Jr's Speed and Tire Shop
“Valve blew off my tire, they fixed it for 25bucks and in about 10 minutes, while having a lot of other customers.”
Best Coolant & Radiator Flush in Manchester, NH
16 mechanics listed · all 16 in Manchester · 2 open weekends · 14 rated 4.5+ · 1 shows a license
Data verified October 18, 2026
Ron's Toy Shop
“Helped me get my timing belt (complete Aisin Kit and Spark Plugs) done on my 2004 Mitsubishi Montero Sport.”
Brutus Auto Repair & Service
“And from the time I walked in for the appointment until the repair was done Mike was absolutely so great to me.”
Bob & Sons Automotive Inc.
“Such a relief to find a place that has excellent customer service with dependable workmanship.”
Fivestar Servicenter
“Dave is a good man, and fantastic mechanic, He's trustworthy and honest in his diagnostics and repair of your vehicle.”
John & Son's Tire Service LLC
“I have always come here to have my tires mounted and balanced My experience has always been good everybody's professional here I would highly recommend this tire shop.”
Listed for drivers in and around Manchester, NH, these 16 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: Manchester, NH
All 16 mechanics we list here are in Manchester itself. We have 17 mechanics in Manchester on file; this page shows the highest-rated 16. The mechanics on this page are rated from 4.4 to 4.9 across 2,646 reviews; 13 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (92%), quality (83%) and value (75%). The topics that come up most in reviews of the mechanics on this page are "fair" and "estimates". 2 are open on Saturdays. The services the mechanics on this page list most often on their websites are brake repair (2), oil changes (2), state inspections (2) and suspension repair (2). 1 shows a license on its website; 2 list staff certifications (ASE) and 10 have a BBB rating of A or A+. 15 have ten or more years of experience, the longest 65 years. 1 offers emergency or roadside call-outs; 4 offer financing; 1 gives free estimates; 5 are family- or locally-owned and 6 list coupons or special offers. We count these figures across the mechanics on this page; 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 Manchester?
Online booking is offered by 7 of the 16 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.
Dynatune
“Down to earth people here, care about getting ur vehicle fixed & u back onto lifes adventures!”
Top Gun Automotive
“Scott went above and beyond to help me when my van needed a repair fast, even though he did not have to.”
Pro-Image Automotive
“Michael suggested that rather than replacing the entire Y pipe, they were able to weld in a replacement flex pipe for substation substantially less money in around an hour.”
Phil and Son Auto Repair LLC
“Work gets done right the first time and on time if not early.”
Precision Imports
“Quick turn around with mounting my large Rotiform wheels and can tell they were careful with them.”
Gill's Automotive
“Awesome people, and service, you can't go wrong with getting your car serviced at Gills”
Lou's Custom Exhaust and Auto Repair
“They cared about my truck as much as I did and made it look and sound amazing!”
Dave's Auto Center
“They are very honest and won't rip you off like other auto places do..”
Mom's Garage
“Hes usually reasonably priced and knows the exact problem never had any issues.”
Green Room At Pro Image Auto
“This is a one stop shop that can take care of anything you need for your vehicle.”
Why these companies made our list
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