Transmission Repair, Rebuild and Auto Service

in San Antonio, TX & the Surrounding Areas

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Transmission Repair & Rebuild

Our local shop specializes in transmission repair, services and rebuilding.

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Auto Repair

We offer bumper to bumper repair for all makes and models.

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Auto Maintenance

Visit us for factory services to keep your car healthy mile after mile.

Full Service Auto Repair

Factory Auto Maintenance

Transmission Repair Specialists

Transmission Rebuilding

Transmission Services

Engine Diagnostics

Complete Auto Repair & Transmission Services You Can Trust

Brakes, Steering & Suspension

Wheel Alightments

Oil Change & Tune Up

12 Month/12K Mile Warrant

Shuttle Services

Early Drop Off

Mendo Motorz AUTO CENTER

Why Choose Mendo Motorz for Auto Repair & Transmission Service in San Antonio

Since 2019, veteran owned and operated Mendo Motorz & Transmissions has been providing expert car repair, auto maintenance and transmission services in San Antonio for drivers of all makes and models.

A bright green auto repair shop with an A/C services bay and a diagnostics bay, featuring a truck on a lift and two cars.
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Veteran-Owned, Warranty-Backed Auto Repair You Can Trust


Our team of local auto mechanics are dedicated to helping our community keep their vehicles safe and reliable. As a dealership alternative for all automotive services, you can rely on us to deliver exceptional results at competitive prices. With all auto repairs and maintenance backed by a 12 month/12,000 mile warranty, we don’t just deliver quality workmanship, but peace of mind as well. From routine oil changes and brake repair services to complex engine diagnostics and transmission repair or rebuilding, you can rely on our nearby auto shop for all your vehicle’s needs. To learn more, or to request a quote for the cost of auto repair in San Antonio, please don’t hesitate to give us a call or stop by at your convenience.

At our local auto shop, the team at Mendo Motorz takes pride in helping our friends and neighbors in San Antonio keep their cars, trucks, vans and SUVs healthy. To ensure we’re able to deliver the best auto repair services in San Antonio and beyond, we invest in state of the art equipment, ongoing training and are dedicated to excellent customer service. With a comfortable waiting room equipped with free Wi-Fi and coffee, as well as early bird drop off and shuttle options, we hope to make it easy to give your car the attention that it needs. The next time your vehicle is due for auto maintenance in San Antonio, or if you have concerns about what’s going on under the hood or with your transmission, call Mendo Motorz at 726-233-2226. We fix car problems big and small for all foreign and domestic vehicles.

San Antonio Transmission Specialists for Repair, Service & Rebuilds


At Mendo Motorz, we specialize in transmission repair in San Antonio. Whether it’s time for routine services, resealing or a complete transmission rebuild, you can rely on us to deliver optimal results. We service all automatic transmissions, manual transmissions and CVT transmissions for most makes and models. If you experience hard shifting, transmission fluid leaks or notice a burning smell, it’s time to visit our San Antonio transmission shop for proper diagnostics and services.

Paul Flynn

Owner & Operator


Paul Flynn, the driving force behind Mendo Motorz, brings a unique blend of military discipline and academic achievement to the auto repair industry. A former U.S. Army infantry scout and paratrooper with the 2nd Ranger Battalion, Paul’s commitment to service runs deep, inspired by a family legacy of military dedication. After his military career, he pursued higher education at UCLA, earning a bachelor’s degree and honing the skills that would later shape his journey into entrepreneurship.

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Since founding Mendo Motorz in 2019, Paul has combined his military values of integrity, discipline, and commitment to create an auto repair shop that offers dealership-quality service at local prices. His leadership ensures that every aspect of the business reflects a dedication to honest, transparent, and educational customer care. Under Paul’s guidance, Mendo Motorz has become a trusted name in San Antonio, known for its quality workmanship, state-of-the-art equipment, and unwavering commitment to getting customers back on the road safely and efficiently.

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Customer Reviews  |   Your business is very appreciated.

G and stars

I had a fantastic experience at Mendo Motorz! First time customer. I brought my 2015 Nissan Pathfinder in for some work and they did an amazing job from diagnostic to getting it done! Everyone I talked to on the phone and in person were so friendly and explained everything that was happening so well. I had a great experience and will be recommending them to anyone I know who needs a reliable shop!


