Transmission Repair & Service Pickering, 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.

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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
I was awfully disappointed to...
Todd Button
I was awfully disappointed to find out my car needed a new transmission after only 155,000 km from my local mechanic. I was in shock when initially quoted $6500 for a new transmission. I did not waste any time picking up the phone and shopped around only to find out that most, if not all, auto repair shops send the cars out to Mr Transmission when transmission work is required. Cut the middle man out and saved huge !I cannot say enough about the professionalism and superior customer service from Ken and Chris. They kept me up to date every step of the way when they had difficulty sourcing parts from different provinces and states and were very apologetic for things beyond their control. They went above and beyond with a personal loaner car due to the delays until I was able to get my car back. Great father and son team running this shop and I would not hesitate to recommend them to any poor soul who needs a transmission.
Date: June 13, 2025
Website: Google
Very nice friendly people and...
Raj Jammu
Very nice friendly people and I did take my car videw time .. they help you out !! Quickly... best transmission in pickering
Date: June 12, 2025
Website: Google
Just got my vehicle back...
Travis Watts
Just got my vehicle back from Ken and Chris at Mister Transmission. These guys are fantastic. Fixed my vehicle the same day and for the estimated amount Ken thought it would be (after telling him the issue I was experiencing). Ken even came to pick me up when the vehicle was ready. Above and beyond customer service! Keep up the great work guys. You certainly have my business.
Date: May 29, 2025
Website: Google
You got love Ken, very...
Abu Manal
You got love Ken, very nice guy
Date: April 29, 2025
Website: Google
While on vacation our transmission...
David Janiszewski
While on vacation our transmission failed as soon as we arrived from Ohio. Ken and team sourced a transmission, stayed after hours and Ken himself came in on a holiday morning so we could drive our car home rather than me having to drive back 6 hours one way the following week.Communication throughout the process was excellent and the customer service was second to none. Highly recommend this shop. Excellent experience over all.
Date: April 20, 2025
Website: Google
Great guys, never had an...
Ashley Wilson
Great guys, never had an issue here, friendly staff that know what they are doing 👍
Date: April 15, 2025
Website: Google
I want to give a...
Sabeen Vasti
I want to give a big shoutout to Mr. Transmission Pickering for the excellent work on my vehicle. I had an issue with the left rear bearing, and Ken, their experienced technician, quickly got to the root of the problem with a spot-on diagnosis. His expertise and attention to detail really showed throughout the repair process. The car is running smoothly now, and I couldn’t be happier with the service. Highly recommend them for anyone looking for trustworthy and knowledgeable automotive care!
Date: April 11, 2025
Website: Google
I had the pleasure of...
Stefan M.
I had the pleasure of working with Chris after my transmission started giving trouble. The error code was pointing to my solenoid, but they had enough experience to know that it was the TCM instead. They got the part for me and swapped it out the same day.Very friendly service.Experienced.Highly recommend.
Date: April 10, 2025
Website: Google
Chris was great. Honest and...
Colin Clarke
Chris was great. Honest and upfront, no complaints!
Date: January 25, 2025
Website: Google
This is the location in...
Jihad Mustapha
This is the location in Pickering, ON, I love honesty, and the owner is not only honest but polit too, he will check your car transmission, tells exactly what you need, and the cost, no pressure, after I took my car to check the transmission at this location, I really won't go to any other place, and I really recommend this place
Date: January 14, 2025
Website: Google
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