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Home >> Cadillac >> 2018 >> XTS Livery >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Controls And Fuel - 3.6L (LFX LF3) - Repair Instructions >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement - Bank 1 (LF3) >> Removal Procedure

Removal Procedure

NOTE:

High pressure fuel feed pipes are one time use only. ALWAYS install a NEW high pressure fuel feed pipe if the pipe is removed OR the fittings are loosened.

  1. Fuel Injection Fuel Rail Assembly - Bank 2 - Remove - Fuel Injection Fuel Rail Assembly Replacement - Bank 2 (LF3) 
  2. GM3319576Courtesy of GENERAL MOTORS COMPANY

    Remove the bank 1 fuel injection fuel rail fasteners (1).

  3. Disconnect the fuel rail electrical connector (2) and remove it from the fuel feed pipe bracket retainer (3).
  4. GM3319701Courtesy of GENERAL MOTORS COMPANY

    Use the EN-49248 - 4  hooks (1) to slowly work the fuel injection fuel rail (2) upwards in small, even increments.

  5. Once the fuel injection fuel rail (2) is free, remove the EN-49248  remover components (1).
  6. GM3319752Courtesy of GENERAL MOTORS COMPANY

    Slide the fuel injection fuel rail (1) toward the rear of the engine approximately 25 mm (1 in) and remove it from the vehicle.

  7. NOTE:

    Whenever ANY fuel injector is removed from the cylinder head or the fuel injection fuel rail, the fuel injector MUST be rebuilt.

  8. Once the fuel injection fuel rail is removed, clean and inspect the fuel injectors. Fuel Rail and Injectors Cleaning and Inspection (LF3)