Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2004 GMC Envoy RWDFACTORY OEM SERVICE PROCEDURE

Installation Procedure

Fig 1: Identifying Fuel Pipe/Hose Components

Courtesy of GENERAL MOTORS CORP.

Install the fuel filler pipe to the vehicle.
Install the push pin fastener (5).
Uncap the fuel tank.
Install the fuel hose (2) to the tank.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten the fuel fill hose clamp (1).
Tighten: Tighten the clamp to 2.5 N.m (22 lb in).

Fig 2: Removing/Installing Fuel Fill Pipe Ground Strap

Courtesy of GENERAL MOTORS CORP.

Install the fuel fill pipe ground strap bolt (3).
Tighten: Tighten the bolt to 10 N.m (89 lb in).
Lower the vehicle.

Fig 3: Removing/Installing Fuel Fill Pipe Bracket Nuts

Courtesy of GENERAL MOTORS CORP.

Install the fuel fill pipe bracket nut (2).
Tighten: Tighten the nut to 10 N.m (89 lb in).

Fig 4: Removing/Installing Fuel Fill Pipe Housing

Courtesy of GENERAL MOTORS CORP.

Install the fuel fill pipe housing.
Install the fuel fill cap.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.