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Home >> Hummer >> 2005 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Fuel Pressure Gage Installation and Removal >> Installation Procedure

Installation Procedure

CAUTION: Refer to Gasoline/Gasoline Vapors Caution in Cautions and Notices.
    Fig 1: Identifying Fuel Pressure Gauge J 34730-1A
    GM180378Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fuel Gage Leak Caution in Cautions and Notices.
    NOTE: Clean all of the following areas before performing any disconnections in order to avoid possible contamination in the system:
    • The fuel pipe connections
    • The hose connections
    • The areas surrounding the connections
  1. Install the fuel pressure gage to the fuel pressure service connection, located on the fuel rail.
  2. Turn ON the ignition.
    3. CAUTION: Refer to Fuel Storage Caution in Cautions and Notices.
  3. Place the bleed hose of the fuel pressure gage into an approved gasoline container.
  4. Open the bleed valve on the fuel pressure gage in order to bleed the air from the fuel pressure gage.
  5. Command the fuel pump ON with a scan tool.
  6. Close the bleed valve on the fuel pressure gage.
  7. Inspect for fuel leaks.
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