Auto Clinic
“They were great at communication and were quick to get my truck back up and running for me.”
Best Coolant & Radiator Flush in Rockford, IL
11 mechanics listed · 7 in Rockford · 1 open weekends · 10 rated 4.5+
Data verified October 20, 2026
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T J's Auto Center Inc
“Was able to get me in right away to check my fluid levels.”
Tire Tracks
“They did a great job on my repairs for my Ford Edge”
Marks Auto Service
“Had my transmission go out on my car, they gave me a fair quote, and even had a shuttle to take me home so I wasn't stuck paying for an Uber.”
Kurt's Lube Express & Service Center
“Very professional, no long waiting period, reasonable price, I was pleased with my visit and will go back in the future.”
Plaza Auto Service
“They'll tell you if something is worth worrying about or not and not charge you for work that you don't need.”
Listed for drivers in and around Rockford, IL, these 11 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: Rockford, IL
7 of the 11 mechanics we list are based in Rockford; the other 4 serve Rockford from Machesney Park (8 mi), Loves Park (6 mi) and South Beloit (15 mi). The mechanics on this page are rated from 4.2 to 4.9 across 4,103 reviews; 8 have 50 or more reviews and 10 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price" and "diagnosis". 1 is open on Saturdays. 4 list staff certifications (ASE) and 4 have a BBB rating of A or A+. Domain records put 9 websites of the mechanics on this page at ten or more years old; the oldest dates from 2004. 5 offer financing; 2 give free estimates; 2 are family- or locally-owned and 5 list coupons or special offers. We have a website on file for all 11 of the mechanics on this page; 7 publish a contact page and 2 list a public email. We count these figures across the mechanics on this page; distances are straight-line, and hours and prices change, so confirm the details with the mechanic before you visit.
Why does this page include shops elsewhere?
7 of the 11 shops sit in Rockford and the rest come from other towns within 15 mi. This is planned maintenance rather than an emergency, so booking a little further out costs you nothing but the drive.
Plaza Auto Clinic
“They do an amazing job on your car, and are extremely knowledgeable about them.”
Carz R Us
“Got my car in, diagnosed ALL the problems and fixed what needed to be fixed in a timely manner.”
Tuffy Tire & Auto Service Center
“Very informative, took us back and actually showed us what was wrong and even drew up a demonstration.”
Integrity Auto Care
“Came to our house the same we called and knew exactly what they were doing!”
Greg's Garage
“Fast, honest and fare is the best experience you can have these days and it shows here!”
Why these companies made our list
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