Best Coolant & Radiator Flush in Tempe, AZ
15 mechanics listed · 14 in Tempe · 3 open weekends · 13 rated 4.5+
Data verified October 16, 2026
McIlvain Motors
Lifetime Automotive
American Five Star Auto Repair & Transmission
We-Fix-It Auto Repair
The Car Shop
Listed for drivers in and around Tempe, AZ, 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: Tempe, AZ
14 of the 15 mechanics we list are based in Tempe; the other one serves Tempe from Mesa (12 mi). The mechanics on this page are rated from 4.1 to 5.0 across 4,845 reviews; 13 have 50 or more reviews and 13 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price", "honest" and "diagnosis". 3 are open on Saturdays. The services the mechanics on this page list most often on their websites are brake repair (3), oil change (3), transmission repair (3), auto diagnostics (2) and fleet maintenance (2). 6 list staff certifications (ASE) and 9 have a BBB rating of A or A+. 13 have ten or more years of experience, the longest 54 years. 4 offer financing; 3 give free estimates; 7 are family- or locally-owned and 8 list coupons or special offers. We have a website on file for 14 of the mechanics on this page; 13 publish a contact page; 4 list a public email and 7 take bookings online. 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.
Why does this page include shops elsewhere?
14 of the 15 shops sit in Tempe and the rest come from other towns within 15 mi. This is planned maintenance rather than an emergency, so booking a little further out costs you nothing but the drive.