Cars & Vehicles Auto Parts & Maintenance & Repairs

How to Replace a Gas Cap Cover

    • 1). Purchase a new gas cap cover. Specify the year, make and model of your vehicle. Choose between a locking gas cap or a one that does not lock. If you already have a locking door to your gas compartment, you probably do not need a locking gas cap. Choose whether you want an OEM or aftermarket part. OEM parts are the original equipment from the manufacturer. Aftermarket parts are third-party productions designed to meet the parts' specifications. Aftermarket products are generally cheaper, but there might be slight differences in design and function.

    • 2). Unscrew the old gas cap in a counterclockwise direction. You may have to place downward pressure to accomplish this. Some gas caps unscrew completely. Others might require a small rotation before pulling straight out.

    • 3). Locate the retaining ring or cord. This will be a plastic tab or wire that connects to a ring around the opening to the gas tank, or it might be attached to the inside wall or door of the gas compartment. The latter will usually be attached via a small clip.


    • 4). Grab the edge with a pair of needle-nose pliers and work the ring off the end of the gas tank opening. If you have a cord attached via a clip, use the needle-nose pliers to pinch the two protruding tabs to open the clip. The actual mechanics will differ from manufacturer to manufacturer, so if you have difficulty, consult a shop manual specific for your vehicle

    • 5). Attach the retaining ring or cord of the new gas cap exactly how the old one was removed.

    • 6). Screw the new cap into place, just how the old one was removed.

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