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Timberwood Lube
“Their ability to handle different types of vehicles with the same level of skill and attention to detail is a significant plus, making it a go-to place for many vehicle owners.”
Best Transmission Fluid Change & Flush in San Antonio, TX
24 experts listed · all 24 in San Antonio · 4 open weekends · 22 rated 4.5+
Data verified October 16, 2026
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MD Automotive
“In fact, when needing new tires for my Mini Cooper, they suggested I go to a specific tire shop that would give me a better price and have the tires more readily available.”
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Finsanto Automotive Repair Shop
“I had my vehicle worked on from a shop that is no longer in business, the owner sold the business to one of the competitors out there, which I returned to but just gave me a bad impression with just throwing out prices before EVEN asking about my pro...”
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Erik's Automotive
- Job
- Price
- Sounds
“He is very communicative, priced fairly, and this is the only auto shop I've been to where I don't feel as though I'm being mislead or taken advantage of.”
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Gerald Kosub Transmission Service
“The folks at Kosub found nothing wrong with the transmission but did find some wiring which controls it lost insulation and seperated, was repaired by replacing some of the wiring.”
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The Busted Knuckle
- Job
- Price
- Dealership
“It took them a few days of searching but they found it after I had replace the battery 4 times and had previously taken it to a local dealership about 3 times.”
Listed for drivers in and around San Antonio, TX, these 24 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: San Antonio, TX
All 24 experts we list here are in San Antonio itself. We have 85 experts in San Antonio on file; this page shows the highest-rated 24. The experts on this page are rated from 4.2 to 4.9 across 7,725 reviews; all 24 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these experts on specific qualities, they most often praise professionalism (90%), quality (77%) and value (67%). The topics that come up most in reviews of the experts on this page are "honest", "diagnosis" and "estimates". 4 are open on Saturdays. The services the experts on this page list most often on their websites are fleet services (3), transmission services (3), brake repair (2), brakes (2) and diagnostics (2). 8 list staff certifications (ASE) and 18 have a BBB rating of A or A+. Domain records put 19 websites of the experts on this page at ten or more years old; the oldest dates from 1999. 4 offer financing; 2 give free estimates; 13 are family- or locally-owned and 12 list coupons or special offers. 1 has Spanish-speaking staff. We count these figures across the experts on this page; 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 San Antonio?
An online booking link appears for 10 of the 24 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.
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Option Transmission Service
- Mechanic
- Price
- Call
“Drives better than day truck was originally purchased, no more high pitched squealing and wondering if I'll be able to actually make it from point A to B and back safely.”
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Seymour's Garage
“Appreciate this guys so much, took my truck in and tried to find a solution to why it was overheating, Unfortunately remains a mystery still, but they provided great service.”
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Auto Service Experts
- Engine
- Vehicle
- Compressor
“It is so refreshing to do business with an auto service shop we can trust to be honest and fair, and that consistently provides us with outstanding work.”
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Goose Euro
“His first thought was water pump/ bearings failure based on the noise and some vibration in the fan, and the deeper evaluation in the shop proved him right.”
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Access Transmission
- Team
- Truck
- Fair
“No more slipping no more skipping I'm so happy to go from a bad transmission to a perfect rebuild and like new performance and as an additional bonus an excellent price...”
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Autobahn Automotive Service & Repair For Audi
“The invoice detailed all the work performed, including the replacement of front upper control arms, front lower frontward control arms, valve cover gasket, brake flush, spark plugs, and washer nozzle cleaning.”
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Ezzell Fleet Service
“Very helpful”
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Gene Brown's Transmission
- Team
- Vehicle
- Mechanics
“I'm very happy with the work done each time I use this shop, and it is my go-to recommendation place for all vehicle related issues for my friends and family.”
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Bavarian Auto Repair
- Alfredo
- BMW
- Phone Call
“Ryan and Bavarian Auto are far better than just a 5 Star rating, they exceeded all of my expectations and helped me to make an educated decision concerning my BMW.”
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Arrowwood Automotive
- Oil
- Price
- Honda Integra
“Ut they said since I had come all the way to them, they were going to at least diagnose the issue with my vehicle, which they did, and declined to accept any payment.”
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High Tech Transmission
- Stick Shift
- Honest
- Drive Shaft
“Number 1 shop in San Antonio for transmission repair I have had a couple of them rebuilt by these professionals and they never fail after being worked on by High Tech.”
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Ruben's Auto Repair
- Honesty
- Vehicle
- AC
“I spoke to Victor and Lonnie who gave me updates on the progress of my son's vehicle and informed me of what the real problems were to get it running again.”
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Pharaoh Imports & Domestics
- BMW
- Vehicle
- Quote
“I normally do all my repairs but I was pressed for time so I took it to them the best decision I've made with my 2011 gl450 he found the problem (starter) and fixed it for a reasonable price also ran the codes and cleared them.”
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Sirianni Automotive Services
“The radio program on 550 is excellent and helpful to get the longest life out of your vehicle whether their shop or the referrals they provide for specialized issues or a shop in your area..”
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Bert's Gene Brown Transmission
“Most importantly, not once did I feel like they were trying to get over on me due to my lack of vehicle knowledge, but actually wanted to ensure my car was problem free.”
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Performance Automotive & Transmission
“If you wanna on a shop that does the job and you get your moneys worth definitely I will trust Carl, Noa, and everybody at this facility hands down top to bottom or bottom to top one of the best shops I've known I've been out here for years and they'...”
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Chad Miller Auto Care
- Dealership
- Honest
- Check Engine Light
“The report I received upon completion of the diagnosis was easy to understand, I really appreciated a written report that I could refer to rather than just hoping I would remember everything.”
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Carlisle Air Automotive
“Wow I truly believe if I had taken my wife's suv to dealer or some other place I know it would not have ready the same day and I know it would have cost me a whole lot more!”
Why these companies made our list
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