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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 908 (Engine Controls And Fuel - 6.6L (LMM) - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Sender Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Sending Unit & Seal
    GM1488784Courtesy of GENERAL MOTORS CORP.
  1. Install the sending unit and a NEW seal.
    2. Fig 2: Identifying Lock Ring
    GM1642096Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Always replace the fuel sender seal when installing the fuel sender assembly. Replace the lock ring if necessary. DO NOT apply any type of lubrication in the seal groove.
    Ensure the lock ring is installed with the correct side facing upward. A correctly installed lock ring will only turn in a clockwise direction.
  2. Use the J 45722  in order to install the fuel sender lock ring. Turn the fuel sender lock ring in a clockwise direction.
  3. Connect the fuel lines to the sending unit. Refer to Metal Collar Quick Connect Fitting Service  or Plastic Collar Quick Connect Fitting Service .
  4. Install the fuel tank. Refer to Fuel Tank Replacement (Pickup)  or Fuel Tank Replacement (Cab/Chassis - Front)  or Fuel Tank Replacement (Cab/Chassis - Rear) .
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