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Home >> GMC >> 2001 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls - 4.3L - Repair Instructions) >> Repair Instructions >> Fuel Pressure Service Valve Replacement >> Installation Procedure

Installation Procedure

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    Fig 1: Valve Core
    GM586374Courtesy of GENERAL MOTORS COMPANY
  1. Use a standard valve core tool in order to install a new valve core (2).
  2. Tighten the fuel filler cap.
  3. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Auxiliary Battery) , Battery Negative Cable Disconnection and Connection (Single Battery) in Engine Electrical.
  4. Inspect for leaks using the following procedure:
    1. Turn ON the ignition, with the engine OFF, for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition with the engine OFF.
    4. Inspect for fuel leaks.
  5. Install the fuel pressure connection valve cap (3).