Doug's Auto Repair
“Doug's turned out to be the perfect choice, they were knowledgeable and honest and described exactly what the car needed fixed right away for a safety certification and what should be addressed in the near future.”
Best Transmission Repair Shops in Nepean, ON
24 mechanics listed · 8 in Nepean · 4 open weekends · 22 rated 4.5+
Data verified October 18, 2026
Mazen Spark Auto Service
“He is always right on time with my appointments and has even serviced my vehicles when I had emergency issues and got my vehicles back on the road quickly with nothing but professionalism in his work.”
Erwin's Automotion
“Prices are very reasonable and they stand behind their work to make sure the customer is informed and satisfied.”
VIP Autocare
“Have always been extremely pleased with the excellent service, care and workmanship they have provided when making repairs to the body and operating parts of our vehicles.”
Bassi Automatics
“THE shop to go to if your automatic transmission needs love, be it a daily driver, weekend warrior, or full dragstrip monster.”
H & D Lytle Service Station Ltd
“They squeezed us into their busy schedule and fixed the issue with our car.”
Listed for drivers in and around Nepean, ON, these 24 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: Nepean, ON
8 of the 24 mechanics we list are based in Nepean; the other 16 serve Nepean from Ottawa and Gatineau, QC. The mechanics on this page are rated from 3.9 to 5.0 across 2,588 reviews; 19 have 50 or more reviews and 22 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price", "honest" and "professional". 4 are open on Saturdays and 1 on Sundays. Domain records put 8 websites of the mechanics on this page at ten or more years old; the oldest dates from 1999. 1 offers financing; 2 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for 15 of the mechanics on this page; 9 publish a contact page; 9 list a public email and 2 take bookings online. We count these figures across the mechanics on this page; hours and prices change, so confirm the details with the mechanic before you visit.
Do years in business matter for transmission work?
Ten or more years in business is claimed by 8 of the 24 shops here. Rebuild quality is hands-on skill, and a shop that has been in one place a long time is easier to hold to a warranty. It is what their listings state, not a guarantee.
Pantuso Automotive Ferrari & Maserati Service
“He spoke to me on the phone for an initial call, took all of my needs into consideration and gave me white glove service.”
Carz Doctor
“Excellent service, I'm so pleased to bring my car to be fixed up.”
Autoxtrëm
“One year has passed, and I am still very satisfied with the work they have done and can enjoy a well-tuned Volkswagen.”
B&N Transmission
“They did a great job, very impressed with the quality of work as well as the amazing service experience.”
Lorelli Service Centre Ltd
“Was having a bad day with a flat tire and their service was a breath of fresh air.”
Jiffy Tire AND Lube Express
“They were able to do an inspection of the tire, order and replace the tire in a very timely manner.”
McCarthy Automotive
“And they were among the few automotive repair shops in the area who would help during the week before the Christmas break.”
Precision Auto Tech
“They took the time to explain exactly what was wrong with the vehicle and made me feel very comfortable which doesn't always happen as a female who requires a mechanics help.”
Metric Auto Service
“They squeezed me in when I was stuck in Ottawa and needing to get on the highway.”
Carlsbad Auto Service
“Went there to swap batteries just before close and they were helpful and very fair with cost.”
Diagtech Automotive
“He's our go to guy from now on, also referred all my colleagues as well...”
Jad Autoworks Inc.
“They fixed my car in the most professional way and I would highly recommend them.”
Dakota Automotive
“It's not often that you get to say such complimentary words about a vehicle repair shop, but I have complete confidence in these guys and don't hesitate to recommend them to anyone.”
Garage Martin Arseneault
“He was very professional and did a fantastic job without charging me very much!”
TKK Automotive Inc.
“I highly trust the advice they give me; able to work on virtually any model of vehicle”
Auto Place
“They only do what needs to be done.”
Raymond's Body Shop
“Sang is friendly and courteous and a real pleasure to do business with.”
A-1 CV Tech Essieu Axle
“Excellent company to work with, willing to take the time needed to develop custom axles and make adjustments until they were perfect.”
Why these companies made our list
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