Best Coolant & Radiator Flush in Redwood City, CA
15 mechanics listed · 6 in Redwood City · 3 open weekends · 14 rated 4.5+ · 1 shows a license
Data verified October 16, 2026
Toy Auto Clinic
Air Care Smog Test Center
Redwood General Tire Pros
TL Auto Repair
Cerrone's European Auto Specialists
Listed for drivers in and around Redwood City, CA, 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: Redwood City, CA
6 of the 15 mechanics we list are based in Redwood City; the other 9 serve Redwood City from towns including Fremont (13 mi), San Carlos (2 mi) and Belmont (4 mi). The mechanics on this page are rated from 4.4 to 5.0 across 4,399 reviews; all 15 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price", "communication" and "diagnosis". 3 are open on Saturdays. The services the mechanics on this page list most often on their websites are brake repair (3), check engine light (3), oil change (3), diagnostics (2) and exhaust system (2). 1 shows a license on its website; 5 list staff certifications (ASE) and 7 have a BBB rating of A or A+. 13 have ten or more years of experience, the longest 75 years. 2 offer financing; 4 are family- or locally-owned and 10 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 Redwood City?
Online booking is offered by 10 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.