Fuel Filler Cap

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Fuel Fill Components

Courtesy of GENERAL MOTORS CORP.

Fig 2: Front Fuel Tank Vent

Courtesy of GENERAL MOTORS CORP.

Fig 3: View Of Filler Door & Tethered Fuel Filler Cap

Courtesy of GENERAL MOTORS CORP.

The fuel fill pipe has a tethered fuel filler cap. A torque-limiting device prevents the cap from being over tightened. To install the cap, turn the cap clockwise until you hear clicks. This indicates that the cap is correctly torqued and fully seated. A built-in device indicates that the fuel filler cap is fully seated. A fuel filler cap that is not fully seated may cause a malfunction in the emission system.