Not handle the fuel sender assembly by the fuel pipes. The amount of leverage generated by handling the fuel pipes could damage the joints.

  1. Relieve the fuel system fuel pressure. Refer to Fuel Pressure Relief .
  2. Drain the fuel tank to no more than 1/4 of a tank full. Refer to Fuel Tank Draining .

  3. Object Number: 62002  Size: SH

    Important: The modular fuel sender support assembly will spring-up when the locking ring is moved.

  4. Remove the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .

Disassemble Procedure

  1. Note the position of the fuel sender strainer for installation.
  2. Support the reservoir with one hand and grasp the fuel sender strainer with the other hand.

  3. Object Number: 23659  Size: SH
  4. Pull the external fuel sender strainer off of the fuel pump.
  5. Inspect the fuel sender strainer. If the fuel sender strainer is contaminated, the fuel tank should be cleaned.
  6. Discard the fuel sender strainer after inspection.

  7. Object Number: 50562  Size: SH
  8. Disassemble the electrical connectors from the sensor assembly of the fuel pump and the cover assembly.
  9. Disassemble the fuel level sensor assembly.

Assemble Procedure


    Object Number: 62002  Size: SH
  1. Assemble the fuel level sensor assembly.
  2. Assemble the electrical connectors to the fuel pump and the cover assembly.

  3. Object Number: 23659  Size: SH
  4. Position the new fuel sender strainer on the modular fuel sender and push on the outer edge of the fuel sender strainer until the fuel sender strainer is fully seated.

Installation Procedure


    Object Number: 62002  Size: SH
  1. Install the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .

  2. Object Number: 13586  Size: SH
  3. Add fuel and install the fuel tank filler pipe cap.