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Home >> GMC >> 2004 >> Sierra 2500 HD, 2D Pickup, 8.1 G, RWD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L (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 line from the sending unit. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  3. Disconnect the evaporative emission (EVAP) line from the sending unit. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  4. Using J 45722  remove the sending unit lock ring.
    CAUTION: Drain the fuel from the fuel sender assembly into an approved container in order to reduce the risk of fire and personal injury. Never store the fuel in an open container.
    Fig 1: Removing/Installing Fuel Sending Unit Lock Ring
    GM1302212Courtesy of GENERAL MOTORS CORP.
  5. Remove the sending unit and seal. Discard the seal.
  6. Clean the sending unit sealing surfaces.
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