Installation Procedure

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/EVAP Line Bundle

Courtesy of GENERAL MOTORS CORP.

Install the fuel/EVAP line bundle.

CAUTION:

Refer to Fastener Caution .

Install the fuel line bracket nuts.
Tighten

Tighten the bolt to 18 N.m (13 lb ft).

Fig 2: Fuel Line Clip At Bracket

Courtesy of GENERAL MOTORS CORP.

If equipped with 4WD, install the fuel hose/pipe clip to the bracket on the transfer case.
Install the fuel line clip to the bracket on the automatic transmission.

Fig 3: Fuel Pipe Bracket And Nut At Bellhousing

Courtesy of GENERAL MOTORS CORP.

Install the fuel pipe bracket to the bellhousing stud.
Install the fuel pipe bracket nut.
Tighten

Tighten the nut to 20 N.m (15 lb ft).
Lower the vehicle.

Fig 4: EVAP Canister Purge Tube And Quick Connect Fitting

Courtesy of GENERAL MOTORS CORP.

Remove the caps from the fuel rail and EVAP line.
Connect the EVAP line (1) quick connect fitting to the chassis line. Refer to Plastic Collar Quick Connect Fitting Service .
Connect the fuel feed line (2) quick connect fitting to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
Install the fuel fill cap.
Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
Use the following procedure in order to inspect for leaks:
1. Turn the ignition ON, with the engine OFF, for 2 seconds.
2. Turn the ignition OFF for 10 seconds.
3. Turn the ignition ON, with the engine OFF.
4. Inspect for fuel leaks.
Install the intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .