Installation Procedure

WARNING: This page is about a different variant/trim than selected.

Fig 1: View Of Fuel Pipe Bundle (Cab/Chassis)

Courtesy of GENERAL MOTORS CORP.

Install the fuel pipe bundle using the following procedure:
1. Install the fuel bundle to the chassis by guiding the pipes towards the rear of vehicle.
2. Lift the fuel pipes, while guiding the forward portion of the pipes up towards the engine connections.

NOTE: Refer to Fastener Notice .

Install the fuel bundle nuts to the chassis.
Tighten: Tighten the nuts to 16 N.m (12 lb ft).

Fig 2: View Of Fuel Feed And Return Lines At Fuel Tank (Pickup)

Courtesy of GENERAL MOTORS CORP.

Connect the fuel feed and return lines to the fuel tank lines. Refer to Plastic Collar Quick Connect Fitting Service .
Install the fuel system cooler, if necessary. Refer to Fuel Cooler Replacement .

Fig 3: Fuel Bundle Clips & Transmission Brackets

Courtesy of GENERAL MOTORS CORP.

Fig 4: View Of EBCM/EHCU Assembly

Courtesy of GENERAL MOTORS CORP.

Tighten the EBCM bracket bolts (4).
Tighten: Tighten the bolts to 25 N.m (18 lb ft).
Lower the vehicle.

Fig 5: View Of Fuel Line Bracket & Nut

Courtesy of GENERAL MOTORS CORP.

Install the fuel line bracket to the stud.
Install the fuel line bracket nut.
Tighten: Tighten the nut to 16 N.m (12 lb ft).
Connect the fuel feed and return lines. Refer to Metal Collar Quick Connect Fitting Service .
Prime the fuel system. Refer to Fuel System Priming .
Start the engine. If the engine stalls, repeat the above step.
Once the engine starts, inspect for fuel leaks.
Install the engine cover. Refer to Engine Cover Replacement .