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Home >> Chevrolet >> 2021 >> Trailblazer ACTIV, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.35L (L3T) - Repair Instructions >> Repair Instructions >> Fuel Injector Replacement >> Removal Procedure

Removal Procedure

  1. Remove the fuel injection fuel rail assembly. Fuel Injection Fuel Rail Assembly Replacement 
  2. Disconnect the 3 fuel rail wiring harness connectors at the direct fuel injectors.
  3. GM5136410Courtesy of GENERAL MOTORS COMPANY

    Remove and discard the fuel injection fuel rail clip (1) and fuel injector locating pins (2).

  4. Remove the direct fuel injector (3).
  5. Repeat the steps to remove the remaining direct fuel injectors.
  6. GM5136414Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Do not use a metal tool to remove O-rings, spacers or injector seals. Care must be taken not to scratch or damage the tubes of the injector.

    Fuel Injection Fuel Rail Seal (1) - Remove and DISCARD

  7. Fuel Injector Seal Retainer - White (2) - Remove and DISCARD
  8. Fuel Injector Seal Retainer - Red (3) - Remove and DISCARD
  9. Fuel Injector Nozzle Housing Seal (4) - Remove and DISCARD [2x]
  10. Repeat the steps for the remaining direct fuel injectors.