Finsanto Automotive Repair Shop
“I felt my car was going to be there for a few days and was already in the process of thinking my next few days out and when I asked how long will they need the car, I was told a couple of hours.”
Best Radiator Repair in San Antonio, TX
24 technicians listed · all 24 in San Antonio · 6 open weekends · 21 rated 4.5+
Data verified October 16, 2026
Erik's Automotive
“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.”
Angel Automotive Repair
“Good place to take your car for repair, a very big drawback is the entrance to said place is too small, which makes it very uncomfortable to get your car into the workshop and also very dangerous because it is next to a main avenue.”
Goose Euro Car Care
“Annette at Euro worked me in first thing this morning, despite being extremely busy with air conditioning work as Texas is experiencing a long heat wave!”
Auto Service Experts
“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.”
Santin Auto and Truck Repair Center
“From the technicians to the customer service reps on the phone and in person, they are always communicating with status updates regarding your vehicles.”
Listed for drivers in and around San Antonio, TX, these 24 shops repair and replace radiators and cooling system parts. What each one says about recoring, warranties and truck work comes from its own website; ratings and quotes come from public reviews.
Area overview: San Antonio, TX
All 24 technicians we list here are in San Antonio itself. We have 42 technicians in San Antonio on file; this page shows the highest-rated 24. The technicians on this page are rated from 4.2 to 4.9 across 4,815 reviews; all 24 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (91%), quality (86%) and value (80%). The topics that come up most in reviews of the technicians on this page are "diagnosis", "communication" and "warranty". 6 are open on Saturdays. The services the technicians on this page list most often on their websites are brake repair (3), oil change (3), transmission service (3), air conditioning (2) and brake services (2). 4 list staff certifications (ASE) and 13 have a BBB rating of A or A+. 22 have ten or more years of experience, the longest 77 years. 4 offer financing; 1 gives free estimates; 6 are family- or locally-owned and 11 list coupons or special offers. We count these figures across the technicians on this page; hours and prices change, so confirm the details with the technician before you visit.
Are the longer-established listed shops a safer bet?
22 of the 24 shops here have been trading ten years or more. Radiator work rewards that, since the places that still recore and pressure test in house tend to be long-established and often run commercial vehicle work alongside cars.
RPM Automotive Services Inc.
“It was so good we went back for another small repair which was also done in a timely manner thank you RPM for renewing my faith in auto mechanics and auto repair shops.”
Alamo Heights Garage
“I have been doing business with Alamo Heights Garage for a couple of decades or so, and they have done a great job every time; I fully recommend their services.”
Autobahn Automotive Service & Repair For Audi
“This is my second German vehicle and needed to find a reputable shop that I could entrust with my (new to me) Porsche Macan S for its 60K transmission service.”
J. E. I. Japanese Engine Inc.
“Nobody could figure out my son's 4 Runner electrical problems in Austin - Had it towed to San Antonio where Rob / Karen and their staff,( especially Richard T.”
Arrowwood Automotive
“I will hardly ever consider going anywhere else unless I need something done in a hurry, and that's only because they are way up on the North side of SATX.”
Performance Automotive & Transmission
“Noah let me take notes while he explains everything that went on with my father's vehicle and I would ask questions and he spoke to me in a way I would understand .”
Hollywood Park Automotive
“We have been taking all of our cars to Bert and the crew at Hollywood Park Automotive and I will tell you it is harder to find a more honest and professional mechanic shop.”
Larson's Automotive
“I've not read every review for Larson's to know if this is a pattern with them, I can say I will be very sensitive to it if/when I decide to return for more work.”
Lone Star Radiator Company
“Fast great service”
Cornerstone Automotive
“They never try to offer me unnecessary work, and they are very helpful in answering any questions that I might have and explaining the work that they do.”
Texas Industrial Radiator
“They did an awesome job patching the pinholes cleaning the rust and putting the liner in for a good price and had it done in a week plus a good warranty.”
Cartech Automotive & Transmission Repair
“He stuck to his word with everything he said, he gave a fair price for the work done, and was kind enough to go through step by step of his work with me.”
Anderson Garage
“Both times they were fast, professional, and straightforward…definitely felt good knowing they are all longtime employees of the garage, like 30 years each.”
1st Choice Collision & Automotive Repair
“While repairs took longer than anticipated (about a month longer than they originally thought) and I didn't get many updates without calling (I understood they were busy but would have appreciated more communication), when I did get my car back it wa...”
West Ave Automotive & Transmission
“They did work on my GMC Yukon it had a major oil leak, these guys made sure to do everything in their power to make sure my vehicle didn't leak anymore!”
Full Service Master Car Care
“They charged me less than 2/3 of what everyone else wanted to charge and even had a “2 year warranty” on everything unlike only a 1year the other shops had.”
JP Automotive Repair LLC
“If you've ever been to an auto repair business in the past, you can sometimes leave with doubts about having paid too much or if the quality of work is acceptable.”
Martin's Auto Clinic
“I've contacted other shops prior to discovering Martin's and the other shops were literally quoting thousands more, they'll have my business from here on out.”
Why these companies made our list
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