A-Len Automotive Service
“Is working great I do appreciate and highly recommend A-Len Automotive Service.”
Best Coolant & Radiator Flush in Downers Grove, IL
15 mechanics listed · 4 in Downers Grove · 4 open weekends · all 15 rated 4.5+
Data verified October 21, 2026
BOB Auto Repair
“Went to BOB auto for my first time this weekend, and had a terrific experience!!”
Langs Auto Service
“I have had a lot of issues going on with my 2009 Honda Civic, and every time I had my car repaired, I have always gotten a trustworthy, honest diagnosis.”
Hi-Tech Import
“I went there for a second opinion, they looked at my jeep without even telling me that I would have to come back another day”
EGM Automotive
“If you're looking for a good mechanic stop and talk to Russ or Manny, you won't be disappointed.”
Clark's Car Care Inc
“Always Friendly and Helpfull and very honest!”
Listed for drivers in and around Downers Grove, IL, these 15 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: Downers Grove, IL
4 of the 15 mechanics we list are based in Downers Grove; the other 11 serve Downers Grove from towns including Villa Park (7 mi), Lisle (3 mi) and Elmhurst (6 mi). The mechanics on this page are rated from 4.6 to 5.0 across 4,179 reviews; all 15 have 50 or more reviews. When customers rate these mechanics on specific qualities, they most often praise professionalism (88%), quality (86%) and punctuality (83%). The topics that come up most in reviews of the mechanics on this page are "price", "diagnosis" and "honest". 4 are open on Saturdays. The services the mechanics on this page list most often on their websites are brake repair (4), oil change (3), brake repair & service (2), check engine lights (2) and emissions (2). 4 list staff certifications (ASE) and 13 have a BBB rating of A or A+. All 15 have ten or more years of experience, the longest 69 years. 3 offer financing; 1 gives free estimates; 10 are family- or locally-owned and 8 list coupons or special offers. 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.
Can I book a coolant change online with shops listed for Downers Grove?
Online booking is offered by 7 of the 15 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.
Vaupell Auto Repair & Napa Auto Care Center
“Brian and his team are great, they diagnosed and sent us a list of items for repair based on urgency.”
My Mechanic
“We have relied on My Mechanic service for years.”
A To Z Auto Repair
“Great place to do business with as they seem honest and helpful and their knowledge of cars is great.”
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Farnsworth Auto
“Chris and Peter are the best, they got me in and out and fixed my car perfectly”
Lisle Automotive & Tire
“Don and the guys are great!”
Hollywood Motors Inc
“From oil changes to alignments and much more, they do great work and provide exceptional service!”
Lord's Auto Clinic Inc
“Does not try and push services that are not required at the time.”
Sooper Lube
“Always Sooper friendly and efficient service”
Stan's Service Station
“Always have great service at a great price”
Why these companies made our list
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