GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 34730 Fuel Pressure Gauge

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.


    Object Number: 211302  Size: SH
  1. Relieve the fuel system fuel pressure. Refer to Fuel Pressure Relief .
  2. Drain the fuel tank (1) to at least 3/4 of a tank full. Refer to Fuel Tank Draining .
  3. Important: The modular fuel sender support assembly will spring-up when the locking ring is moved.


    Object Number: 191412  Size: SH
  4. Remove the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .

Disassemble Procedure


    Object Number: 191387  Size: SH
  1. Note the position of the fuel sender strainer (1) 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: 191412  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: 191412  Size: SH
  1. Install the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
  2. Add fuel and install the fuel tank filler pipe cap.
  3. Install the negative battery cable. Refer to Battery Cable in Engine Electrical.
  4. 3.1. Turn the ignition switch to the ON position for 2 seconds.
    3.2. Turn the ignition switch to the OFF position for 10 seconds.
    3.3. Turn the ignition switch to the ON position.
    3.4. Visually inspect the fuel system for fuel leaks.
  5. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement in Body and Accessories.