At TJC Automotive, we know that your vehicle's mechanical and suspension systems directly impact performance and safety. Serving drivers throughout Centereach, NY and the surrounding Suffolk County, NY area, we deliver reliable repairs that keep you on the road with confidence. Our team brings over 15 years of experience along with certifications from Cummins, Chrysler, and Chevy, ensuring your vehicle receives the precise attention it deserves.

From comprehensive diagnostics to suspension work and wheel alignment services, we have the training and tools to handle it all. As an ASC certified, locally owned shop with dealership-level knowledge, we work with your third-party warranty or insurance company to make the repair process as smooth as possible. We also offer hero discounts for veterans, teachers, police officers, and active military personnel. Ready to get started? Contact us for your free estimate within 24 hours.

Modern vehicles rely on complex systems, and pinpointing issues requires advanced diagnostic equipment and knowledge. Our team uses state-of-the-art technology to accurately identify problems throughout Suffolk County, NY, ensuring we address the root cause rather than just the symptoms.

From engine trouble to transmission concerns, we handle a full range of mechanical repairs with precision and care. Our diesel certification and dealership training means we can service everything from standard vehicles to specialized diesel engines.

A worn or damaged suspension system affects your ride quality, handling, and safety on the road. We inspect and repair shocks, struts, springs, and other suspension components to restore your vehicle's smooth, stable performance.

Proper wheel alignment extends tire life, improves fuel efficiency, and ensures your vehicle tracks straight down the road. If you notice uneven tire wear or your steering pulls to one side, our precision alignment services will get you back on track.