Transmission Repairs
St Charles, MO
12-Month or 12,000-Mile Part and Labor Warranty
3-Year or 100,000-Mile Warranties Available
Low-Cost Transmission Inspections
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Reliable Transmission Repair You Can Trust
When your transmission starts acting up, you need prompt care. At Cottman Transmission and Total Auto Care, we've spent over 35 years diagnosing and repairing transmissions for drivers throughout St. Charles and St. Charles County. We're a locally and family-owned shop that's earned recognition as a 2025 Top-Rated Service Center from CARFAX.
If you're dealing with slipping gears, strange noises, or warning lights on your dashboard, our ASE-certified technicians have the skills to get your vehicle back on the road. We offer affordable transmission inspections and back every transmission repair in St Charles, MO with comprehensive warranties. If you're experiencing transmission troubles, contact us today for honest service you can count on.

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Why Choose Us
12-Month or 12,000-Mile Part and Labor Warranty
3-Year or 100,000-Mile Warranties Available
Low-Cost Transmission Inspections
Licensed and Fully Insured
High-Quality Services
ASE-Certified
Automatic Transmission Repair
Automatic transmissions are complex systems that require specialized knowledge to repair properly. Our team handles everything from fluid leaks and sensor issues to complete rebuilds. We use reliable parts and proven techniques to restore your automatic transmission to smooth operation. With our 12-month or 12,000-mile warranty on parts and labor, plus 3-year or 100,000-mile warranties available, you'll have peace of mind long after you leave our shop.
CVT Repair
Continuously variable transmissions (CVTs) are becoming increasingly common in modern vehicles, and they require specific knowledge to service correctly. Our technicians stay current with the latest CVT technology and repair methods. If your CVT is experiencing shuddering, hesitation, or overheating issues, we'll diagnose the root cause and provide effective solutions. We're fully licensed and insured, giving you confidence that your vehicle is in capable hands.
Manual Transmission Repair
Manual transmissions might seem simpler, but they still need experienced technicians who understand their unique components and common failure points. We repair clutches, synchronizers, gear sets, and more. If you're having trouble shifting, hearing grinding noises, or noticing fluid leaks, we'll get to the bottom of it. Our team provides thorough inspections at a low cost, so you'll know exactly what your manual transmission needs without unnecessary expenses.
Torque Converter Repair
The torque converter is a critical component that transfers power from your engine to your transmission. When it fails, you might experience symptoms like shuddering during acceleration, overheating, or poor fuel economy. Our technicians can diagnose torque converter problems accurately and recommend the most cost-effective repair. Appointments are recommended to ensure we can serve you promptly.


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Here's what our satisfied customers are saying...
At Cottman Transmission and Total Auto Care, we take pride in providing exceptional auto services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Cottman Transmission and Total Auto Care and let others know what you think.
Frequently Asked Questions
What specific types of transmissions do you repair?
We handle a wide variety of transmission systems to ensure your vehicle runs smoothly on the road. Our certified technicians have the expertise to repair automatic, manual, and continuously variable transmissions with precision. We utilize advanced diagnostic equipment to accurately identify internal issues across all of these different designs. No matter what kind of vehicle you drive, we possess the knowledge to service its transmission properly.
Our long-standing presence in the area means we truly understand the specific needs of drivers in our community. If you need reliable transmission repair in St Charles, MO, you can depend on our team to restore your vehicle's performance.
Do you handle manual transmission issues, like clutch repairs?
Yes, we work on manual transmission systems and all the components that make them function. Our technicians frequently perform clutch repairs and replacements for drivers experiencing shifting difficulties or sticking pedals. We can also address issues with the gearbox and driveline to ensure smooth power transfer from your engine. Driving a manual should be an enjoyable experience, and we work hard to eliminate any grinding or stiffness.
Manual transmissions require specialized attention that general auto shops might not be equipped to provide. We carefully inspect the entire manual system to pinpoint the exact cause of any slipping or unusual noises. You can rely on our team to accurately diagnose the problem and perform the necessary repairs to get you moving again. We use high-quality replacement parts for every transmission repair in St Charles, MO we perform.
Can you replace my transmission fluid?
We regularly perform transmission fluid changes to help maintain the health and longevity of your vehicle's system. Fresh fluid is essential for keeping the internal components lubricated and preventing excessive heat buildup during operation. Over time, transmission fluid breaks down and becomes contaminated, which eventually leads to shifting problems or severe mechanical damage. Staying on top of this routine maintenance can save you from experiencing a major breakdown on the highway.
Our technicians will carefully drain the old fluid and replace it with the correct grade for your specific vehicle make and model. We also take this opportunity to look for any metal shavings or warning signs of internal wear that indicate you might need a transmission repair in St Charles, MO. Getting a routine fluid change from our shop is a simple way to extend the lifespan of your transmission.
Can you repair a faulty torque converter?
We definitely have the expertise to repair or replace faulty torque converters in our shop. The torque converter is a vital component of an automatic transmission, and issues with it often cause shuddering or slipping. Our technicians use advanced diagnostic equipment to determine if the converter is the actual source of your drivability problems. Pinpointing the exact issue prevents us from performing unnecessary work on the rest of your transmission system.
Do you provide comprehensive transmission rebuilding services?
Yes, we offer complete transmission rebuilding services for vehicles that require more than just a simple transmission repair in St Charles, MO. When an internal failure occurs, we carefully remove the transmission and disassemble it to inspect every individual component. We replace the damaged or heavily worn parts to restore the entire unit to its proper factory specifications. This process essentially gives your existing transmission a new lease on life without the cost of a brand-new factory unit.
Rebuilding a transmission is a complex process that demands a high level of specialized skill and precision. Our technicians take the time to clean and evaluate the hard parts while replacing the soft parts like seals and clutches. We test the rebuilt transmission before returning your vehicle to ensure everything operates flawlessly before completing the transmission repair in St Charles, MO.

