Best Coolant & Radiator Flush in Waterbury, CT
15 mechanics listed · 4 in Waterbury · 7 open weekends · 12 rated 4.5+ · 1 shows a license
Data verified November 3, 2026
Superior Transmission Inc
Platinum Car Wash & Oil
Capuano Auto Body
Charlie's Garage
Safe Auto Service
Listed for drivers in and around Waterbury, CT, 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: Waterbury, CT
4 of the 15 mechanics we list are based in Waterbury; the other 11 serve Waterbury from towns including Naugatuck (5 mi), Southbury (10 mi) and Prospect (4 mi). The mechanics on this page are rated from 4.0 to 5.0 across 2,093 reviews; 11 have 50 or more reviews and 12 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price", "quality" and "fair". 7 are open on Saturdays and 1 on Sundays. The services the mechanics on this page list most often on their websites are brake repair (3), auto repair (2), brake services (2), engine repair (2) and oil changes (2). 1 shows a license on its website; 1 lists staff certifications (ASE) and 8 have a BBB rating of A or A+. Domain records put 12 websites of the mechanics on this page at ten or more years old; the oldest dates from 2008. 1 offers financing; 2 are family- or locally-owned and 3 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 Waterbury?
Online booking is offered by 5 of the 15 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.