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Home › GMC › 2023 › Terrain SLT, FWD › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 1.5L (LSD) - Repair Instructions › Repair Instructions › Fuel Injector Replacement › Installation Procedure

Installation Procedure

  1. GM4823862Courtesy of GENERAL MOTORS COMPANY

    ANY fuel injectors being reused MUST have NEW combustion fuel injector seals (1) installed. Fuel Rail and Injectors Installation

  2. GM4823870Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    ALWAYS install a NEW fuel injector seal when the fuel injector is removed from the fuel injection fuel rail.

    Lightly coat the NEW fuel injector seal (2) with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers

  3. GM4823871Courtesy of GENERAL MOTORS COMPANY

    Install the fuel injector (1) into the fuel injection fuel rail.

  4. GM6181900Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

    If a NEW threaded component is being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded component is reused, prepare the threaded component using the following steps:

    1. Remove any loose cured adhesive from the external threads of the component using a lint free cloth.
    2. Thread the cleaned component into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Remove loose debris from internal and external threads using compressed air.
    4. Apply liquid thread locking adhesive in a strip along half of the length of the external threads, starting at the tip, just prior to installation. - Adhesives, Fluids, Lubricants, and Sealers
    5. CAUTION:

    Refer to Fastener Caution .

  5. Install and tighten the NEW outer fuel injector bolt (2) 10 N.m (89 lb in).
  6. GM6181886Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

    If a NEW threaded component is being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded component is reused, prepare the threaded component using the following steps:

    1. Remove any loose cured adhesive from the external threads of the component using a lint free cloth.
    2. Thread the cleaned component into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Remove loose debris from internal and external threads using compressed air.
    4. Apply liquid thread locking adhesive in a strip along half of the length of the external threads, starting at the tip, just prior to installation. - Adhesives, Fluids, Lubricants, and Sealers
  7. Install and tighten the NEW inner fuel injector bolt (2) 10 N.m (89 lb in).
  8. GM4823871Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Connector (3) - Connect

  9. Fuel Injection Fuel Rail Assembly - Install - Fuel Injection Fuel Rail Assembly Replacement 
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