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Automotive Castle
- Job
- Pricing
- Honest
“As a woman, when I walk into a vehicle repair shop, I usually get ripped off and get take advantage of, but never have I ever gotten ripped off at Auto Castle!”
Best Coolant & Radiator Flush in Troy, MI
24 mechanics listed · 10 in Troy · 10 open weekends · 19 rated 4.5+
Data verified October 16, 2026
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Troy Auto & Truck Center
“Not sure what the lovely man's name is but the one with the really cool tattoos lol , he always comes to help me whenever i need and waits on me sometimes .”
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Car Fix Troy
“Helped me he Was so helpful I was about to cry because of my car and how helpful he was … I wish I could give more star just awesome all the way around !!!!!!”
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Gary Knurek Inc.
“The best place to take your car for fast quality accurate service for any problem and a great team of professionals who make it a friendly place and they back up their work 100%.”
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Auto-Lab
- Work
- Call
- Diagnostic
“Glen helped me get a great deal on some general maintenance i needed on my vehicle, Dropped the car off called me next morning and it was ready to go and car drives great and check engine light was off.”
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Auto Pro
“I could have no car right now but instead I have my car running as if it was brand new and he helped me with financing which took an enormous amount of stress off of me.”
Listed for drivers in and around Troy, MI, 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: Troy, MI
10 of the 24 mechanics we list are based in Troy; the other 14 serve Troy from towns including Warren (9 mi), Sterling Heights (6 mi) and Utica (4 mi). The mechanics on this page are rated from 4.2 to 5.0 across 6,474 reviews; 23 have 50 or more reviews and 19 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (89%), quality (87%) and value (83%). The topics that come up most in reviews of the mechanics on this page are "diagnosis", "fair" and "honest". 10 are open on Saturdays. The services the mechanics on this page list most often on their websites are wheel alignment (3), air conditioning (2), check engine light (2), drive train (2) and tires (2). 5 list staff certifications (ASE) and 8 have a BBB rating of A or A+. 20 have ten or more years of experience, the longest 65 years. 8 offer financing; 6 give free estimates; 11 are family- or locally-owned and 19 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 Troy?
Online booking is offered by 9 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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Tuffy Troy Auto Repair
“From the moment I phoned to inquire about getting my vehicle fixed to dropping it off the following morning to picking it up in the afternoon, my experience was first class.”
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Troy Auto Fix
- Manager
- Team
- Feel
“My experience was excellent, my daughter and other coworkers told me about Troy Auto fix, I should have listened 3 years ago, I'm going to be a long time client of Andy, all my maintenance will be definitely here, Andy is a very knowledgeable and pol...”
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Troy Quick Lube
- Prices
“I was trying to avoid the dealership for an oil change and they got me in an out with no problems and they even had the rare Mercedes filter that no one else had.”
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McLaren Troy Service Center
“Great honest people”
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Master Radiator Full Service Auto Repair
- a/c
- Engine
- April
“I had a repair that was actually still under warranty but didn't have ride at the time to pick it up my car, so they drove it over to the dealership for me and dropped it off.”
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H & I Expert Car Care
“I took my dodge charger here to be serviced for the brakes and an oil change and an interior damage fix, they fixed it quickly and they had given a good price for it and a quality repair.”
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Jay's Auto Repair
“Jay's provides dependable and trustworthy service, knowledgeable, timely, efficient, conscientious, and the costs are exceptionally reasonable considering the care and attention that he delivers to his patrons and their vehicle.”
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Kerner's Auto Service
- Oil
- Pictures
- Crew
“Tyler and Kyle took my concerns and problem input very seriously, presented computer diagnostics with photos and worked with me on a timeline for the necessary repairs.”
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Steve's Progressive Auto Care Center
“I have been taking my car's to Steve's for years and has always been a good experience Steve is a honest and reliable place to have a car repaired would recommend a appointment when possible”
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Milex Complete Auto Care
- Work
- Diagnosis
- Battery
“When I got the car from California it had 102,000 and someone believed Audi when they said lifetime transmission meaning never change the fluid or filter so when I got the car the transmission was pretty much burned up.”
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All Around Auto Services Inc
“I have been proudly coming to all Around Auto services since 2011 I recommend Dave and his crew to everyone, I know, and even when someone tries to mention any other business, I tell them I won't take my vehicles to anyone else.”
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Brakes & More
- Fair
- Quality
- Solid
“Sometimes the wait can be a bit longer than one might expect - naturally, since everyone seems to come here - but it's always worth it to get such great service and to feel safe on the road knowing your car was worked on responsibly.”
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Detroit Muffler and Brakes
“Took her to where I went regularly which was Detroit Muffler, it took them a while to get her back pretty but the wait and price was definitely worth it.”
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Motorcity Auto Services
“There pricing was standard but the are willing to work with you in many different ways, they even offer a free tow for vehicle as long as you get your auto repair done w/there company.”
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Griffin's Neighborhood Auto Clinic
- Work
- Trust
- Inspection
“I just moved to the area and finding a mechanic that was honest about what was going on and didn't try to “upsell” me on repairs is such a relief.”
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King's Garage
- Price
- Quality
- Mechanic
“Even though I no longer live within walking distance of their Kings Garage I still bring my car across town to have anything that needs doing done by them.”
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Ryan's Auto Repair
- Quality
- Job
- Diagnosis
“I was having trouble with the dealership getting my extended warranty company to replace my transmission, I brought my van down to Jon and he got the approval for a new transmission in no time.”
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Rey's Auto & Tire
“I needed air in my tires due to the extreme cold temps and was refused service at Discount Tire in Shelby Township because there were too many people lined up.”
Why these companies made our list
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