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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Controls And Fuel - 5.3L (L83) Or 6.2L (L86) - Repair Instructions >> Repair Instructions >> Fuel Pressure Gauge Installation And Removal >> Removal Procedure

Removal Procedure

    Fig 1: Fuel Pressure Gage
    GM320792Courtesy of GENERAL MOTORS COMPANY
  1. Relieve the fuel pressure. Refer to the Fuel Pressure Relief .
  2. Remove the J 34730-1A  gauge from the J 42982  adapter.
  3. Using the CH-47831  tool, disconnect the quick connect coupling of the J 42982  adapter from the fuel feed pipe of the fuel rail. Use a shop towel in order to catch any remaining fuel that may leak.
  4. Disconnect the quick connect coupling of the fuel feed hose (3) from the J 42982  adapter, and remove the adapter. Use a shop towel in order to catch any remaining fuel that may leak.
  5. Connect the quick-connect fitting of the fuel feed hose (3) to the fuel feed pipe of the fuel rail.
  6. Turn ON the ignition in order to pressurize the fuel system.
  7. Turn OFF the ignition.
  8. Check for any fuel leaks.
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