GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: Always maintain cleanliness when servicing fuel system components.


    Object Number: 50636  Size: SH
  1. Relieve 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. Reinstall the fuel level sensor (5) to modular fuel sender.
  2. Reinstall 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 the fuel system for leaks by performing the following steps:
  6. 5.1. Turn the ignition switch ON for 2 seconds
    5.2. Turn the ignition switch OFF for 10 seconds.
    5.3. Turn the ignition switch ON.
    5.4. Inspect for fuel leaks.