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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 8.1L (Introduction) >> Repair Instructions >> Fuel Sender Assembly Replacement (Rear Tank) >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Vapor Line Quick Connect Fittings (Rear Tank)
    GM1372821Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW fuel tank module seal onto the fuel tank.
  2. Position the fuel tank module part way into the fuel tank.
  3. Connect the vapor line quick connect fittings, to the module. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  4. Install the module into the fuel tank.
  5. Place the lock ring into position.
    6. Fig 2: Rotating Lock Ring Using J 45722 (Rear Tank)
    GM1372822Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure that the tool does not come in contact with the module pipes while locking the lock ring.
  6. Using J 45722  , rotate the lock ring clockwise in order to lock the ring.
    7. Fig 3: View Of EVAP Lines At Fuel Tank Module (Rear Tank)
    GM1372819Courtesy of GENERAL MOTORS CORP.
  7. Connect the EVAP lines to the fuel tank module. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  8. Install the fuel tank. Refer to Fuel Tank Replacement (Front Tank)  or Fuel Tank Replacement (Rear Tank) .
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