2012 Buick Regal GS, Automatic TransFACTORY OEM SERVICE PROCEDURE

Direct Fuel Injector Replacement

Fig 1: Direct Fuel Injectors
GM2193875Courtesy of GENERAL MOTORS COMPANY
Direct Fuel Injector Replacement

Callout Component Name
Preliminary Procedure 
Remove the fuel injection fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement .
1 Direct Fuel Injector
Procedure 
Disconnect the electrical connector.
2 Direct Fuel Injector
Procedure 
Remove the injector with EN-37281-A  injector remover and DT-2619-01  slide hammer.

Special Tools

  • EN-37281-A  Injector Remover
  • DT-2619-01  Slide Hammer

For equivalent regional tools, refer to Special Tools (Diagnostic Tools) .
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.