Xpresso Lube
“If there is something wrong beyond a quick oil change, they'll take the time to show and explain what's going on and never pressure me to get any services done.”
Best Coolant & Radiator Flush in Portland, OR
24 mechanics listed · all 24 in Portland · 3 open weekends · 22 rated 4.5+
Data verified October 16, 2026
Affordable Tire & Brake Co.
“They have provided consistently high quality service and done repairs on simple issues like the windshield wipers and more complex issues such as the air conditioning and heating system.”
Gary's Auto Care & Tire Pros
“Excellent service, they were able to identify the root of the issue I was having and didn't pressure me into any additional services, just did exactly what was needed to get the car working.”
Everett Street Autoworks & Mechanics
“I felt very comfortable, as I always do in their business, and will continue to take my car (s) to Everett Street Autoworks & Mechanics for any repairs.”
MBI Motors
“I just recently had actually two mechanics go over my car in Sarasorta,Florida, because I was planning on driving across the United States to go to Arizona for my daughters wedding.”
Affordable Car Doctor
“I mostly worked with Rich, although throughout the process spoke with all the staff and everyone was awesome, just a genuinely a great bunch of people.”
Listed for drivers in and around Portland, OR, these 24 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: Portland, OR
All 24 mechanics we list here are in Portland itself. We have 28 mechanics in Portland on file; this page shows the highest-rated 24. The mechanics on this page are rated from 4.4 to 5.0 across 8,469 reviews; all 24 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (85%), quality (78%) and value (65%). The topics that come up most in reviews of the mechanics on this page are "communication", "diagnosis" and "honest". 3 are open on Saturdays and 2 on Sundays. 7 list staff certifications (ASE) and 16 have a BBB rating of A or A+. 20 have ten or more years of experience, the longest 55 years. 5 offer financing; 6 are family- or locally-owned and 9 list coupons or special offers. We have a website on file for all 24 of the mechanics on this page; 18 publish a contact page; 7 list a public email and 8 take bookings online. We count these figures across the mechanics on this page; hours and prices change, so confirm the details with the mechanic before you visit.
Which shops listed for Portland discount a coolant flush?
9 of the 24 shops on this page list a coupon. A discounted flush is worth taking if the service is due and worth skipping if it is not, so check the interval in your manual first. Ask which coolant the offer includes, because the cheap one may not be yours.
Marque Motors
“I was apprehensive going into it as I had been using the same shop for quite a while but had moved away from that area of town(also, I am a little obsessive about my car).”
Re-Born Automotive
“Sometimes minor recommendations, and recently when i brought in a car for an annual look-over, they pretty much told me, “Really, your car is in excellent shape!”
A & P Specialties
“ Repair times taking longer than anticipated, parts and costs that were not expected at the start of repairs, and often taking my car home only to discover new issues sometimes as soon as the next day.”
Wally & Son Automotive
“Did what they were supposed to do on a pre-purchase inspection, and gave me leverage to talk down the price with the respected dealer I was working with.”
Heckmann & Thiemann Motors
“For disposal but also a extra charge to dispose of the wiper blades was also questionable; I could have disposed of them at home and no charge would supposedly been incurred.”
Atomic Auto Hybrid Repair
“Automic was great - I learned a lot talking with the staff about power control in Hybrid systems and they did a great job getting my car checked out, oiled up, and road-worthy.”
On the Go Auto Services
“Several times they patched up some minor stuff while doing an oil change (without extra fees) and every time I learn a new trick or tip on maintaining the car (most recent: Off bug spray clears the foggy headlight covers instantaneously!”
Hawthorne Auto Clinic
“While I decided to hold off scheduling anything immediate with them, Natalie still went above and beyond by helping me understand and prioritize the future services that my car would need.”
Mickey's Automotive Services
“Scheduled out, they're busy, everyone is, and when the time came it was cheaper than expected as my vehicle apparently didn't need all the work recommended by the other shop.”
Metro Car Care Tire Pros
“I am completely blown away by how well he treated me as a customer and if you take the time to read all their reviews you can tell that he treats everyone the same way.”
All Around Automotive
“When I have to spend a lot of money on getting my car fixed (I have an old Toyota, so it happens a lot), going into All Around and laughing with James and Justin makes the whole experience better.”
K & M Auto Service
“One item of note: I would, however, encourage K and M, and other auto body providers as well, to improve the estimate completion timelines they provide customers.”
Art
“I also really like Art of Maintenance invoice they email for approval on any job required as it gives me time to look at parts required and learn more about my vehicle.”
A1 Muffler
“Not only did the very polite gentlemen not make me feel even a bit inferior but, even went out of their way to explain things and help me feel comfortable with what my car needed and didn't.”
Konkin Service Center
“Our company services all of our our vehicles here, and after I thoroughly enjoyed working with Aleks and his team I decided to bring my personal vehicles too.”
A-1 Automotive
“They gave me service options, depending on my finances and priorities and they went the extra mile to pick up parts so my service could be completed by the end of the day.”
Pro-Tech Autoworks
“I called Sunday morning with an issue with my muffler and turns out I needed a whole new one and they were able to get one in and my car fixed up perfectly by Monday evening!”
Jolene's Auto Repair
“I had already gone to the Mitsubishi dealership a couple times and they kept my car overnight and said that it was normal, they sprayed some brake quiet on and they said they didn't see a problem with it.”
Why these companies made our list
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