Morrison Tire Inc.
“He is done amazing work with my truck and continues to take care of my wife when she needs it.”
Best Coolant & Radiator Flush in Garden Grove, CA
15 mechanics listed · 12 in Garden Grove · 12 open weekends · 14 rated 4.5+
Data verified October 16, 2026
Harbor Brakes
“I've been buying my tires here and bringing my car in every 6,000 miles for free tire rotations, and every single time, the team is so welcoming and fast.”
Kingdom Auto Repair
“Solid service they went ahead and fixed my ac for the summer and did a transmission fluid flush on my elantra good prices and excellent service.”
Quoc Auto Repair
“The way I see, this is my best repair shop and I will stop by whenever my vehicle have any problems.”
Alliance Express Lube Plus
“Amazing team,always doing the best for your car 🚗 good atmosphere love it!!”
Brothers Express Lube #1
“Service is always quick and efficient…All the employees were very helpful .”
Listed for drivers in and around Garden Grove, 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: Garden Grove, CA
12 of the 15 mechanics we list are based in Garden Grove; the other 3 serve Garden Grove from Cypress (4 mi), Santa Ana (5 mi) and Orange (8 mi). The mechanics on this page are rated from 4.4 to 4.9 across 3,336 reviews; 13 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", "honest" and "communication". 12 are open on Saturdays and 2 on Sundays. The services the mechanics on this page list most often on their websites are brake repair (3), suspension (3), diagnostics (2), engine repairs (2) and tires (2). 2 list staff certifications (ASE) and 3 have a BBB rating of A or A+. Domain records put 5 websites of the mechanics on this page at ten or more years old; the oldest dates from 2006. 1 offers financing; 2 give free estimates; 4 are family- or locally-owned and 5 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 Garden Grove?
Online booking is offered by 4 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.
Lucky Tires
“My car always has Hankook tires installed here.”
Best Care Auto
“Called Best Auto Care- Dennis said he'd do a diagnostic for free in a few minutes- narrowed it down to the gas tank and found out it was just a loose gas cap.”
Guzman's Auto Repair
“Did very good work very satisfied”
U R #1 Honda & Acura
“I usually get my Honda Civic serviced at a chain tire shop and Truong was able to tell me exactly what components I had changed out and whether the job was done correctly or not (and sadly usually not).”
Hyundai Auto Repair
“Daniel and team really took the time to explain and keep me apprised of the vehicle progress.”
Vung Tau Auto Repair Muffler & Tire
“They finished my car in about a week and everything runs smooth.”
Main Auto Care
“He always follows up after a visit and checks-in about your car and you can bring it back if something is wrong.”
Integrity Transmission & Auto Repair
“Absolutely love this place, Henry and his team always get the job done.”
Key Nissan Service
“They had quite a line, and my oil change was still wrapped up in under an hour”
Why these companies made our list
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