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J and S Auto Care Specialists
- Communication
- Fair
- Work Done
“Not only did they set me up with a future tire, they also provided a spare so I could drive to the tire source and keep driving until my new tire arrived.”
Best Coolant & Radiator Flush near Janesville, WI
1 of these mechanics is based in Janesville; the others serve Janesville from towns including Madison (33 mi), South Beloit, IL (14 mi) and Delavan (20 mi).
5 open weekends · 23 rated 4.5+
Data verified October 20, 2026
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Integrity Auto Care
“Brought in my Cadillac SRX that needed a lot of work (exhaust, tires, Trans line and more) and they got me in quickly and got me my car back out and running like new just as fast.”
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Five Star Lopez Auto Service
“Actually cares about the customers, thorough about telling you your options and what needs to be fixed, and will fix whatever you need at a reasonable price.”
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South Beloit Lube
“Great services and amazing customer service, they went above and beyond!”
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Countryside Tire and Lube LLC
- Prices
“Would recommend them to anyone.”
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Carz R Us
- Report
- Text Message
- Work
“They got me in same day, had excellent communication, cleaned out the excessive dirt and rock from my wheel wells from living on a gravel road and were so affordable.”
Listed for drivers in and around Janesville, WI, these 24 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: Janesville, WI
The 24 mechanics on this page are rated from 4.3 to 5.0 across 4,725 reviews; 19 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (93%), quality (89%) and punctuality (80%). The topics that come up most in reviews of the mechanics on this page are "price", "diagnosis" and "communication". 5 are open on Saturdays. 11 list staff certifications (ASE) and 10 have a BBB rating of A or A+. Domain records put 16 websites of the mechanics on this page at ten or more years old; the oldest dates from 1997. 8 offer financing; 4 give free estimates; 3 are family- or locally-owned and 12 list coupons or special offers. We have a website on file for 19 of the mechanics on this page; 18 publish a contact page; 9 list a public email and 6 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.
Can I book a coolant change online with shops listed for Janesville?
Online booking is offered by 6 of the 24 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.
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Westside Service Center
- Brakes
- Chili
- Engine
“All the machanics that have assisted me with my car issues have been great, the cost of repairs are always very reasonable, and turn around times are super quick!”
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Tom's Auto Center
“Tom's Auto Center went out of their way to make this right, including covering the cost of materials and labor even though the warranty period had expired at 12 months.”
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Advanced Auto Clinic Delavan
“Clinic did an excellent job computer diagnostic my car and accommodating to my needs, I recommend Advanced Auto Clinic for your automobile needs.”
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Korey's Auto Kare LLC
- Oil
- Competitive
- Money
“Most recently we had to fix our daughters breaks and unfortunately when his guys got in there, they realized that more needed to be done for it to be safe and it added like $700 onto our quote.”
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East-Side Automotive
- Light
- Diagnostic
- Truck
“I got my brakes (front & back) replaced and I think this is the first time I didn't feel like they were taking advantage of for a brake job, I'm very happy.”
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Gary Wille's Auto Service & Tire Center
- Oil
- Estimate
- Work
“I love that they give us a heads-up on things that will need to be done sometime in the next 6 months or so and provide cost estimates for them so we aren't blindsided by an unexpected cost.”
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Griffin Chrysler Dodge Jeep RAM Service Department
- Dealership
- Truck
- Car Wash
“Always fast and easy to work with everyone is always nice and helpful, Joe always does an excellent job working on my vehicle, always finds the problem I have and gets it done in a timely manner”
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Greg's Garage
- Quality
- Inspection
- Truck
“The experience and knowledge that the team of Ron and Steve have is by far the best around”
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Jefferson Quick Lube
- Price
- Information
“Amazing shop honestly 5 Stars isn't enough I brought my car in for a last minute oil change it only took them 10ish minutes by my guess and mid oil change they brought me out to show me my rear cradle is basically rusted away my rear end was barely h...”
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Apex Automotive Services
“Awesome place to go to get work done, Bobby was more than helpful and fair on amazing work!”
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Harvard Automotive
“My car would go through tires every 3 months he did an alignment also balanced my tires after that i had no problem with my car as a girl you always feel like mechanics try to take advantage of you because of your knowledge but Fernando made sure i u...”
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Clausen Automotive
“After completing diagnostics, they will text you pics with the estimate, and are willing to talk through everything until all your questions are answered.”
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Crestwood Auto Clinic
- Job
- Reviews
- Integrity
“I know basically nothing about cars, I've had mine 3 years and I didn't know how to open the hood until recently, and so many other shops have taken advantage of that.”
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West Town Monona Tire
“I have gone here for several tire and wheel related services over the years - swapping all season and winter tires, alignments, and most recently patching a tire.”
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Hansen's Auto Service Center
“(I'm a queer, female-presenting person of color obviously from elsewhere, and I have had problems with disrespect at other male-owned auto shops in WI.”
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Midwest Engine Service
- Mechanic
- Diagnosis
- Truck
“The exemplary service and work was very much appreciated… I would recommend Chris and crew as their personal touch makes a great deal of difference….”
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Village Mobil Auto & Tire
“Very friendly team and everyone there always looks out for what you need, never try to "sell" you anything that you don't, highly recommend to everyone!”
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Auto Clinic
- Diagnosed
- Skilled
- Team
“Excellent service, asked them if they could check my cooling system for leaks and if it had air in it, they found a bad sensor and bled my coolant multiple times checked anything that could have caused the issues I was having, very knowledgeable and ...”
Radiator Coolant Fluid Exchange Services in Janesville, WI Cost Estimates
Minimum cost
$66
Maximum cost
$250
National Average
$104
$109
$163
Typical price range is based on 360 cost profiles
Why these companies made our list
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