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Home >> Chevrolet >> 2005 >> Avalanche 2500 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 8.1L - Introduction >> Repair Instructions >> Fuel Pressure Dampener Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of Fuel Damper
    GM1254422Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
  2. Remove the engine sight shield. Refer to Engine Sight Shield Replacement in Engine Mechanical - 8.1L.
  3. Clean any dirt from the fuel pressure dampener retainer and the surrounding area.
  4. Remove the fuel pressure dampener clip (1) and dampener.
    5. Fig 2: View Of Fuel Pressure Dampener Backup Ring
    GM1247853Courtesy of GENERAL MOTORS CORP.
  5. Remove the fuel pressure dampener backup ring.
    6. Fig 3: View Of Fuel Pressure Dampener O-Ring
    GM1247857Courtesy of GENERAL MOTORS CORP.
  6. Remove the fuel pressure dampener O-ring.
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