Fuel Rail and Injectors Removal

Special Tools 

EN-49248  Fuel Rail Assembly Remover

For equivalent regional tools, refer to Special Tools 

1. Remove the fuel injection fuel rail noise shield (1).
   Fig 1: Fuel Injection Fuel Rail Noise Shield

   Courtesy of GENERAL MOTORS COMPANY
   WARNING: The noise cancelling foam component MUST be replaced if it has been exposed to engine fluids. Failure to replace the noise cancelling foam component that has been exposed to engine fluids may result in an engine fire resulting in catastrophic engine damage and possible injury or death.
2. Disconnect the electrical harness from the fuel rail harness connection.
   Fig 2: Identifying Fuel Rail Assembly Remover Studs

   Courtesy of GENERAL MOTORS COMPANY
3. Remove the fuel rail assembly retaining bolts and upper rubber grommet, if necessary.
4. Install EN-49248  studs (1) into the 2 outermost fuel rail assembly retaining bolt locations. Tighten the studs to 22 N.m (16 lb ft).
   NOTE: Use care to avoid contact with the fuel rail harness during special tool installation and fuel rail removal.
5. Install EN-49248  remover (2) onto each stud and engage the hooks to the fuel rail. Install the nuts (3) retaining the remover onto the studs and tighten until snug.
6. Using EN-49248  remover, remove the fuel rail assembly.
   Fig 3: Fuel Rail Assembly Remover

   Courtesy of GENERAL MOTORS COMPANY
   NOTE:

   EN-49248  will assist in the proper removal of the fuel rail assembly. Ensure that the following conditions are met:

   • Turn the handles simultaneously in order to pull the fuel rail straight out along the fuel injector axis.
   • DO NOT twist when pulling out on the fuel rail and injector assembly.