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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 281 (Engine Controls And Fuel - 3.0L (LGY) - Repair Instructions) >> Repair Instructions >> Fuel Injector Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM5515764Courtesy of GENERAL MOTORS COMPANY

    Direct Fuel Injection Fuel Rail-Bank 1 (1) - Remove - Fuel Injection Fuel Rail Assembly Replacement - Bank 1 

  2. GM5516397Courtesy of GENERAL MOTORS COMPANY

    Direct Fuel Injection Fuel Rail-Bank 2 (1) - Remove - Fuel Injection Fuel Rail Assembly Replacement - Bank 2 

  3. GM2202041Courtesy of GENERAL MOTORS COMPANY

    Fuel Injector Wiring Harness (1) - Disconnect

  4. GM2915261Courtesy of GENERAL MOTORS COMPANY

    Taking care not to touch or apply force to the injector tip or electrical connector, remove the fuel injector (1) by pressing down on the retainer lever to release the tab (2) and simultaneously rotating the injector 45 degrees and pulling straight out from the fuel rail.

  5. Remove and DISCARD the fuel injector retainer (3) from the fuel injector.
  6. GM2915263Courtesy of GENERAL MOTORS COMPANY

    Using pliers, remove and DISCARD the fuel injector bushing (3) straight out from injector body.

  7. Remove and DISCARD the fuel injector O-ring (1) and plastic spacers (2).
  8. Fuel Injector Seal (4) - Remove and DISCARD [2x]