Removal Procedure

WARNING: Refer to Gasoline/Gasoline Vapors Warning .

WARNING: Refer to Safety Goggles and Fuel Warning .

CAUTION: When working on the fuel rail and fuel injectors, always maintain a clean work surface. Failure to maintain a clean work surface can result in contaminant on the injector seals and cause leaks.

Fuel Injection Fuel Rail Assembly Removal and Installation » Remove
Remove the 8 plate bolts (1) and remove the EN-51146-1-2 plate (2), counterhold with a wrench (4) at the EN-51146-1-1 supports (3).

Fig 1: Plate, Bolts And Supports
Courtesy of GENERAL MOTORS COMPANY

NOTE: The EN-51146-2-5 calibrations tools must be installed.
Remove the 8 EN-51146-1-1 supports (3).
NOTE: Remove only the EN-51146-1-1 supports (3) of the fuel injector or fuel injectors, which will be replaced. The EN-51146-1-1 supports must be installed at the injectors, which will be re-used. Failure to follow this caution could cause leaks or malfunction after installation.
Disconnect the fuel injector electrical connector (3).

Fig 2: Fuel Injection Fuel Rail
Courtesy of GENERAL MOTORS COMPANY
Fuel Injector (2) @ Fuel Injection Fuel Rail (1)» Remove