Fuel Rail and Injectors Removal

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Fuel Rail Stop Bracket And Bolt

Courtesy of GENERAL MOTORS CORP.

WARNING:

Refer to Fuel Rail Stop Bracket Installation Warning .

NOTE:

The intake manifold, throttle body, fuel injection rail and fuel injectors may be removed as an assembly. If not servicing the individual components, remove the intake manifold as a complete assembly.

Remove the fuel rail stop bracket and bolt, as required.

Fig 2: EVAP Purge Valve And Tubes

Courtesy of GENERAL MOTORS CORP.

Remove the evaporative emission (EVAP) canister purge solenoid valve (730) and tubes (729, 735).

Fig 3: Fuel Rail

Courtesy of GENERAL MOTORS CORP.

Remove the fuel rail bolts (511).

NOTE:

Do not separate the fuel injectors from the fuel rail, unless component service is required.
Use cleanliness and care when handling the fuel system components.
Do not allow dirt or debris to enter the fuel injectors or fuel rail components. Cap ends, as necessary.

Remove the fuel rail (510) with injectors. Lift evenly on both sides of the fuel rail until all the injectors have left their bores.

Fig 4: Fuel Rail And Injectors

Courtesy of GENERAL MOTORS CORP.

Remove the fuel injector retainers (521) and fuel injectors (533), as required.
Remove the O-rings (532, 534) from the injectors, as required.