Tools Required

Caution: Refer to Battery Disconnect Caution in the Preface section.




1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
2. Remove the left fuel rail cover.
3. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief .




Notice: 

•	Do not repair the fuel feed or return pipes.

•	Replace the fuel feed and return pipes with original equipment or with parts that meet the GM specifications for those parts. The replacement pipe must have the same type of fittings as the original pipe in order to ensure the integrity of the connection.

4. Disconnect the fuel feed hose (2) from the chassis fuel feed pipe (3). Refer to Metal Collar Quick Connect Fitting Service .
5. Cap the engine compartment fuel feed pipe.



6. Disconnect the chassis fuel and EVAP pipe retainer (1) from the upper front of dash mounting stud (3).




Caution: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

7. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
8. Remove the exhaust intermediate pipe.



9. Remove the driveline tunnel closeout panel. Refer to Floor Panel Tunnel Panel Reinforcement Replacement in Propeller Shaft.



10. Disconnect the chassis fuel pipe (5) from the underbody retainers (6).
11. Remove the chassis fuel pipe.

Important: 

1. Install the chassis fuel pipe (5) into the underbody retainers (6).



2. Install the driveline tunnel closeout panel. Refer to Floor Panel Tunnel Panel Reinforcement Replacement in Propeller Shaft.



3. Install the exhaust intermediate pipe.
4. Lower the vehicle.
5. Remove the cap from the engine compartment fuel feed pipe.




Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

6. Connect the chassis fuel and EVAP pipe retainer (1) at the upper front of dash mounting stud (3).

Tighten
Tighten the fuel and EVAP pipe retainer nut to 6 N·m (53 lb in).




7. Connect the fuel feed hose (2) to the chassis fuel feed pipe (3). Refer to Metal Collar Quick Connect Fitting Service .
8. Tighten the fuel filler cap.
9. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
10. Perform the following procedure in order to inspect for leaks:

10.1.

Turn the ignition switch ON for 2 seconds.

10.2.

Turn the ignition switch OFF for 10 seconds.

10.3.

Turn the ignition switch ON.

10.4.

Inspect for fuel leaks.

11. Install the left fuel rail cover.
12. Program the transmitters. Refer to Transmitter Programming in Keyless Entry.