JBS Auto Services
“The gentlemen were great; they found the issue and send me an estimate via text right away.”
Best Transmission Repair Shops in Simi Valley, CA
12 mechanics listed · all 12 in Simi Valley · 3 open weekends · 11 rated 4.5+ · 2 show a license
Data verified October 16, 2026
Schneider's Automotive
“They make you feel like a priority and like you are part of the family.”
Bill's Quality Auto Care
“Always fair informative honest and don't try to force you in to any repairs.”
Perry's Quality Auto Repair
“Very honest Great price first service their jobs most people recommend it highly”
A & D Automotive Inc
“They are the best, fixed my problem and got me back on the road quickly, a 5 star business”
German Auto Specialist
“David has helped me several times and has always taken care of me expeditiously and with the utmost respect.”
Listed for drivers in and around Simi Valley, CA, these 12 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: Simi Valley, CA
All 12 mechanics we list here are in Simi Valley itself. We have 14 mechanics in Simi Valley on file; this page shows the highest-rated 12. The mechanics on this page are rated from 4.4 to 5.0 across 1,644 reviews; 5 have 50 or more reviews and 11 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise value (90%), professionalism (86%) and quality (86%). 3 are open on Saturdays. The services the mechanics on this page list most often on their websites are brake repair (2), clutch repair (2) and transmission repair (2). 2 show a license on their websites; 2 list staff certifications (ASE) and 4 have a BBB rating of A or A+. Domain records put 8 websites of the mechanics on this page at ten or more years old; the oldest dates from 2002. 2 offer financing; 1 is family- or locally-owned and 4 list coupons or special offers. We have a website on file for 10 of the mechanics on this page; 8 publish a contact page; 2 list a public email and 3 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 10 of the 12 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.
Specialty-z
“I meet the owner Sebastian really nice guy and I gained more knowledge about GTR which is a plus.”
Todd's Car Connection
“The owner is a great mechanic , his staff is awesome .”
Mike Willard Automotive
“I would highly recommend that you take your vehicles with any problems they may have or routine maintenance.”
Asian Autoworks
“Work has always been completed in a timely way which has made me a repeat customer for both our cars.”
JP Auto Repair
“He's an honest guy and always makes sure the job is done right.”
U Pay Less Auto Repair
“Great place and great service I recommend it”
Why these companies made our list
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