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Home >> GMC >> 2004 >> Sierra 2500, 4D Pickup, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls - 4.3L (Introduction)) >> Repair Instructions >> Fuel Sender Assembly Replacement >> Removal Procedure

Removal Procedure

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  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Using J 44402  , remove the sending unit lock ring.
    3. Fig 1: Removing & Installing Sending Unit Lock Ring Using J 44402
    GM871947Courtesy of GENERAL MOTORS CORP.
    NOTE: Do Not handle the fuel sender assembly by the fuel pipes. The amount of leverage generated by handling the fuel pipes could damage the joints.
    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.
  3. Remove the sending unit and seal. Discard the seal.
    4. Fig 2: View Of Sending Unit & Seal
    GM871951Courtesy of GENERAL MOTORS CORP.
  4. Clean the sending unit sealing surfaces.
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