Cadillac XTS will feature capless fueling technology

Article by Christian Andrei, on May 3, 2012

The new Cadillac XTS luxury sedan may surprise you. It uses a new system that benefits the car and the driver in ways that are not readily noticeable. It has been fitted with technologies that are activated the moment that the driver pushes the ignition button. But it also boasts several enhancements such as a new capless fuel filler assembly.

John Hamilton, Cadillac fuel fill systems design engineer, said that this device aids in keeping hands dirt-free and fuel-free. It also prevents scratches on the paint that’s the result of a swinging cap. It even helps make the engine run smoothly.

Since fuel systems have to be fully sealed, having a loose cap can trigger a “check engine” light and result to a service visit. The 2013 XTS has no traditional twist-off cap hiding behind its fuel door. Due to this, the door itself doesn’t have to accommodate a hand and was created to be smaller and less obvious on the XTS’ sheet metal.

Even without a cap, the system complies with all fuel system sealing regulations. When inserting a fuel nozzle, it pushes aside two doors, with each locking fuel in with a rubber seal around its edge. The two doors are meant to guarantee the system will stay air-tight through years of ownership.

Hamilton said that several capless systems on the market only have a single door and this makes leaks more likely. Unlike its rivals, Cadillac’s system doesn’t have an internal drain, leading to drips.

Other advantages include not ever leaving a gas station with a dangling cap, which could result to paint damage and messy fuel drips. The XTS is powered by an advanced V-6 engine with direct-injection and lightweight advances such as exhaust manifolds incorporated into the cylinder heads and a next-generation six-speed transmission. Buyers would also like stopping for fuel less often.

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