Transmission Repair & Service Orangeville, 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.

Learn More
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Customer Reviews
I needed a quick turnaround...
Peter Dowdle
I needed a quick turnaround as l was going to Newmarket on a daily basis and Carlos didn't let me down. The service was superb and the work excellent. I would highly recommend Mr. Transmission Peter
Date: April 12, 2024
Website: Google
I came in one day...
A P
I came in one day just to ask for some advice and he helped me out a lot.
Date: April 10, 2024
Website: Google
Carlo is awesome. Would highly...
Nick Gallant
Carlo is awesome. Would highly recommend to anyone
Date: April 8, 2024
Website: Google
Carlos is amazing, very friendly...
Jewell Spencer
Carlos is amazing, very friendly & helpful. Great team of people highly recommend
Date: March 2, 2024
Website: Google
The owner of this location...
Emile Dalaire
The owner of this location is kind courteous and knows is stuff, I’ve brought 2 of my fleet vehicles and he had them back on the road within days. Thank you !
Date: January 17, 2024
Website: Google
Accurate, precise and honest. Those...
Mike Melo
Accurate, precise and honest. Those are the first words that come to mind when I think of Carlo and his work at Mister Transmission in Orangeville. Thanks for everything Carlo.
Date: December 7, 2023
Website: Google
My boyfriend had this on...
Stephanie Da
My boyfriend had this on going problem with his car that no other mechanic knew how to fix!! We brought it mister transmission and owner is an amazing person!! He figured out what was going on and had it fixed within a day! This a truly amazing place will be coming back here more times!
Date: March 22, 2023
Website: Google
Fast, friendly, efficient! Came in...
SHELDON Tipple
Fast, friendly, efficient! Came in with a blown. Clutch. He got me in Same day and had my truck back to me in a few days! Definitely recommend this guy to anyone in the arena that needs transmission work! 👍🏻👍🏻
Date: January 28, 2023
Website: Google
Amazing Service, took Vehicle in...
Scott Dixon
Amazing Service, took Vehicle in for what I thought was Transmission issue but Carlo and his Team diagnosed a bad spark plug. They got vehicle in right away and repaired, but the best part of Service was Carlo calling after I picked up Vehicle to ensure everything was good. Best service I have ever had had! Keep it up Carlo and Team!!!
Date: December 14, 2022
Website: Google
I can not say enough...
Glenn Norman
I can not say enough about the SUPERB service performed by Carlo & his team. After MONTHS of "dead-end treatment" by other independent mechanics, our Honda Accord's clutch problems were FINALLY solved quickly, professionally, and in a friendly, positive manner. We HIGHLY recommend Mr. Transmission in Orangeville to anyone looking for repair work they can TRULY trust. FIVE STARS. (Wish I could give more.)
Date: December 8, 2022
Website: Google
Transmission Service
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