Mark Douglas Motorworks
“Its hard to find someone that has quality service, fair prices and constantly exceeds expectations.”
Best Radiator Repair near Aliso Viejo, CA
We have one technician in Aliso Viejo on file, and it is on this list, along with 14 from towns including Mission Viejo (10, 5 mi), Irvine (2, 7 mi) and Laguna Hills (1, 2 mi).
7 open weekends · 14 rated 4.5+ · 2 show a license
Data verified October 16, 2026
Larry's Independent Service
“Larrys has been taking care of my cars for a long time.”
British4x4 Unlimited Inc.
“I have always experienced outstanding service and Duke and his employees are the best, they have great pricing and you can't beat that.”
Accu Auto Services
“I go here for everything now and the last time I was here for ab oil change and brakes, they fixed a scratch I've had on the front of my car forever, just because.”
LA PAZ Service Center
“La Paz are excellent in diagnosing issues, routine maintenance, and being reasonable and transparent in the process”
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Stress-Free Auto Care
“Also made diagnostic tests on my car and gave me the lists of items needs to pay attention first and other issues with my car.”
Listed for drivers in and around Aliso Viejo, CA, these 15 shops repair and replace radiators and cooling system parts. What each one says about recoring, warranties and truck work comes from its own website; ratings and quotes come from public reviews.
Area overview: Aliso Viejo, CA
The 15 technicians on this page are rated from 4.4 to 5.0 across 1,894 reviews; 10 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "honest" and "fair". 7 are open on Saturdays and 1 on Sundays. 2 show a license on their websites; 3 list staff certifications (ASE) and 8 have a BBB rating of A or A+. Domain records put 7 websites of the technicians on this page at ten or more years old; the oldest dates from 1995. 2 are family- or locally-owned and 5 list coupons or special offers. We have a website on file for 13 of the technicians on this page; 8 publish a contact page; 1 lists a public email and 4 take bookings online. We count these figures across the technicians on this page; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
Are the longer-established listed shops a safer bet?
12 of the 15 shops here have been trading ten years or more. Radiator work rewards that, since the places that still recore and pressure test in house tend to be long-established and often run commercial vehicle work alongside cars.
Japanese Car Specialties
“I've been bringing my car to Japanese Car Specialist for a while now & they always take great care of my Lexus.”
Import Specialties Automotive
“As a big car guy, he has my trust and loyalty for anything I cant or shouldn't do.”
Marguerite Auto Repair
“Despite being close to closing time, they accommodated me and were able to get the car fixed.”
Chavez Automotive Repair
“If you want your car to run as long as possible, don't wait for the problem to get louder, this guy will figure it out, fix it, and make you smile.”
S & H Auto Repair Group
“I Feel Much Better And Confident In The Needs of My Car, And Will Be Back Early In October To Complete The Services Recommended.”
Automotive Plus
“I brought a newly purchased 2016 911 Carrera to Chris for regular service and check engine light.”
Auto Check Center
“Great service, friendly and professional staff, and best prices you can find.”
Niguel Motors
“There are not many mechanics like him anymore and they are incredibly rare in the SoCal area.”
Lee's Auto
“Pablo is the man, followed all the Covid guidelines, and gave me great quotes!”
Why these companies made our list
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