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24 mechanics listed · 7 in National City · 9 open weekends · 20 rated 4.5+
Data verified October 16, 2026
Listed for drivers in and around National City, CA, 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.
7 of the 24 mechanics we list are based in National City; the other 17 serve National City from towns including San Diego (12 mi), El Cajon (12 mi) and Chula Vista (6 mi). The mechanics on this page are rated from 4.1 to 5.0 across 5,295 reviews; 18 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (86%), quality (82%) and value (73%). 9 are open on Saturdays and 1 on Sundays. The services the mechanics on this page list most often on their websites are brake repair (4), maintenance (4), A/C repair (2), air conditioning (2) and brake services (2). 5 list staff certifications (ASE) and 18 have a BBB rating of A or A+. Domain records put 14 websites of the mechanics on this page at ten or more years old; the oldest dates from 1998. 5 offer financing; 4 give free estimates; 9 are family- or locally-owned and 8 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.
Online booking is offered by 5 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.
