Removal Procedure

Remove the fuel injection fuel rail noise shield (1). Refer to Fuel Injection Fuel Rail Noise Shield Replacement .

Fig 1: Fuel Injection Fuel Rail Noise Shield
Courtesy of GENERAL MOTORS COMPANY

NOTE: Replace the noise cancelling foam component if it is exposed to and has absorbed automotive fluids.
Fuel Feed Intermediate Pipe Replacement »Remove
Remove the fuel injection fuel rail pressure sensor. Refer to Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement .
Disconnect the electrical harness from the fuel rail harness connection.
Remove the fuel rail assembly retaining bolts and upper rubber grommets.
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).

Fig 2: Identifying Fuel Rail Assembly Remover Studs
Courtesy of GENERAL MOTORS COMPANY

CAUTION: Refer to Fastener Caution .

NOTE: Use care to avoid contact with the fuel rail harness during special tool installation and fuel rail removal.
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.
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.