Best Coolant & Radiator Flush in San Jose, CA
14 mechanics listed · all 14 in San Jose · 7 open weekends · 12 rated 4.5+
Data verified October 16, 2026
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Listed for drivers in and around San Jose, CA, these 14 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: San Jose, CA
All 14 mechanics we list here are in San Jose itself. We have 24 mechanics in San Jose on file; this page shows the highest-rated 14. The mechanics on this page are rated from 4.2 to 4.9 across 6,982 reviews; all 14 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", "diagnosis" and "honest". 7 are open on Saturdays and 2 on Sundays. 5 list staff certifications (ASE) and 6 have a BBB rating of A or A+. Domain records put 10 websites of the mechanics on this page at ten or more years old; the oldest dates from 1995. 1 offers financing; 3 are family- or locally-owned and 8 list coupons or special offers. We have a website on file for all 14 of the mechanics on this page; 11 publish a contact page; 4 list a public email and 1 takes bookings online. We count these figures across the mechanics on this page; hours and prices change, so confirm the details with the mechanic before you visit.
Which shops listed for San Jose discount a coolant flush?
8 of the 14 shops on this page list a coupon. A discounted flush is worth taking if the service is due and worth skipping if it is not, so check the interval in your manual first. Ask which coolant the offer includes, because the cheap one may not be yours.