The Lube Clinic Drive-Thru Oil Change
“I would recommend this place, everyone is made to feel welcome there.”
Best Transmission Repair Shops near St. Thomas, ON
2 of these mechanics are based in St. Thomas; the others serve St. Thomas from London (24 km) and Aylmer (17 km).
2 open weekends · all 15 rated 4.5+
Data verified October 16, 2026
Knelsen Auto Repair
“I have had my radiator replaced, knock sensor checked, all fluids replaced, shocks, struts, CV boot repaired after determining a replacement wasn't necessary, a portion of my tail pipe welded, oil changes, and so on.”
M RIK Automotive Werks LTD
“I brought my BMW 328i here for an engine rebuild and to fix a couple of other issues, and I couldn't be happier with the results!”
Wilson Transmission
“I would recommend to try this place before you go to any other shops.”
5 & 10 Auto Repair
“Got my oil changed and both the cabin and engine air filters replaced.”
Bre's Auto
“All other places I called couldn't get me in for a couple weeks and you hooked me up in 3 days.”
Listed for drivers in and around St. Thomas, ON, these 15 shops work on transmissions. What each one says about rebuilds, warranty terms and the brands it handles comes from its own website; ratings and quotes come from public reviews.
Area overview: St. Thomas, ON
The 15 mechanics on this page are rated from 4.5 to 5.0 across 2,095 reviews; 10 have 50 or more reviews. The topics that come up most in reviews of the mechanics on this page are "price", "professional" and "fair". 2 are open on Saturdays. 1 is family- or locally-owned. We have a website on file for 4 of the mechanics on this page; 1 publishes a contact page and 1 lists a public email. We count these figures across the mechanics on this page; distances are straight-line, and hours and prices change, so confirm the details with the mechanic before you visit.
Shawn's Auto Repair
“The service was excellent, the work was done properly, and they truly went above and beyond to make sure everything was taken care of.”
Jim's Auto Service
“Let's face it, no one enjoys paying for car repairs, but when you need to do it, take your vehicle to a place that will treat you with respect & honesty.”
Adelaide Motors Sales & Repairs Inc
“The pricing was fair, and they didn't try to up sell unnecessary work — which I really appreciate and their honesty”
Clark Auto Service & Tire Repair
“Honest, let me know about issues that need to be addressed, most I was aware of, but did not pressure me to do it immediately.”
Auto Master
“Ahmad and his team are amazing to deal with and I highly recommend them to anyone looking for great service!”
Adelaide Collision Inc.
“My car met with an accident near his shop and he helped me with everything from there on.”
Laidlaw Fleet & Auto Service
“Not pushy, will let you know what you need and what may need to be done down the road.”
Excellent Performance
“I trust the staff with my Audi, they are always honest about the repairs and fair prices.”
Duff's Garage
“I was very happy with the work and I'll be back in the future for more work if needed.”
Why these companies made our list
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