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Home >> Chevrolet >> 2006 >> Chevy Express G2500, Van Cargo Extended, 6.6 2 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 6.6L (LLY) - Introduction (2 Of 2) >> Repair Instructions >> Fuel Sender Assembly Replacement >> Installation Procedure

Installation Procedure

    Fig 1: View Of Sending Unit And 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 Quick Connect Fitting(s) Service (Metal Collar)  or Quick Connect Fitting(s) Service (Plastic Collar) .
  4. Install the fuel tank. Refer to Fuel Tank Replacement (Passenger/Cargo Van) .
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