GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: Always maintain cleanliness when servicing the fuel system components.


    Object Number: 50636  Size: SH
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Remove the modular fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
  3. 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 the modular fuel sender.
  2. Install the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
  3. Tighten the fuel filler cap.
  4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  5. Inspect for fuel leaks:
  6. 5.1. Turn the ignition ON for 2 seconds
    5.2. Turn the ignition OFF for 10 seconds.
    5.3. Turn the ignition ON.
    5.4. Inspect for leaks.