D&D Automotive Repair
“They check back with you on the service they have provided or will provide in the future.”
Best Coolant & Radiator Flush in Waukesha, WI
15 mechanics listed · 6 in Waukesha · 13 rated 4.5+
Data verified October 21, 2026
K.R. Auto Repair
“They totally accepted my DIY request and performed the alignment fast and provided the before and after scans to prove the work.”
Nelsons Automotive
“My wife and I have been going here for years and even drive out of our way to have our Jeep, Mercedes and BMW maintained by them.”
Amport Auto Service
“Went in for emissions testing, was in and out in about 20 minutes.”
Complete Car Care
“These guys did great, wonderful customer service everyone was super friendly and willing to answer any and all questions I had.”
Redline Garage
“Dan is great about going over the vehicles diagnosing the problem and recommending the proper solution!”
Listed for drivers in and around Waukesha, WI, 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: Waukesha, WI
6 of the 15 mechanics we list are based in Waukesha; the other 9 serve Waukesha from towns including Wauwatosa (9 mi), Pewaukee (5 mi) and Brookfield (7 mi). The mechanics on this page are rated from 4.3 to 4.9 across 2,965 reviews; 14 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (100%), quality (81%) and punctuality (76%). The topics that come up most in reviews of the mechanics on this page are "price", "diagnosis" and "fair". 4 list staff certifications (ASE) and 9 have a BBB rating of A or A+. Domain records put 13 websites of the mechanics on this page at ten or more years old; the oldest dates from 2002. 1 offers financing; 7 are family- or locally-owned and 10 list coupons or special offers. We have a website on file for all 15 of the mechanics on this page; all 15 publish a contact page; 8 list a public email and 4 take bookings online. 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?
6 of the 15 shops sit in Waukesha 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.
Two Guys Automotive
“However, I sent them an email with the a detail scope of work for my car, and they answer my email with an estimate, really clear and fair (35% less than a bigger company).”
A & A Tires
“Best place to get your car fixed..”
Lake Country Auto Care
“Came in on my way out of town for vacation to repair my front tire.”
Kusch's Automotive
“They took time to explain to me and answered all my concerns.”
Lutter's Elmbrook Automotive
“Mark and Jay are very honest with giving me good estimates not over selling.”
Gary's Auto Repair
“Max, the service advisor, was very professional and informative and, within a few hours, called back saying my vehicle was finished.”
Hansen Auto
“Both times they were able to get it looked at and fixed earlier than originally stated.”
Stickler's Automotive Service
“The only mechanics I'll ever trust.”
Pope Auto Worx
“Pope Auto Worx is the best auto repair shop in the area.”
Why these companies made our list
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