GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 50636  Size: SH
  1. Relieve fuel system pressure. Refer to Fuel Pressure Relief .
  2. Raise the vehicle. Go to Lifting and Jacking the Vehicle in general information.
  3. Remove the modular fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
  4. Remove the fuel level sensor (5) from the modular fuel sender.

Installation Procedure


    Object Number: 50636  Size: SH
  1. Install the fuel level sensor (5) to modular fuel sender.
  2. Reinstall the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
  3. Lower the vehicle.
  4. Tighten the fuel fill cap.
  5. Reconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in engine electrical.
  6. Inspect for fuel leaks.
  7. 6.1. Turn the ignition switch ON for 2 seconds
    6.2. Turn the ignition switch OFF for 10  seconds.
    6.3. Turn the ignition switch ON.
    6.4. Check for fuel leaks.
  8. Reinstall the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement in engine mechanical.