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Home >> GMC >> 2004 >> Sierra 2500 HD, 2D Pickup, 6.6 2, RWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.6L (LLY) (Introduction) >> Repair Instructions >> Fuel Sender Assembly Replacement >> Removal Procedure

Removal Procedure

  1. Remove the fuel tank. Refer to Fuel Tank Replacement (Pickup)  or Fuel Tank Replacement (Cab/Chassis - Front)  or Fuel Tank Replacement (Cab/Chassis - Rear) .
  2. Disconnect the fuel lines from the sending unit. Refer to Quick Connect Fitting(s) Service (Metal Collar)  or Quick Connect Fitting(s) Service (Plastic Collar) .
    Fig 1: Using J 45722 To Remove/Install The Sending Unit Lock Ring
    GM1372817Courtesy of GENERAL MOTORS CORP.
  3. Using J 45722  , remove the sending unit lock ring.
    4. Fig 2: View Of Sending Unit And Seal
    GM1488784Courtesy of GENERAL MOTORS CORP.
  4. Remove the sending unit and seal. Discard the seal.
  5. Clean the sending unit sealing surfaces.
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