FixVault

Relief Procedure

    Fig 1: Identifying Fuel Pressure Gauge J 34730-1A
    GM180378Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  2. Connect J 34730-1A  to the fuel pressure connection. In order to avoid spillage, wrap a shop towel around the fuel pressure connection while connecting the J 34730-1A  .
  3. Install the bleed hose into an approved container and open the valve to bleed the system pressure. The fuel connections are now safe for servicing.
  4. Drain any fuel remaining in the J 34730-1A  into an approved container.