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Harold's Muffler & Auto Care Inc
“They quoted me a certain amount to replace my whole back muffler and when they found additional things to fix, they let me know and kept it as close to the original quote as they could!”
Radiator Repair near Janesville, WI
We have 4 technicians in Janesville on file; 3 of them are on this list, along with 21 from towns including South Beloit (5, 14 mi), Beloit (2, 11 mi) and Fort Atkinson (2, 16 mi).
4 open weekends · all 24 rated 4.5+
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Centerway Auto Repair Inc
“Without these wonderful humans, I very well might have had to spend money I didn't really have to stay in a hotel for the weekend, which would've meant, on top of the main repair, replacing my brand new battery after the non-stop brake lights drained...”
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K W Truck Auto Repair
- Prices
- Mechanic
“Ken has been a mechanic for over 30+ years.”
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Lilly Auto Care Center
- Know
- People
- Honest
“They are good at what they do I would recommend anyone to them respectful and they know what and how to get your car or truck going Thank You for doing a great job on my car now I have two more cars that I will be taking them to Lilly Auto care cente...”
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Integrity Auto Care
“Price was fair for all that was done to the car extremely pleasant customer service employees were extremely helpful and friendly and would give statuses updates and options in order to best see the customers needs”
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Butitta Auto – Beloit
“The reviews for Butitta Auto were solid and led me to choose them for installing a transmission in my 2014 Toyota Camry so I could give it to my daughter with peace of mind.”
Area overview: Janesville, WI
The 24 technicians on this page are rated from 4.5 to 5.0 across 3,120 reviews; 15 have 50 or more reviews. When customers rate these technicians on specific qualities, they most often praise professionalism (93%), quality (90%) and value (87%). The topics that come up most in reviews of the technicians on this page are "diagnosis" and "honest". 4 are open on Saturdays. 3 list staff certifications (ASE) and 8 have a BBB rating of A or A+. 16 have ten or more years of experience, the longest 59 years. 3 offer financing; 1 gives free estimates; 3 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for 15 of the technicians on this page; 11 publish a contact page; 4 list a public email and 2 take bookings online. We count these figures across the technicians on this page; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
Data verified October 9, 2026
Listed for drivers in and around Janesville, WI, these 24 shops repair and replace radiators and cooling system parts. What each one says about recoring, warranties and truck work comes from its own website; ratings and quotes come from public reviews.
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Five Star Lopez Auto Service
“I had two diagnoses with 2 previous workshops and they had given me a bad diagnosis on the engine and here at the five star workshop they solved the problem very easily, it is highly recommended and reliable”
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Hogans Auto Repair
“I needed a tire fixed and my spare was losing air over night, he fixed my tire and then asked me if I wanted to find out what's wrong with the spare, I said sure we'll came down to fixing both at a very reasonable price.”
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Road Medic
- Mechanic
- Prices
- Truck
“He was able to repair a very stubborn engine misfire my wife and I experienced with our '04 Tahoe, and it now runs better than it did before the misfire appeared!”
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Ace Auto Sales & Mechanic
- Price
- Vehicle
- Auto Mechanic
“I've tried other mechanics and everytime they "fix" the problem, it ends up coming back and I have to bring my vehicle back in to fix the same problem.”
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M & R Radiator Services
- Money
- Prices
- Tire
“Does an excellent job and saves you money!!!”
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Real's Auto Repair
“If you want a great mechanic go here and the prices are way beyond reasonable same quality you get at the dealership but a better outcome on your pockets”
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DC Auto Repair & Towing Service
- Price
“Good service and just at the right price, buen servicio y a un my buen precio.”
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Best Test Auto Electric
“Very friendly, nice customer service”
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Carz R Us
- Text Message
- Oil
- Work
“Just took both of our cars in for service and Theresa and Eric were very nice and helped set up with a convenient time to get both our vehicles in, very fast and price was reasonable for over all saving us the mess and time to do it our self ,would d...”
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Tom's Auto Center
“I called after work on a Friday with engine trouble and Cody even said he's stay late to make sure that I could drop my car off a little past closing time to make sure I had a reliable loaner for the weekend.”
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Tony's Auto Repair & Towing
“They've taken care of two of my car issues, and one of the best parts about it is they didn't try to upsell me anything I didn't need, even went so far as to try and save me money instead by educating me on things that aren't essential to address rig...”
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Dupy's Service Center
- Tire
- Truck
- Couple
“We took one of our company vehicles to him merely due to convenience in location, but due to their knowledge, professionalism, promptness, and care we have grown to use their services exclusively.”
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Gary Wille's Auto Service & Tire Center
- Estimate
- Job
- 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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Arn's Auto Service
- Vehicle
- Job
- Truck
“I drive from Madison just to have them diagnose/repair my Chrysler 200.”
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Automotive Perfection
“Services Transmission, Electrical repair, Air & cabin filter replacement, Exhaust, Tires, Steering & suspension repair, Electrical, Auto engine diagnostic, Body & Trim, Wheel alignment, Transmission repair, Brakes, Air conditioning, Brake service & r...”
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Wedige Automotive
- Work
- Price
- Radiator
“They found a new re- core and their fabricator , Mike, was able to come up with solution to use an 'up to date' cap that would work with my original grill and hood ornament .”
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Merrill's Motor Works
- Prices
“I've taken my winter car here a couple times now, had new brake lines put on, new tires and hubs to make it highway worthy for the season, I drive it about 90 miles every day and all repairs have held up well!”
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Apex Automotive Services
“He's friendly, knowledgeable and delivers quick service at a fair rate.”
Radiator Repair and Replacement Services in Janesville, WI Cost Estimates
Minimum cost
$109
Maximum cost
$978
National Average
$299
$326
$489
Average price range is based on 401 cost profiles
Why these companies made our list
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FAQ
Are the longer-established listed shops a safer bet?
16 of the 24 shops here have been trading ten years or more. Radiator work rewards that, since the places that still recore and pressure test in house tend to be long-established and often run commercial vehicle work alongside cars.