St. Catharines Rating 4.9/5 - 125 Reviews

Mister Transmission Team

The Mister Transmission team consists of certified transmission specialists with decades of combined experience in diagnosing, repairing, and maintaining automatic and manual transmissions.

With over 60 years of service across Canada, our experts provide trusted, accurate, and up-to-date automotive advice to help drivers make informed decisions about their vehicles.

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(4.9/5 - 14,384 Reviews)

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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.

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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

Tym Swanson

I brought My SUV in for what I thought was a transmission issue. They took the time to test drive it, and they figured out it was not a transmission issue. It was actually in my engine. Jordan Told me there was no charge for what they had done and recommended a shop for me to have it looked at. I would trust them 100% if I have transmission issues in the future. I sent my neighbor over to get his fluid serviced!!

Date: October 9, 2026

Website: Google

Had truck issues and they...

Karllon Jmaeff

Had truck issues and they fixed the problem in a timely manner. Eric, Jake and Gordon were very pleasant to deal with and informative.

Date: October 3, 2026

Website: Google

Very nice staff. They work...

Paula Bastien

Very nice staff. They work with you. They tell you how long it will take and they stick to their schedule. Price was actually less than the estimate.

Date: August 14, 2026

Website: Google

Jordan from Mister Transmission is...

Kris Grude

Jordan from Mister Transmission is fantastic, patient over the phone, got my parents car in faster than any other shop could. Service was very swift and was able to communicate over the phone very well. Very fairly priced service for a transmission control module replacement, highly recommend for anyone looking for transmission work in the Niagara region.

Date: June 5, 2026

Website: Google

Great experience and service at...

Alyssa Enns

Great experience and service at Mr T. They are honest about what needs to be fixed and efficient.

Date: June 1, 2026

Website: Google

Very happy with the work...

Dana Emilson

Very happy with the work tranny service done on time same day would recommend them anytime. Very knowledgable on my truck new filter in new transmission fluid .Thanks for excellent service.

Date: May 22, 2026

Website: Google

I took my Nissan Rogue,...

Andrea Hernández

I took my Nissan Rogue, thinking that it would need a full repair in the transmission. They drove the vehicle, tested and told me no fix was needed. I was amazed. Zero cost. I will take my car to do the fluids and filters. I feel happy to find and honest transmission expert.

Date: April 2, 2026

Website: Google

No.1 on my list

Langis

No.1 on my list

Date: March 28, 2026

Website: Google

No.1 on my list

Langis

No.1 on my list

Date: March 28, 2026

Website: Google

No.1 on my list

Langis

No.1 on my list

Date: March 28, 2026

Website: Google

Recent Blogs

Transmission Shop Near Me: What To Check...

Before you book a transmission shop near you, check that it specializes in transmissions, offers a...
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August 28, 2026

Transmission Rebuild Vs Repair: Which Op...

A transmission repair fixes one specific failed part, while a rebuild takes the transmission apart and...
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August 21, 2026

Transmission Replacement Process: What H...

During a transmission replacement, the shop diagnoses the failure, removes your old transmission, installs a new...
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August 14, 2026

Common Transmission Repair Issues And Ho...

The most common transmission repair issues are slipping gears, faulty solenoids, fluid leaks, failing torque converters,...
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August 07, 2026

Transmission Service Vs Repair: Key Diff...

Transmission service is routine maintenance that keeps a healthy transmission running well, mainly fluid changes and...
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July 31, 2026

Transmission Oil Change: How It Helps Im...

A transmission oil change, which is another name for a transmission fluid change, replaces the worn-out...
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July 23, 2026

Transmission Fluid Change: Signs Your Ve...

Your vehicle needs a transmission fluid change right away if the fluid is dark or smells...
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July 15, 2026

Transmission Rebuild Explained: When It ...

A transmission rebuild means taking your transmission apart, replacing the worn or damaged internal parts, and...
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July 07, 2026

Transmission Service Guide: Why Regular ...

Regular transmission service, mainly fluid checks and changes plus periodic inspections, keeps your transmission cool, clean,...
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June 29, 2026

Transmission Replacement: How To Know Wh...

You likely need a transmission replacement when the unit has failed internally and widely, when a...
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June 22, 2026