Tranz Tech Transmission Spec
“I came to them with a problem & they fixed it above & beyond my expectations & I just cant thank them enough.”
Best Transmission Repair Shops in Dubuque, IA
10 mechanics listed · 4 in Dubuque · 8 rated 4.5+
Data verified October 17, 2026
Schueller Automotive
“(Hybrid engine) Steve knew exactly what was wrong with my car over the phone based on his knowledge and experience.”
Slaats Auto Repair
“He knows we have a large family and he's ALWAYS made sure we had a safe working vehicle.”
A & B Automotive Center & Sales
“Diagnosed my truck same day I took it in then did not even charge me also gave me a ride home highly recommend”
Demaio's Repair
“He's quickly become my go-to mechanic for his fair prices, honesty, and quality work.”
Trace Automotive Repair Inc
“Trace Auto has been really helpful with us for a while, they are very good at what they do and they have great costumer service.”
Listed for drivers in and around Dubuque, IA, these 10 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: Dubuque, IA
Of the 10 mechanics we list here, 4 are in Dubuque itself and 6 come from towns including Platteville, WI (2, 20 mi), East Dubuque, IL (1, 3 mi) and Potosi, WI (1, 12 mi). The mechanics on this page are rated from 4.2 to 5.0 across 458 reviews; 3 have 50 or more reviews and 8 are rated 4.5 or higher. 1 lists staff certifications (ASE) and 3 have a BBB rating of A or A+. 4 have ten or more years of experience, the longest 44 years. 2 are family- or locally-owned. We have a website on file for 4 of the mechanics on this page; 4 publish 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.
Do years in business matter for transmission work?
Ten or more years in business is claimed by 4 of the 10 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.
Berthel Built Transmissions
“He has helped me more the once and even took the time to help over the phone when he had absolutely nothing to gain”
Thill's Transmissions
“Lonnie is very knowledgeable in all Transmissions, I would highly recommend his shop to anyone needing transmission service.”
Auto Tech Inc
“They put me in as soon as I got there so I could keep my business running”
Al's Auto Service
“I've had the pleasure of working with Al's Auto Service for 20+ years, and I can confidently say that they are one of the most trustworthy and respectful auto shops in the area.”
Why these companies made our list
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