- Jan I.

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

By Mendo Motorz &Transmissions April 15, 2026
Your transmission relies on clean, properly maintained fluid to operate smoothly. Transmission fluid lubricates internal components, regulates temperature, and enables seamless gear shifts. When a leak develops, it can quickly lead to serious performance issues and costly repairs if left unaddressed. Fortunately, there are several warning signs that can alert you to a problem early on. Recognizing these signs can help you take action before significant damage occurs. At Mendo Motorz, we provide expert transmission fluid leak repair in the greater San Antonio area. Here are five common signs of a transmission fluid leak. Puddles or Stains Under Your Vehicle One of the most obvious signs of a transmission fluid leak is the presence of puddles or stains beneath your car. Transmission fluid is typically red or reddish-brown and may appear oily. If you consistently notice spots under your vehicle after it’s been parked, it’s a strong indication that fluid is escaping from the system. Low Transmission Fluid Levels If you check your transmission fluid and find that it’s consistently low, a leak may be the cause. Regularly checking the fluid level (or having a technician check it) can help you catch a leak early before it leads to more serious issues like overheating or internal wear. Difficulty Shifting Gears Transmission fluid plays a key role in smooth gear changes. When fluid levels are low due to a leak, you may notice delayed or rough shifting. Your vehicle might hesitate when changing gears or feel like it’s slipping. Burning Smell While Driving A leak can cause transmission fluid levels to drop, leading to increased friction and heat within the system. This can produce a noticeable burning smell while driving. Overheated transmission fluid loses its effectiveness, which can accelerate wear on internal components and increase the risk of failure. Unusual Noises from the Transmission Grinding, whining, or clunking noises can occur when there isn’t enough fluid to properly lubricate the transmission. These sounds often indicate that metal components are rubbing against each other, which can cause significant damage over time. Addressing the issue early can help prevent more extensive repairs. Transmission Repair in San Antonio, TX For expert transmission repair in San Antonio and the surrounding area, contact Mendo Motorz at  726-233-2226  . Feel free to give us a call to make an appointment for auto repair and maintenance in greater San Antonio !
An aluminum automotive transmission valve body and casing disassembled on a workshop floor.
By Mendo Motorz & Transmissions March 31, 2026
At Mendo Motorz & Transmissions in San Antonio, TX, we help drivers catch transmission problems early before they turn into costly repairs. Your transmission plays a critical role in how your vehicle shifts, accelerates, and performs overall. Recognizing the warning signs of trouble can save you time, money, and stress. Here are the top five signs that your transmission may need professional attention. Slipping Gears If your vehicle unexpectedly changes gears or struggles to stay in gear, this is a clear sign of transmission trouble. You might notice the engine revving higher than normal without an increase in speed. Gear slipping can affect both performance and safety, so it’s important to have it checked as soon as possible. Delayed or Rough Shifting A healthy transmission should shift smoothly and without hesitation. If you experience delayed engagement when shifting into drive or reverse, or feel hard, jerky shifts while driving, it could indicate internal wear or low transmission fluid. Addressing this early can prevent further damage. Transmission Fluid Leaks Transmission fluid is essential for lubrication and cooling. If you notice red or brown fluid under your vehicle, you may have a leak. Low fluid levels can quickly lead to overheating and internal damage, making this one of the most urgent signs to address. Burning Smell A burning odor coming from your vehicle may indicate that your transmission is overheating. This can be caused by old or low fluid, excessive friction, or internal issues. Ignoring this smell can lead to serious damage, so it’s best to have your vehicle inspected right away. Check Engine Light or Warning Indicators Modern vehicles rely on sensors to detect transmission issues. If your check engine light comes on, it could be related to transmission performance. While the light can indicate many issues, it’s always worth having a professional run diagnostics to identify the exact cause. If you’re experiencing any of these warning signs, don’t wait for the problem to get worse. The team at Mendo Motorz & Transmissions in San Antonio, TX is here to provide expert diagnostics and reliable repairs. Call us at  726-233-2226  to schedule an appointment or to request a quote for the cost of transmission repair in San Antonio for any car, truck or SUV.