LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 331 (Engine Controls - 8.1L (Introduction)) >> Repair Instructions >> Fuel Sender Assembly Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: In order to reduce the risk of fire and personal injury that may result from a fuel leak, always replace the fuel sender gasket when reinstalling the fuel sender assembly.
IMPORTANT: The fuel strainer must be in a horizontal position when installing the sending unit is installed in the tank. When installing the sending unit, assure that the fuel strainer does not block full travel of the float arm.
  1. Install a NEW sending unit seal.
  2. Install the sending unit.
  3. Using J 45722  install the sending unit lock ring.
    Fig 1: Removing/Installing Fuel Sending Unit Lock Ring
    GM1302212Courtesy of GENERAL MOTORS CORP.
  4. Connect the EVAP line to the sending unit. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  5. Connect the fuel line to the sending unit. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  6. Install the fuel tank. Refer to Fuel Tank Replacement (Pickup)  or Fuel Tank Replacement (Cab/Chassis - Front)  or Fuel Tank Replacement (Cab/Chassis - Rear) .