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Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to Gasoline/Gasoline Vapors Caution in Cautions and Notices.
CAUTION: Refer to Fuel Gage Leak Caution in Cautions and Notices.
  1. Remove the engine sight shield. Refer to Engine Sight Shield Replacement in Engine Mechanical - 8.1L.
  2. Remove the fuel rail pressure cap.
    Fig 1: Identifying Fuel Pressure Gauge J 34730-1A
    GM180378Courtesy of GENERAL MOTORS CORP.
  3. Connect the J 34730-1A  to the fuel pressure valve. Wrap a shop towel around the fitting while connecting the gage in order to avoid spillage.
  4. Install the bleed hose on J 34730-1A  into an approved container.
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