Masterwerks Tire and Auto
“They let me work all day from the lobby while my car was being worked on, and even gave me a car dealership referral when a few days later my car broke down again due to no fault of theirs.”
Best Coolant & Radiator Flush in Phoenix, AZ
23 mechanics listed · all 23 in Phoenix · 1 open weekends · 21 rated 4.5+
Data verified October 16, 2026
Alexanders Auto Repair
“The team made sure that all of my issues and concerns were addressed, and they even followed up with me a few days later to confirm if everything is still going well.”
Arizona Exclusive Car Repair Co.
“Very satisfied with the service done to my vehicle thankyou so much and God bless you”
Auto Air and Electric
“Mike took the time to walk me through an electrical issue that I was having with a 1999 F350 Power Stroke.”
Amc Automotive
“I always get a trustworthy opinion, quality workmanship, and super fast service.”
The Auto Shop
“I highly recommend this shop, multiple places were unable to properly diagnose my car and The Auto Shop had all the answers for me within a few days.”
Listed for drivers in and around Phoenix, AZ, these 23 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: Phoenix, AZ
All 23 mechanics we list here are in Phoenix itself. We have 45 mechanics in Phoenix on file; this page shows the highest-rated 23. The mechanics on this page are rated from 4.3 to 4.9 across 5,494 reviews; 22 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (96%), quality (89%) and value (85%). The topics that come up most in reviews of the mechanics on this page are "honest", "diagnosis" and "fair". 1 is open on Saturdays. The services the mechanics on this page list most often on their websites are brake repair (5), engine repair (4), transmission repair (4), wheel alignment (4) and electrical repairs (3). 7 list staff certifications (ASE) and 16 have a BBB rating of A or A+. 20 have ten or more years of experience, the longest 69 years. 7 offer financing; 3 give free estimates; 8 are family- or locally-owned and 14 list coupons or special offers. 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 Phoenix?
Online booking is offered by 6 of the 23 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.
Feeney Automotive
“Also, I've never had another repair shop follow up after repairs to make sure everything went well.”
Hon Amotive
“Don is honest and will not try to sell you services/repairs you don't need.”
Richards Auto Clinic
“Richard operates an extremely clean, efficient, fair & honest auto & truck repair & maintenance shop.”
Xpress Automotive
“If you're looking for superior, trustworthy, and affordable auto repair, Xpress Automotive is your answer.”
Mike's Auto Repair
“I recommend Mike's auto repair to anyone that needs their car needs diagnosed and resolved .”
Jake's Auto Repair
“They've always treat me well and I've never had to return for bad workmanship.”
Kelly Clark Automotive Specialists
“Recently they handled interfacing with my insurance after my catalytic converter was stolen, so we got genuine manufacturer's parts and they stored my car for about a week while dealing with insurance all paid for by insurance I'm happy to say.”
Tony's Auto Service Center
“They did a good job, they found a few other things I could get done but I didn't want to at that time.”
Precision Tire and Auto Center
“Came away with a working AC and a check up from head to toe for less then $100.”
Gab's Auto Repair
“We have gone back to Gabe's again and again, because they are always efficient, and reasonable my priced.”
602 Autosports
“These guys are always great, Ernie is a good and honest mechanic”
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Tanner Motors Service & Repair For Audi
“Nothing harder than finding a good mechanic, Tanner Motors is above and beyond in all categories of service.”
Curt's Auto Repair
“I have been a customer since 2006,great personel ,service and reasonable prices.”
Shadow Mountain Auto Service
“For example, they put up the sun shade in my car after they completed service.”
Johnston's Phoenix Auto Repair & Service
“Somebody who listen's and explains and looks for answers and doesn't necessarily rely on "codes"; REAL mechanics!”
Larry Harker's Auto Repair
“If you want your car or truck fixed right, this is the place.”
Central Car Care
“Unfortunately I needed an entire AC system replacement, but they worked with me to get it done quickly and their customer service was an 11/10.”
Why these companies made our list
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