Walnut Creek Auto Repair

Owning a Cadillac means enjoying one of the smoothest, most refined driving experiences on the road. But even the most luxurious vehicles need proper care to stay safe, powerful, and reliable. At Frank’s Auto Service in Walnut Creek we specialize in keeping Cadillac cars and SUVs running at their absolute best. We have been serving Rossmoor Cadillac owners for decades. Our shop has extensive Cadillac service and repair experience – and we employ advanced diagnostic tools and ASE-certified technician. We offer a 36-month/36,000-mile nationwide warranty on all repairs – we can offer such industry leading warranty thanks to our highly skilled technicians and quality parts we use. Regular maintenance protects your investment and helps prevent costly breakdowns. We follow Cadillac-recommended service intervals for oil changes, fluid checks, filters, tire rotations, brake inspections, as well as spark plugs replacement. If something feels off—like reduced performanc ... read more

A healthy radiator is one of those things drivers don’t think about until something goes wrong—but once it does, it will be obvious fast. Your Buick’s cooling system works hard every time you drive, keeping the engine at a safe temperature so it can perform smoothly and efficiently. When the radiator starts to fail, overheating isn’t far behind. Overheating can severely damage the engine, that’s why at Frank’s Auto Services we recommend regular auto checkups, so we can have an opportunity to catch developing problems. In between the checkups, If you notice any of the symptoms listed below, call us right away: Temperature gauge climbing higher than usual Coolant leaks—often seen as bright green or orange puddles under the car Sweet or chemical odor from the engine bay Low coolant levels even after topping up Steam or visible overheating   These symptoms can point to a clogged radiator, failing hoses, a cracked tank, or internal corro ... read more

A Buick is built for comfort, smooth performance, and long-term reliability—and with the right care, it can stay that way for years. At Frank’s Auto Service we have been serving Rossmoor residents for decades, and we’re committed to helping you get the most value out of your Buick, with the expert service you can truly rely on. Whether your vehicle needs routine maintenance or you need help solving a warning light problem or unusual noise issue, our team is here to make the process simple and stress-free. When your Buick needs attention, you can count on us. Our nationally ASE-certified technicians have extensive hands-on experience with Buick engines, drivetrains, electrical systems, and more. They understand how to keep these vehicles running smoothly mile after mile—and they make sure every visit is easy, and productive. We are on the South side of Highway 24, a short drive from Rossmoor, so if you need a ride home, we can provide free shuttle service &ndash ... read more