949 Auto Repair
“I took my truck in for an electrical issue, brakes and a window issue and Michael was truly amazing in his overall assessment, timeline estimate and most importantly his communication throughout the repair process”
Best Coolant & Radiator Flush in Laguna Hills, CA
15 mechanics listed · 4 in Laguna Hills · 5 open weekends · 13 rated 4.5+
Data verified October 16, 2026
Amato Tire
“Called Amato tire on a Friday morning when I realized I had a persistent slow tire leak and got seen within minutes despite a busy day.”
Rich5oil Synthetics Mobile Oil Change LLC
“I called Rich5oil earlier today and they had a technician at my house within the hour!”
Orange County European Auto Service
“Ken told me that they found an updated part that was better and offered to replace the other one at no cost.”
British Worx OC
“I've taken my 2019 Mini Countryman here a few times and have always been extremely pleased with both the conscientious service AND reasonable prices.”
Autobaun Imports
“He's truly the best and most honest I've found in South Orange County.”
Listed for drivers in and around Laguna Hills, 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: Laguna Hills, CA
4 of the 15 mechanics we list are based in Laguna Hills; the other 11 serve Laguna Hills from towns including Mission Viejo (3 mi), Aliso Viejo (2 mi) and Laguna Niguel (4 mi). The mechanics on this page are rated from 4.4 to 5.0 across 1,592 reviews; 9 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (100%), quality (85%) and value (73%). The topics that come up most in reviews of the mechanics on this page are "communication", "honest" and "diagnosis". 5 are open on Saturdays and 1 on Sundays. The services the mechanics on this page list most often on their websites are brake service (2), cooling systems (2), engine repair (2) and oil change services (2). 4 list staff certifications (ASE) and 8 have a BBB rating of A or A+. 13 have ten or more years of experience, the longest 107 years. 2 offer financing; 1 gives free estimates; 4 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.
Can I book a coolant change online with shops listed for Laguna Hills?
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.
Niguel Auto Service
“I had a peculiar problem with my daughter's car and they worked with me repair-wise and cost-wise until the job was perfectly completed.”
Aliso Viejo Auto Service
“The mechanics got right on it and fixed it within an hour at a remarkably low price.”
Complete Autocare & Tire
“I highly recommend this place, I will be coming back for service in the future.”
Irvine Auto Repair
“In an impressive turnaround of just 3 hours, their skilled team thoroughly assessed the situation, identified the necessary parts, and provided me with a precise estimate for the entire repair.”
Auto Care Experts
“Good price and fast smoke check!”
Bake Auto Care
“I strongly feel that this shop deserves a pat on the back for its hard work and integrity over the many years they have been operating.”
Automotive Plus
“These guys went over and above when working with us and gave us valuable information in order to evaluate our purchase and make a good decision.”
Mark Douglas Motorworks
“Mark has always been extremely honest, and he has even talked me out of buying new parts when he can get me a refurbished part for 1/4th the cost.”
Super Service
“This is the second time we've taken our vehicle in to superservice, and again it was a very open and transparent process.”
Why these companies made our list
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