Treadmark Tire & Service
“I've been going here for years , and I will never go to another mechanic again!”
Best Coolant & Radiator Flush in Ventura, CA
21 mechanics listed · all 21 in Ventura · 6 open weekends · 20 rated 4.5+
Data verified November 12, 2026
Motion Tire II
“They were very helpful, I had a flat repaired and they graciously topped off my fluid.”
Concours Motors Auto Repair
“Sixto and the team was great and always commincate clearly and work odone on time.”
Associated Tire Brakes & Alignment
“Support honest, local, family owned and run businesses like this who know and care about their community andtake pride in the work they do.”
AWS Automotive
“It's a good feeling and comforting every time I leave my valued source of transportation in their hands.”
Clean Planet Smog Check Clean Truck Check Inspection
“It was a great experience working with Ruben at Clean Planet Smog check, service was friendly and could feel the genuine friendliness.”
Listed for drivers in and around Ventura, CA, these 21 shops list coolant flushes and antifreeze service. What each one says about the coolant types it stocks, machine flushes and warranties comes from its own website; ratings and quotes come from public reviews.
Area overview: Ventura, CA
All 21 mechanics we list here are in Ventura itself. We have 22 mechanics in Ventura on file; this page shows the highest-rated 21. The mechanics on this page are rated from 4.1 to 4.9 across 6,266 reviews; 17 have 50 or more reviews and 20 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". 6 are open on Saturdays and 1 on Sundays. The services the mechanics on this page list most often on their websites are brake repair (3), wheel alignments (3), brakes (2) and oil changes (2). 4 list staff certifications (ASE) and 5 have a BBB rating of A or A+. Domain records put 15 websites of the mechanics on this page at ten or more years old; the oldest dates from 1997. 6 offer financing; 2 give free estimates; 4 are family- or locally-owned and 7 list coupons or special offers. We have a website on file for all 21 of the mechanics on this page; 14 publish a contact page; 5 list a public email and 8 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.
Can I book a coolant change online with shops listed for Ventura?
Online booking is offered by 8 of the 21 shops. Put your engine and the coolant specification in the notes when you book, since the shop needs the right fluid on the shelf before you arrive rather than a universal jug under the counter.
Asian Autotech
“Thank you Jessica and all the staff at Asian AutoTech for taking over that aspect of my life and doing such and outstanding job”
Brake Masters
“I needed an oil change ended up getting my brake fluid change and a new belt with my oil change.”
DMC Automotive Repair
“I've been going here for the past couple of years and have always received great service!”
Dependable Car Care
“They offer superb customer service, their prices are fair and always have a quick turn around time”
Bill Clark Automotive
“They addressed every concern I had with my vehicle, kept me informed throughout the process, and made sure everything was taken care of perfectly.”
ABC Auto Care
“My vehicle feels completely different almost like a new car I'm very happy with the service”
Bill Hahn's Automotive
“They find that our mechanic installed the brakes incorrectly and had our brakes repaired (new pads) and out the door within an hour!”
Williams Automotive
“(Plus, they let me see the broken part and explained how it was broken!!”
Peak Performance Automotive
“They figured out my problem and had me back in the road in no time.”
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Dylan's Automotive
“Showed up a few minutes before closing on Friday with a window problem, and Rudy stayed late to help me out.”
Hays Automotive
“Very awesome and easy to work with people I would recommend this place to everyone”
Buena Auto Care
“I brought my 1993 Toyota T100 here and they were able to figure out what was wrong with the truck and provided me with options within my budget.”
Christensen Performance
“He works with you and doesn't try to push unnecessary maintenance on you.”
Coastal Differential Repair
“Marty does excellent work, helps in a hurry when we need it!”
Auto Lube Care
“Not even having to leave my vehicle and the work is done.”
Why these companies made our list
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