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Fuel Injector Replacement

Special Tools

    • EN-50428 Remover - Injector
    • EN-48559 Injector Protective Caps
    • EN-47632 Cleaning Tool

For equivalent regional tools, refer to Special Tools .

Removal Procedure

  1. Remove the engine sight shield. Refer to Engine Sight Shield Replacement .
  2. Remove the 4 fuel injection fuel feed pipes - fuel rail to fuel injector. Refer to Fuel Injection Fuel Feed Pipe Replacement - Fuel Rail to Fuel Injector .
  3. Remove the fuel injection fuel feed pipe - fuel pump to fuel rail. Refer to Fuel Injection Fuel Feed Pipe Replacement - Fuel Injection Pump to Fuel Rail .

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  5. Remove and DISCARD the 4 fuel injector bracket retaining bolts (2).
  6. Remove the 4 fuel injector brackets (3).
  7. Remove the 4 fuel injectors (1), using the EN-50428 remover . Remove the 4 inner camshaft cover retaining bolts to use remover.
  8. Close the 4 fuel injector nozzles with the EN-48559 protective caps .

Installation Procedure


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    Note: Use both sides of EN-47632 cleaning tool, one for loosening the dirt and the other to remove the dirt.

  1. Clean the sealing surfaces, use the EN-47632 cleaning tool .
  2. Caution: Refer to Fastener Caution in the Preface section.


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  3. Install the 4 camshaft cover retaining bolts. Tighten the bolts to 10 N·m (89 lb in).
  4. Remove the 4 EN-48559 protective caps .
  5. Install the 4 fuel injectors (1).
  6. Install the 4 fuel injector brackets (3).
  7. Caution: Refer to Torque-to-Yield Fastener Caution in the Preface section.

  8. Install the 4 NEW fuel injector bracket retaining bolts (2). Tighten the bolts to 14 N·m + 110° (10 lb ft + 110°).
  9. Install the 4 fuel injection fuel feed pipes - fuel rail to fuel injector. Refer to Fuel Injection Fuel Feed Pipe Replacement - Fuel Rail to Fuel Injector .
  10. Install the fuel injection fuel feed pipe - fuel pump to fuel rail. Refer to Fuel Injection Fuel Feed Pipe Replacement - Fuel Injection Pump to Fuel Rail .
  11. Install the engine sight shield. Refer to Engine Sight Shield Replacement .
   


© Copyright Chevrolet. All rights reserved
   


© Copyright Chevrolet. All rights reserved