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Home >> Chevrolet >> 2005 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Engine Controls - 4.3L (Introduction)) >> Repair Instructions >> Fuel Sender Assembly Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 GMC Sierra and 2005 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Removing/Installing Sending Unit Lock Ring Using J 45722 (4.8L, 5.3L, and 6.0L)
    GM1302212Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  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.
  5. Remove the sending unit and seal. Discard the seal.
  6. Clean the sending unit sealing surfaces.
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