Transmission Maintenance & Service in St. Thomas, Ontario

Keep your car on the road with preventative transmission maintenance

Just as you have other parts of your car serviced, your transmission needs maintenance to ensure a long life and avoid transmission problems. Our transmission service consists of a complete diagnosis of your transmission’s performance and general operation. Several of these procedures will be performed twice; once by the centre manager, and then again by a technician. This method allows double checking of your transmission’s key systems, while providing you with added assurance.

Multi-Check Inspection in St. Thomas, Ontario

The Mister Transmission Road Test and Multi-Check Inspection includes:

  • Visual Inspection
  • Fluid Check (on models with dipsticks)
  • Road Test
  • On Board Diagnostics (OBD) Computer Scan – read codes

Learn more about the Multi-Check Inspection:

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Transmission Fluid Check

The fluid check indicates the first sign of possible wear and damage. A transmission in good condition will have a clear red fluid. If your fluid is discoloured or has unpleasant odour, this may be an indication of internal wear and damage which is occurring as you drive your vehicle. An unpleasant odour and discoloration, in combination with other symptoms, may require an internal inspection of your transmission.

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Road Test

The road test consists of two segments: a stationary test and driving test, which together comprise the most detailed portion of the Multi-Check. Every position of your transmission will be thoroughly tested for slipping, noises, harsh, soft or erratic shifting, as well as late or early shift patterns.

What’s Next After Your Free Road Test and Multi Check?

*Additional Charges may apply*

Why Choose Us

Lift Inspection

During the lift inspection our technician will check the following:

  • Neutral Switch
  • Engine RPM
  • Throttle Linkage
  • Modulators
  • Transmission Mounts
  • U-Joints
  • Fluid Retention
  • Electronic Controls

This will determine if a minor adjustment will correct the problem of your transmission.

Pan Examination

In all pans, there are some metal particles and friction material present. However, an excessive amount indicates internal wear and damage. If that is the case, and it is determined that a minor adjustment will not correct the problem, we will recommend Mister Transmission’s inspection service. This service will determine exactly what is wrong inside your transmission.

Inspection Service

Your transmission is one of the most complex systems in your vehicle, with hundreds of precision parts operating together. Determining the problem and providing a price sometimes requires removing and even dismantling your transmission. Not only will we be able to determine the problem, we’ll also be able to determine the cause to prevent any future problems. Some of these services will require additional charges, which we will request you authorization prior to the work being performed.

Transmission Fluid Change Service

We also offer a transmission fluid change service to help ensure your transmission continues to operate at its best for years to come.

Learn More About Maintaining Your Transmission

Talk to a Customer Service Representative

Ask questions or address any concerns by calling 1-800-373-8432 or e-mail customerservice@mistertransmission.com, or find a Mister Transmission location near you.

Frequently Asked Questions

  • What is included in transmission maintenance service? +

    Mister Transmission St. Thomas provides complete transmission maintenance including fluid checks, filter inspection, road testing, and multi-point diagnostics. This service helps identify early issues, improve performance, and extend the lifespan of your transmission while reducing the risk of costly future repairs.

  • How often should I get transmission maintenance? +

    Most vehicles should have transmission maintenance every 30,000 to 60,000 km, depending on driving conditions and manufacturer guidelines. Regular servicing at Mister Transmission St. Thomas ensures optimal performance, prevents overheating, and helps detect potential problems before they become serious.

  • Why is transmission fluid service important? +

    Transmission fluid lubricates, cools, and protects internal components. Over time, it breaks down and loses effectiveness. Mister Transmission St. Thomas ensures proper fluid levels and quality, helping prevent wear, overheating, and costly transmission damage.

  • What are signs I need transmission maintenance? +

    Common signs include delayed shifting, unusual noises, fluid leaks, or reduced performance. If you notice any of these issues, Mister Transmission St. Thomas can perform a detailed inspection to diagnose and resolve problems before they worsen.

  • Can transmission maintenance prevent major repairs? +

    Yes, regular maintenance helps identify minor issues early and prevents them from developing into major transmission failures. Mister Transmission St. Thomas’s preventative service approach saves time, reduces costs, and improves long-term vehicle reliability.

View All FAQs
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Customer Reviews
They got me in and...
Owen Findlay
They got me in and out fast, gave me good amount of knowledge and explained to me that my transmission seems to be fine and I’m just due for a service! Good people in there definitely give it a try!
Date: July 2, 2026
Website: Google
They communicated frequently about the...
Kim Masur
They communicated frequently about the progress with our vehicle. They were also able to accommodate us when our issue happened after they closed. Very appreciative of their service! Thank yo
Date: June 27, 2026
Website: Google
Had to get my transmission...
Aidan Hennebry
Had to get my transmission redone on my 2017 Dodge Grand Caravan at 140k clicks. Sucked. My local shop quoted me a little over $8,000 for the repair. I decided to call around. Mister Transmission gave me tons of information, answered my billion questions (even before I'd committed to becoming a customer), were prompt in getting my van dealt with, and even gave me better parts than my local shop had quoted me for... all for $6,500. How they did all of that for cheaper than my first quote I do not understand (other than the fact that: They are the only transmission shop in town, and all other shops would just bring transmission rebuilds over here). 10/10 would return to in the future (but hope not to have to). Can't recommend them enough. Mark and the gang: Thank you guys for the incredible service.
Date: June 23, 2026
Website: Google
Moved across country and seen...
Mourad Ja
Moved across country and seen a lot of shady mechanics been going here for a few times and they deserve this 5 star, very honest, knowledgeable and quick to resolve issues. Even with costs going up they are reasonably priced!! Thank you again G37
Date: June 22, 2026
Website: Google
Very expensive
Todd Bailey
Very expensive
Date: June 17, 2026
Website: Google
Thanks for helping with our...
Tammy Vink
Thanks for helping with our daughter’s car! Your team was super kind and we really appreciate the options for moving forward.
Date: June 11, 2026
Website: Google
Amazing service and quality. Mark...
Tran Linh
Amazing service and quality. Mark is the best!
Date: June 11, 2026
Website: Google
I'll return to this mechanic....
Lisset Acuña
I'll return to this mechanic. He is honest and straight up to the point. Awesome service!
Date: June 5, 2026
Website: Google
I’m very pleased with my...
Denielle Tooley
I’m very pleased with my experience at this shop! I brought my beloved Mustang here for a transmission rebuild. They were very helpful in explaining the process to me, communicating with the warranty company on my behalf, and keeping me updated on timelines without me having to ask for updates. I was delighted to pick up my vehicle and see they had gone above and beyond by washing it and putting some gas in it! All the staff I spoke to were pleasant and easy to work with. Mark took the time to explain things to me and ensured my full understanding throughout the process. I was encouraged to come back in about a week and a half for a final check up/inspection at no cost, which makes me feel even better about their confidence in their work.
Date: June 5, 2026
Website: Google
Mark was absolutely fantastic to...
Jeremy Bakker
Mark was absolutely fantastic to deal with, incredibly knowledgeable, and very reasonable prices. I will continue to use Mr. Transmission for any future repairs. Thanks again Mark!
Date: April 10, 2026
Website: Google
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