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Removal Procedure

WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Fuel Pressure Gauge J 34730-1A
    GM180378Courtesy of GENERAL MOTORS CORP.
  1. Remove the bleed hose on the J 34730-1A  from the approved container.
  2. Remove the shop towel from around the fitting and discard into an approved container.
  3. Disconnect the J 34730-1A  from the fuel pressure valve.
  4. Install the fuel rail pressure fitting cap.
  5. Install the engine sight shield. Refer to Engine Sight Shield Replacement in Engine Mechanical - 8.1L.