Gab Eurosport
“They repaired my Touareg and it's not an easy vehicle lol 👏 …”
Best Transmission Repair Shops in L'Assomption, QC
15 mechanics listed · 7 in L'Assomption · 2 open weekends · 12 rated 4.5+
Data verified October 18, 2026
Look d'Enfer Inc. Garage et Mécanique Générale
“Good service, friendly and trustworthy team.”
Centre De l'Auto l'Assomption
“Thank you so much you're doing a great job.”
Benoit Mecanique General Inc
“Very good service and reliable mechanic 😁 …”
Martel Simon
“Simon is the most honest mechanic I know :)”
Garage Normand Hamel
“He has been our family's mechanic for over 20 years.”
Listed for drivers in and around L'Assomption, QC, 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: L'Assomption, QC
7 of the 15 mechanics we list are based in L'Assomption; the other 8 serve L'Assomption from towns including Repentigny (12 km), Mascouche (17 km) and Charlemagne (13 km). The mechanics on this page are rated from 4.1 to 5.0 across 1,149 reviews; 11 have 50 or more reviews and 12 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (92%), value (77%) and quality (69%). 2 are open on Saturdays. 7 have ten or more years of experience, the longest 17 years. 3 list coupons or special offers. We have a website on file for 8 of the mechanics on this page; 6 publish a contact page and 6 list 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.
Do years in business matter for transmission work?
Ten or more years in business is claimed by 7 of the 15 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.
Garage Andre Lafortune
Girard Automobile
“Thank you Daphné for your help and excellent service.”
Alignement Claude Pneus et Mécanique
“Very good service and good price.”
Garage Apex Mécanique
“Guys passionate about big engines who work quickly and well.”
The Pros Garage
“Jerlys and Yvan are both very kind and accommodating to their customers.”
Atelier de Service Automobile H.p.e.
“Are very satisfied with the good service thank you!!”
Centre du Pneu de Repentigny
“Courteous and professional and fast service.”
Mascouche Auto Centre 2012 Auto Value Centre de Service Certifié
“The owner Sylvio is very professional and takes the time to explain things well.”
Garage B L Auto Service
“Boucher gave me the facts about the costs and lent me a car for the duration of the repairs.”
Why these companies made our list
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