Autobahn East
“I've been to dealerships and other Indys, Mark is hands down the best in the GTA.”
Best Radiator Repair in Ajax, ON
23 technicians listed · all 23 in Ajax · 9 open weekends · 21 rated 4.5+ · 1 shows a licence
Data verified October 28, 2026
Baseline Collision
“They had my vehicle fixed in no time, and the quality of work was excellent.”
Precision Motorsport
“I would definitely be coming back here and recommend them to anyone.”
Precision Auto Centre
“Turned out to need a battery and they quickly had me back on the road again within hours at a very reasonable cost.”
Henry Desjardins Automotive Inc.
“They got my alignment done here quickly and drives like it's brand new.”
Raffi Auto Corp.
“He is a genuine mechanic and I would recommend to any of those whom I know”
Listed for drivers in and around Ajax, ON, these 23 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: Ajax, ON
All 23 technicians we list here are in Ajax itself. The technicians on this page are rated from 4.1 to 5.0 across 1,445 reviews; 12 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (96%), quality (80%) and value (76%). The topics that come up most in reviews of the technicians on this page are "honest", "estimates" and "fair". 9 are open on Saturdays and 1 on Sundays. 1 shows a licence on its website. Domain records put 7 websites of the technicians on this page at ten or more years old; the oldest dates from 1997. 1 gives free estimates; 1 is family- or locally-owned and 2 list coupons or special offers. We have a website on file for 9 of the technicians on this page; 7 publish a contact page and 6 list a public email. We count these figures across the technicians on this page; hours and prices change, so confirm the details with the technician before you visit.
Are the longer-established listed shops a safer bet?
7 of the 23 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.
Stix Auto Body Collision and Repair
“Kay went above and beyond anything he needed to do through our accident claim, and he is the only one who actually seemed to care about the situation my wife and I were in.”
Brotech Automotive Service
“Jim and Nick are two of the most trusting people I've ever met, which is a rare commodity to have in their business.”
Save On Auto Repairs Inc.
“Shams is someone you can trust and you can be confident that your vehicle is in good hands.”
Master Tune-Up & Complete Auto
“Tawfik the owner and mechanic is incredibly honest and an excellent mechanic.”
Sena Auto Automotive Services
“Excellent customer service, fast work, not overpriced, great shop all around, would definitely recommend”
MB Master
“The car service was fast and efficient I am definitely coming back to this location for my oil change and other services.”
Andre's Auto Repairs
“I went to Andre, he checked and told me straight up they are fine and don't need them changed any time soon.”
Mr.c.a.r.b. (Complete Automotive Repair Business)
“First time visited Dominic for service for small repair and I was very satisfied , will be back if necessary.”
Thrifty Mechanic Shop Inc
“Mike (the owner) is very knowledgeable, and describes exactly what is going on with your vehicle.”
Ajax Pickering Rust Check
“Dan is asume with covid being so active he is taking all measures to ensure your safety.”
Quality Collision East Inc
“Great service from owner and staff, owner was honest and very reasonably priced on repainting/fixing the rust and old paint on my truck.”
Trusted Auto & Truck Service Inc
“Wonderful experience, I always go to Trusted Auto as the name suggests they are very trustworthy and never try to rip you off and charges reasonable prices.”
Rebound Sales & Service Ltd
“Last week I took my car in to have the e-brake replaced and when I picked it up, he had removed the giant paint scuffs off my car that had been there for months.”
Garraway Mechanical Services
“He explained everything well and went above and beyond to let me know my options for now and for future servicing.”
Turn 6 Turning
“If you need work done it's worth stopping in and talking to Sul the owner.”
F & S Auto Body
“He was transparent with costs which honestly were really affordable relative to what other quotes I've been given.”
Tire Mount Auto Services
“Very good service, very nice people, I recommend this place, I will definitely come back to this place”
Why these companies made our list
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