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. 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 fill cap.
  4. Reconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  5. Inspect for fuel leaks.
  6. 5.1. Turn ON the ignition for 2 seconds
    5.2. Turn OFF the ignition for 10 seconds.
    5.3. Turn ON the ignition.
    5.4. Check for fuel leaks.
  7. Install the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.