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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - 8.1L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Pressure Dampener Replacement >> Installation Procedure

Installation Procedure

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  1. Lubricate the fuel pressure dampener O-ring with clean engine oil.
  2. Install the fuel pressure dampener O-ring.
    Fig 1: View Of Fuel Pressure Dampener O-Ring
    GM1247857Courtesy of GENERAL MOTORS CORP.
  3. Install the fuel pressure dampener backup ring.
    Fig 2: View Of Fuel Pressure Dampener Backup Ring
    GM1247853Courtesy of GENERAL MOTORS CORP.
  4. Install the fuel pressure dampener and clip (1).
    Fig 3: Installing Fuel Damper
    GM1254422Courtesy of GENERAL MOTORS CORP.
  5. Install the engine sight shield. Refer to Engine Sight Shield Replacement in Engine Mechanical - 8.1L.
  6. Install the fuel fill cap.
  7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.
  8. Use the following procedure to inspect for leaks:
    1. Turn the ignition ON, with the engine OFF, for 2 seconds.
    2. Turn the ignition OFF for 10 seconds.
    3. Turn the ignition ON, with the engine OFF.
    4. Inspect for fuel leaks.
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