JBS Auto Service
“Their technical knowledge and skill always provides for a fast and efficient experience…and, I couldn't be more pleased with the fair pricing.”
Best Transmission Fluid Change & Flush in Simi Valley, CA
15 experts listed · 14 in Simi Valley · 5 open weekends · 14 rated 4.5+ · 2 show a license
Data verified October 16, 2026
Bj's Automotive
“Not only did they do what our car needed, but they went the extra mile to reinstall the fog lamp cover that was missing without us asking them to fix it.”
Schneider's Automotive
“While no one likes dealing with car repairs, going to Schneider's has been a great experience.”
Perry's Quality Auto Repair Shop & Mechanic
“They were professional, friendly,and went the extra mile.”
Bill's Quality Auto Care
“Super friendly staff, honest, affordable, explains in detail what your car needs...”
Oil Changers
“Two of the crew that serviced my vehicle were training, but they were guided by more experienced members, and completed their tasks with quality and timeliness.”
Listed for drivers in and around Simi Valley, CA, these 15 shops change and flush transmission fluid. What each one says about fluid brands, filters and pricing comes from its own website; ratings and quotes come from public reviews.
Area overview: Simi Valley, CA
14 of the 15 experts we list are based in Simi Valley; the other one serves Simi Valley from Westlake Village (10 mi). The experts on this page are rated from 4.0 to 5.0 across 4,031 reviews; 12 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the experts on this page are "price", "diagnosis" and "fair". 5 are open on Saturdays and 2 on Sundays. The services the experts on this page list most often on their websites are brake repair (2), car wash (2), clutch repair (2), oil change & fluid services (2) and state inspections (2). 2 show a license on their websites; 2 list staff certifications (ASE) and 7 have a BBB rating of A or A+. 14 have ten or more years of experience, the longest 55 years. 4 offer financing; 2 are family- or locally-owned and 8 list coupons or special offers. 1 has Spanish-speaking staff. We count these figures across the experts on this page; distances are straight-line, and hours and prices change, so confirm the details with the expert before you visit.
Can I book a fluid change online with shops listed for Simi Valley?
An online booking link appears for 4 of the 15 shops. Give them the year, make and model when you book, because the fluid has to be on the shelf and some specifications are ordered in rather than stocked.
Oil Changers
“Tyler and Carlos were both very pleasant to work with and they did a thorough job with my car and checking my lights my back up lights etc.”
The German Auto Doctor
“Dave is extremely professional and knowledgeable.”
Simi Lube & Oil
“Incredibly fast, professional, goes out of their way to make sure you are happy.”
A & D Automotive Inc
“Calm and able to explain what the problems are with your car and I like to come here because they are fair with their prices.”
German Auto Specialist
“Fantastic service, l'm very happy and satisfied with amazing service and price l thank you for fixing my car, l'm so happy thank you 😊 …”
Todd's Car Connection
“Todd is Fair, has Great Prices, Fast Repairs and Great Work Ethics.”
Mike Willard Automotive
“Excellent, professional, friendly and fair priced.”
Stevies Garage
Westlake Independent Automotive
“Honest, reasonably priced, consistent high-level service each and every visit.”
Why these companies made our list
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