Renaissance Motors
“The first time I went there they diagnosed the situation and fixed the most critical part needed that I could afford.”
Best Transmission Repair Shops in Slidell, LA
15 mechanics listed · all 15 in Slidell · 2 open weekends · 13 rated 4.5+
Data verified October 16, 2026
Pro-Auto Repair
“Have had our truck back for almost a month and it's runs great!”
Prestige Auto Works LLC
“The guys at Prestige Auto Works have always been great to work with and knowledgeable not only on Mopar but all brands.”
St Tammany Transmission
“He diagnosed my car problem quick and was even nice enough to drive my car to my dad's house ( I was on vacation).”
Allen's Automotive & Alignment
“Don't know much about cars but when something goes wrong, I trust Allen!”
Rusty Knuckle Garage
“Just want to thank the awesome team at the Rusty Knuckle for a great tune and a amazing experience!!!”
Listed for drivers in and around Slidell, LA, 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: Slidell, LA
All 15 mechanics we list here are in Slidell itself. We have 16 mechanics in Slidell on file; this page shows the highest-rated 15. The mechanics on this page are rated from 4.2 to 5.0 across 955 reviews; 7 have 50 or more reviews and 13 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price", "diagnosis" and "fair". 2 are open on Saturdays. 2 have a BBB rating of A or A+. 6 have ten or more years of experience, the longest 75 years. 1 offers financing; 1 gives free estimates; 2 are family- or locally-owned and 1 lists coupons or special offers. 1 has Spanish-speaking staff. We have a website on file for 5 of the mechanics on this page; 5 publish a contact page; 1 lists a public email and 1 takes 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 6 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.
Auto Master
“John and Jamie are personable, honest hard working couple with excellent service on my BMW, MB and American Cars....”
Guzman's Automotive
“One of the best mechanics I've ever met, and very fair pricing.”
After Hours Mechanic
“Great shop top notch work, very honest people.”
Brister's Auto Repair
“Great service and a reasonable rate highly recommended.”
Roussell Automotive
“Honest, professional, great service and fair pricing.”
4dhpclub
“Awesome service definitely happy with the outcome of my truck!”
Clowning Around Kustoms
“Got me in and out quickly.”
Simmons Collision
Pro Tech Automotive
“No problem great work done not a long wait”
Why these companies made our list
What customers say about mechanics in Slidell
- “Everything was done in a timely manner and they took time to review my concerns after leaving.” — customer of St Tammany Transmission
- “Cory is the owner/manager, and he and his staff were beyond professional, and did everything they could to help us and keep us informed of delays.” — customer of Renaissance Motors
- “Shawn, Jayson and their staff were able to replace my transmission for the quoted price as well as other services that were needed.” — customer of Pro-Auto Repair
Excerpts from public reviews of the mechanics listed on this page.
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