Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Rear Fuel Line Bundle (Cab/Chassis)

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the rear fuel line bundle.
Install the rear fuel line bundle clip nuts.
Tighten: Tighten the nuts to 12 N.m (106 lb in).

Fig 2: Fuel Feed And EVAP Quick Connect Fittings At Fuel Tank

Courtesy of GENERAL MOTORS CORP.

Remove the caps from the fuel and balance lines at the fuel tank.
Connect the fuel feed and pressure balance lines to the rear tank. Refer to Quick Connect Fitting(s) Service (Metal Collar) .

Fig 3: View Of Fuel Feed And Pressure Balance Lines

Courtesy of GENERAL MOTORS CORP.

Remove the caps from the fuel and balance lines at the fuel tank.
Connect the fuel feed and pressure balance lines to the front tank. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
Install the fuel fill cap.
Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.
Perform 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.