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Home >> Pontiac >> 2009 >> G8 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.6L - Introduction >> Repair Instructions >> Fuel Pressure Gage Installation and Removal >> Installation Procedure
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Installation Procedure

    WARNING: Refer to Gasoline/Gasoline Vapors Warning .
    CAUTION: 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. Remove the engine covers. Refer to Engine Cover Replacement .
    2. Fig 1: Fuel Pressure Test Hose Adapter & Pressure Gage
    GM1949812Courtesy of GENERAL MOTORS CORP.
  2. Remove the fuel pressure service connection dust cap from the fuel rail.
  3. Connect the AU-465  (1) fuel pressure test hose adapter to the fuel pressure connection. Wrap a shop towel around the fitting while connecting the AU-465  (1) in order to avoid spillage.
  4. Connect the AU-338  (2) fuel pressure gage to the AU-465  (1). Wrap a shop towel around the fitting while connecting the gage in order to avoid spillage.
  5. Turn ON the ignition.
    6. WARNING: Do not drain the fuel into an open container. Never store the fuel in an open container due to the possibility of a fire or an explosion.
  6. Place the bleed hose of the fuel pressure gage into a suitable container.
  7. Open the bleed valve on the fuel pressure gage in order to bleed the air from the fuel pressure gage.
  8. Command the fuel pump ON with a scan tool.
  9. Close the bleed valve on the fuel pressure gage.
  10. Inspect for fuel leaks.
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