Semi Truck Repair, Heavy Equipment Repair, Diesel Repair, Auto Repair, Auto Maintenance and 24/7 Mobile Roadside Services

San Antonio, TX & the Surrounding Areas

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Semi Truck and Diesel Repair Service

We offer complete semi truck repair, including diesel services.

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Fleet, Bus and RV Repair Service

Our team caters to all Fleets & large vehicles, including buses & RVs.

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Heavy Equipment Repair Service

Get back to work fast with expert heavy machinery repair service.

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24/7 Mobile Repair and Roadside Service

We are available day or night to help you get back on the road.

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Auto Repair and Maintenance

We offer comprehensive automotive services for all makes & models.

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Customer Reviews

Read our latest reviews or leave us your personal feedback.

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San Antonio Auto & Truck Repair Shop

For more than 15 years, Santin Auto & Truck Repair Center has been providing comprehensive light, medium and heavy duty vehicle repair in San Antonio for cars, trucks and construction equipment.

Full Service Vehicle Repair

Auto Repair & Maintenance

Light & Medium Duty Truck Repair

Heavy Duty Truck Repair

Semi Truck Repair & Maintenance

Fleet Maintenance

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Bus, RV & Trailer Repairs

Diesel Repair & Maintenance

Heavy Equipment Repair

Engine & Transmission Experts

Tire Sales & Service

ASE Certified

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ASE Certified Technicians

With a full service facility and 24/7 mobile services, our team of ASE certified technicians are standing by to help you get back on the road or back to work when trouble strikes. We can also conduct preventative maintenance services at your location or ours to maximize performance of your vehicles and heavy equipment. With more than 65 years of combined experience among our team, there is no issue we can’t solve, including those that require software services or welding and fabrication. Whether you drive a big rig, bull dozer, box truck or a personal vehicle, our team can fix car trouble of all types. If you need scheduled in shop auto repair for your fleet vehicle, 24/7 mobile repair for your heavy equipment, or roadside assistance for your daily driver, you can rely on our nearby mechanics to get you moving again. Give our San Antonio auto repair and truck repair shop a call to learn more about our services or to request an appointment.

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Spartan Emergency Response logo: red

As a local truck repair and car repair shop, the team at Santin Auto & Truck Repair Center  takes pride in serving drivers in San Antonio and the surrounding communities. To ensure we’re able to provide the best automotive services for trucks, buses, RVs and cars, we invest in state of the art computer-aided diagnostic and repair equipment and ongoing training. This keeps us up to date with the latest service techniques for modern vehicles. Our mobile vehicle repair trucks are also equipped to handle the toughest repairs, but if on-site service won’t suffice, we offer towing to our location for full service repairs. When you need semi truck repair in San Antonio or other automotive services in South Texas, don’t hesitate to call 210-890-5867. We would be happy to provide an estimate for the cost of auto repair or answer any other questions about the vehicle and heavy equipment services provided by Santin Auto & Truck Repair Center.

Preferred Partner with All Major Fleet Groups

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Customer Reviews

Your business is very appreciated.

G and stars

Santin Truck repair has been a blessing for me in getting a qualified and certified Spartan chassis repair facility for my Newmar Essex coach. They helped me with road calls with issues. They have serviced my coach doing preventative maintenance. I have had paint touch work done and they did an excellent job. I have no issue recommending them.


- Tim K.

Blog

We invite you to monitor our News Blog for informative articles.

By Santin Auto & Truck Repair Center June 30, 2026
A properly functioning cooling system is essential for any semi truck engine. Heavy loads, long driving hours, and demanding operating conditions place significant stress on cooling system components. When problems develop, they can quickly lead to overheating, costly repairs, and downtime. The important thing is to take action at the first signs of trouble. At Santin Auto & Truck Repair Center, we’re happy to answer your questions about semi truck cooling system repair in the greater San Antonio area. What Does the Cooling System Do? The cooling system regulates engine temperature by circulating coolant through the engine and radiator. As coolant absorbs heat from the engine, it flows to the radiator where excess heat is released. This process helps prevent overheating and enables the engine to operate within a safe temperature range. What Are Common Signs of Cooling System Problems? Several warning signs may indicate a cooling system issue. Common symptoms include rising engine temperatures, coolant leaks, low coolant levels, and steam coming from the engine compartment. Drivers may also notice warning lights or unusual odors associated with overheating coolant. What Components Commonly Require Repair? Semi truck cooling systems contain several critical components that can wear out over time. Common repairs involve radiators, water pumps, thermostats, cooling fans, and hoses. Any failure within the system can affect coolant circulation and engine temperature control. Why Is Overheating So Dangerous? An overheating engine can suffer severe damage if the issue is not addressed quickly. Excessive heat can lead to warped cylinder heads, blown head gaskets, and other major engine problems. Prompt diagnosis and repair of cooling system issues can help prevent expensive repairs and prolonged downtime. How Can Cooling System Problems Be Prevented? Routine maintenance is the best way to reduce the risk of cooling system failures. Regular coolant inspections, radiator cleaning, hose checks, and timely replacement of worn components can help keep the system operating efficiently. Preventive maintenance is often far less expensive than repairing damage caused by overheating. Where Can I Get Semi Truck Cooling System Repair in San Antonio, TX? For expert semi truck cooling system repair in San Antonio and the surrounding area, contact Santin Auto & Truck Repair Center at  210-890-5867  . Feel free to give us a call to schedule an appointment !