Transmission Repair & Service Belleville, Ontario

Pinpointing the exact cause of any transmission problem takes skill, knowledge, and investigation

The evolution of transmissions has made these machines and systems increasingly complex. When transmission repairs are required, determining the cause and cure for what ails can be tricky. Why? Because transmissions have become remarkably complex and computerized and that presents both advantages and disadvantages. On one hand, transmission performance has become noticeably better in all vehicle makes and models. On the other, the increased complexity and digitization of transmission systems has made repair work a highly technical and complicated affair.


As you can imagine, there are different types of transmission repair jobs and options you can choose from depending on the nature of your vehicle’s breakdown. Understanding what those options are can help you make informed decisions when faced with a choice of transmission repairs to weigh.

A Repair for Every Type of Transmission Malfunction

Some transmission repair work is straightforward and mechanical in nature. Other times, it’s a combination of mechanical and electronic engineering that’s required to get your car back on the road. The most common types of repair work include:

  • Adjustments and in-car repairs. Most minor repairs are simple matters that are done without removing the transmission from the vehicle. If yours is a computer-controlled transmission that is not shifting properly, it is often the result of a computer sending incorrect signals due to a faulty sensor, or the transmission is not reacting to the command because of a bad connection or defective solenoid pack. If a non-computer controlled transmission is shifting too early or too late, it may require an adjustment to the throttle cable. If the vehicle has a vacuum modulator instead of a throttle cable, there is an adjustment that can be made using an adjustment screw in some designs. In vehicles with modulators, however, it is important to ensure there are no vacuum leaks and that the engine is running at peak efficiency.
  • Reseal jobs. A transmission is re-sealed to repair external transmission fluid leaks. If you see spots of red oil on the ground under the car, your transmission may need a re-seal job. To check a transmission for leaks, a technician will put the vehicle on a lift and examine the unit for signs of oil leaks. If a leak is spotted at any of the external seals or gaskets and the transmission otherwise performs well, the technician will most likely recommend that the transmission be re-sealed. Most of the external seals can be replaced while the transmission is still in the car but, if the front seal must be replaced, the transmission must first be removed from the vehicle to gain access to it.
  • Replacing accessible parts. There are a number of parts that are accessible without requiring the removal of the complete transmission. The parts that are accessible, however, vary from transmission to transmission and most transmission repair facilities would hesitate to provide meaningful warranties on external repairs for the simple reason that they cannot see if there are any additional internal problems in the components that are only accessible by transmission removal.
  • Complete overhauls. Also known as “rebuilding a transmission”, a complete overhaul involves the removal and disassembly of the transmission in its entirety. Every part is inspected for wear and damage, then cleaned in a special cleaning solution, or replaced with another part depending on its condition. Parts that have friction surfaces, such as bands and clutches are replaced as are all seals and gaskets. The torque converter is also replaced, usually with a remanufactured one. Technical service bulletins are checked to see if the auto manufacturer recommends any modifications to correct design defects that were discovered after the transmission was built. Automobile manufacturers often make upgrade kits available to transmission shops to resolve these design defects.

Replacing or Overhauling a Transmission

When a transmission requires an overhaul, there are two options that you may have. The first is to remove your existing transmission and overhaul it, then put the rebuilt unit back in your car. The second option is to replace your existing unit with another unit that has already been rebuilt or remanufactured.

A word to the wise: replacing your transmission with a used one may not be your best option. Used transmissions often have questionable histories that could create a whole new set of challenges. New transmissions, meanwhile, are mostly aftermarket transmissions billed as new but are in fact rebuilt transmissions with new parts.

The cost of the repair is always top-of-mind and understandably so. Transmission repairs are usually unexpected (and unwelcome). The cost varies depending on the outcome of our diagnostic testing, and we will help you to understand the various factors that come into play. We also offer our customers flexible payment options.

Whichever route you choose, you can trust our transmission experts to get you and your car back on the road.

Visit Mister Transmission for an assessment on what transmission repairs you may need. Contact the Mister Transmission service centre nearest to you.

Featured Services
Transmission Repair

The evolution of transmissions has made these machines and systems increasingly complex. When transmission repairs are required, determining the cause and cure for what ails can be tricky.

Learn More
Transmission Technology

At Mister Transmission we have access to leading-edge diagnostic equipment, enabling us to offer you the fastest and most accurate findings about what’s going on inside your vehicle’s transmission.

Learn More
Transmission Maintenance & Service

Just as you have other parts of your car serviced, your transmission needs maintenance to ensure a long life and avoid transmission problems.

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Customer Reviews
My parents just had their...
Shawn Irvine
My parents just had their transmission & control arms replaced here. Barry, the Owner/Operator, was amazing to work with. He worked hard to provide us with as many options as possible to keep the pricing manageable, while also trying to ensure they had a usable vehicle in a timely fashion. I spoke with him frequently and he was always transparent on what he was seeing, and where things stood. If ever I, or my parents, have another issue with a transmission, we agree this will be the first place we call.
Date: May 4, 2023
Website: Google
Amazing! Barry is very honest...
Sierra Mathers
Amazing! Barry is very honest with his customers and very reputable. Very knowledgeable. Will be back!
Date: May 4, 2023
Website: Google
This shop saved me and...
Freezer Refrigerator
This shop saved me and my vehicle a lot of headache. They did a fast superb transmission repair. They answered all my questions and really gave me the confidence back in my vehicle after a quick, well priced repair. I couldn't be happier thanks again guys for your service.
Date: April 12, 2023
Website: Google
Service was performed professionally an...
TOM MUSGRAVE
Service was performed professionally an work was done in couple days so the truck could be back on road.. thx barry an team..
Date: February 24, 2023
Website: Google
Great people and service.
Michele Vance
Great people and service.
Date: December 8, 2022
Website: Google
I called another transmission shop...
Fred Howitt
I called another transmission shop before Mister Transmission & was told maybe on 3 weeks. Mr. T got me in on Monday & my truck was ready Thursday morning. Very good & friendly service. I would use their services again.
Date: November 4, 2022
Website: Google
I contacted them on Friday,...
Janice Campbell
I contacted them on Friday, just after closing hours, and was surprised to get an answer on the phone. Arranged to have my vehicle towed for arrival on Monday and on Tuesday afternoon, it was repaired. Excellent service! Thank you! Highly recommend!
Date: August 30, 2022
Website: Google
Excellent customer service! Friendly and...
Lindsay R
Excellent customer service! Friendly and reliable! Great work! Would highly recommend them!!
Date: August 8, 2022
Website: Google
Amazing service I will always...
Keagan Rodgers
Amazing service I will always take my vehicle there I swear by them and they are always honest with youService: Steering & suspension repair
Date: July 6, 2022
Website: Google
What a great experience! Very...
Christina Holley
What a great experience! Very experienced, honest, and to the point. They were able to book me in for the very next day even though everyone else in town was too busy to see me and not only did they squeeze in an engine diagnostic to see what the problem was, they were able to make a quick repair right there while I waited and had me on my way for minimal cost. I was very pleased with the entire experience and will 100% go back to them with any future vehicle issues.Service: Auto engine diagnostic
Date: June 3, 2022
Website: Google
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