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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 282 (Engine Controls And Fuel - 6.2L (LT4) - Repair Instructions) >> Repair Instructions >> Fuel Pressure Gauge Installation and Removal >> Installation Procedure

Installation Procedure

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  1. Relieve the fuel system pressure. Fuel Pressure Relief 
  2. Disconnect the quick connect coupling of the fuel feed pipe from the fuel feed front hose. Use a shop towel in order to catch any remaining fuel that may leak. Metal Collar Quick Connect Fitting Service 
  3. GM5042975Courtesy of GENERAL MOTORS COMPANY

    Install the CH-37287-1A  adapter (2) between the fuel feed pipe and the fuel feed front hose.

  4. Install the J-34730 - 1A  gauge (1) to the CH-37287-1A  Fuel Pressure Gauge Adapter (2), and tighten securely.
  5. Turn ON the ignition in order to pressurize the fuel system.
  6. Turn OFF the ignition.
  7. Check for any fuel leaks.