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.

Remove the cap from the opening on the fuel tank.

Fig 1: Fuel Tank Fill Pipe Clamp At The Fuel Tank (Pickup)
Courtesy of GENERAL MOTORS CORP.
Install the fuel tank fill pipe.
Connect the recirculation line to the sending unit. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
NOTE: Refer to Fastener Notice in Cautions and Notices.
Tighten the fuel tank fill pipe clamp (1) at the fuel tank.
Tighten: Tighten the clamp to 2.5 N.m (22 lb in).

Fig 2: Rear Axle Vent Hose (Pickup)

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Install the rear axle vent hose to the clip on the fuel fill pipe bracket.

Fig 3: Fuel Tank Fill Pipe Ground Wire (Pickup)

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Position the fuel tank fill pipe ground wire and chassis harness ground wire (2).
Install the fuel tank fill pipe ground wire (3) anti-rotation tab into the frame hole.
Install the fuel tank fill pipe ground wire bolt (1).
Tighten: Tighten the bolt to 9 N.m (80 lb in).
Lower the vehicle.

Fig 4: Identifying Fuel Filler Components

Courtesy of GENERAL MOTORS CORP.

Install the fuel tank filler housing.
Install the fuel tank filler housing to fuel tank fill pipe screws.
Tighten: Tighten the screws to 2.3 N.m (20 lb in).

Fig 5: View Of Fuel Tank Filler Housing To Body Screws & Retainer

Courtesy of GENERAL MOTORS CORP.

Install the fuel tank filler housing to body screws (1) and retainer (2).
Tighten: Tighten the screws to 2.3 N.m (20 lb in).