Dan's Auto Center
“We've been taking our cars here for a bit and trust this shop to give us an honest report of what is needed.”
Best Coolant & Radiator Flush near Lake Oswego, OR
3 of these mechanics are based in Lake Oswego; the others serve Lake Oswego from towns including Portland (9 mi), Tigard (4 mi) and Milwaukie (3 mi).
5 open weekends · 13 rated 4.5+ · 2 show a license
Data verified November 6, 2026
Accurate Auto
“They may not be the most inexpensive shop around but they are always correct.”
Grimm's Service
“Amazing customer service and extremely knowledgeable on most cars, European imports or otherwise”
Same Day Auto Service
“Always happy with the work and the service, as well as the customer service provided.”
Affordable Tire & Brake
“Great price for an oil change & they patched my tire for free.”
Honest-1 Auto Care
“A great place- I feel like they really take care of their customers here.”
Listed for drivers in and around Lake Oswego, OR, 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: Lake Oswego, OR
The 15 mechanics on this page are rated from 4.3 to 4.9 across 7,142 reviews; all 15 have 50 or more reviews and 13 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "diagnosis", "communication" and "price". 5 are open on Saturdays and 1 on Sundays. The services the mechanics on this page list most often on their websites are brake repair (3), engine repair (3), oil change (3), transmission repair (3) and differential service (2). 2 show a license on their websites; 6 list staff certifications (ASE) and 13 have a BBB rating of A or A+. Domain records put 15 websites of the mechanics on this page at ten or more years old; the oldest dates from 1998. 4 offer financing; 4 are family- or locally-owned and 8 list coupons or special offers. We have a website on file for all 15 of the mechanics on this page; 10 publish a contact page; 2 list a public email and 8 take bookings online. 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.
Why does this page include shops elsewhere?
3 of the 15 shops sit in Lake Oswego and the rest come from other towns within 10 mi. This is planned maintenance rather than an emergency, so booking a little further out costs you nothing but the drive.
Tigard Premier Auto Care
“I took my car there for what I thought was going to be a very costly repair but it ended up being a simple fix.”
Wally & Son Automotive
“We recently purchased a car for my oldest kid (who saved up almost the entire amount themselves) and Wally's fit it in same day for a pre-purchase inspection.”
Sherwood Auto Repair
“I've been using Sherwood Auto Repair for 20+ years, and think they are best!”
Tyler's Automotive
“They were nice to give me a ride home and back so I did have to walk home in the rain.”
Marque Motors
“Super efficient and very nice folks.”
Heckmann & Thiemann Motors
“If you want your car fixed properly and timely then go to Heikmann and Thiemann”
Jiffy Lube Oil Change and Multicare
“They offered me upgrades but did not put pressure on me to buy them all which I appreciated.”
Re-Born Automotive
“A shop run by honest people and staffed with qualified, competent MECHANICS (instead of just replacement jockeys) is a rare find, but Re Born is it in Portland.”
Gills Point S Tire & Auto Service
“If you're looking to get your vehicle worked on, I highly recommend this location.”
Why these companies made our list
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