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Home >> Chevrolet >> 2010 >> Chevy Express G2500, Van Cargo Extended, 6.6 L >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 6.6L (LGH) - Repair Instructions >> Repair Instructions >> Fuel Tank Fuel Pump Module Replacement >> Installation Procedure
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Installation Procedure

  1. Install the fuel level sensor, if necessary. Refer to Fuel Level Sensor Replacement .
    2. Fig 1: View Of Sending Unit And Seal
    GM1488784Courtesy of GENERAL MOTORS COMPANY
  2. Install the sending unit and a NEW seal.
    3. Fig 2: Identifying Lock Ring
    GM1642096Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • 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.
  3. Use the J 45722  wrench in order to install the fuel sender lock ring. Turn the fuel sender lock ring in a clockwise direction.
  4. Install the fuel tank. Refer to Fuel Tank Replacement .
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