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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System - 4.8L, 5.3L & 6.0L (Introduction)) >> Repair Instructions >> Fuel Sender Assembly Replacement (6.0L Engine - Dual Tanks - Rear) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of EVAP Lines At Fuel Tank Module (6.0L Engine - Dual Tanks - Rear)
    GM1372819Courtesy of GENERAL MOTORS CORP.
  1. Remove the rear fuel tank. Refer to Fuel Tank Replacement (Single Tank)  or Fuel Tank Replacement (Single Tank w/5.3L (L59) Engine)  or Fuel Tank Replacement (Dual Tanks - Front)  or Fuel Tank Replacement (Dual Tanks - Rear) .
  2. Disconnect the evaporative emission (EVAP) lines from the fuel tank module. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    3. Fig 2: Rotating Lock Ring Using J 45722 (6.0L Engine - Dual Tanks - Rear)
    GM1372822Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure that the tool does not come in contact with the module pipes while unlocking the lock ring.
  3. Using J 45722  , rotate the lock ring counterclockwise in order to unlock the ring. See Special Tools and Equipment .
  4. Remove the J 45722  and the lock ring. See Special Tools and Equipment .
    5. Fig 3: View Of Vapor Line Quick Connect Fitting (6.0L Engine - Dual Tanks - Rear)
    GM1372821Courtesy of GENERAL MOTORS CORP.
  5. Carefully lift the fuel tank module from the fuel tank, enough to access the quick connect fittings below the module cover.
  6. Disconnect the vapor line quick connect fittings in order to remove the module. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  7. Remove the module from the fuel tank.
  8. Remove and discard the fuel tank module seal.
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