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Accurate Auto
- Work
- Candy
- Diagnosed
“Accurate Auto quoted me a little over $200 for the same test but after doing further diagnostics, determined it wasn't needed and instead took a different approach, costing much less than Audi.”
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).
4 open weekends · 23 rated 4.5+ · 2 show a license
Data verified October 16, 2026
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Dan's Auto Center
- Job
- Oil
- Vehicle
“From the moment that I called them on the phone to the moment that I picked up my 24-year-old minivan after repairs, I was blown away by their professionalism, attention to detail, honesty.”
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Grimm's Service
“A family business smaller than the large motor car maintenance companies but makes up for it with personality, knowledge, one on one care, and no run arounds.”
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Xpresso Lube
- Upsell
- Radiator
- Car Wash
“I came from a different place that tried to upsell me on something at 3x the price so I came here to get it done - they looked and verified that not only was it in great condition, they reminded me that they changed it on my car recently.”
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Affordable Tire & Brake Co.
“I've been getting all of my cars serviced at Affordable Tires for about 6 years, and I've never had any problems- great service, excellent work on the cars, and I can trust the mechanics to do only the work that's needed, and to do it well.”
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Gary's Auto Care & Tire Pros
- Tires
- Job
- Vehicle
“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.”
Listed for drivers in and around Lake Oswego, 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: Lake Oswego, OR
The 24 mechanics on this page are rated from 4.2 to 4.9 across 9,684 reviews; all 24 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (86%), quality (78%) and value (65%). The topics that come up most in reviews of the mechanics on this page are "diagnosis", "communication" and "honest". 4 are open on Saturdays and 1 on Sundays. The services the mechanics on this page list most often on their websites are brake repair (5), engine repair (5), oil change (5), suspension repair (3) and timing belt replacement (3). 2 show a license on their websites; 8 list staff certifications (ASE) and 22 have a BBB rating of A or A+. Domain records put 24 websites of the mechanics on this page at ten or more years old; the oldest dates from 1998. 5 offer financing; 8 are family- or locally-owned and 11 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.
Why does this page include shops elsewhere?
3 of the 24 shops sit in Lake Oswego and the rest come from other towns within 20 mi. This is planned maintenance rather than an emergency, so booking a little further out costs you nothing but the drive.
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Everett Street Autoworks & Mechanics
“They squeezed me in, evaluated the problem, updated all the software, replaced an air filter, cleared the codes and assured me it was safe to travel to my home.”
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Same Day Auto Service
- Oil
- Truck
- Honest
“These guys worked on my car about a decade ago and I was so blown away by the quality and HONESTY of these people, that I came back about a week ago (with the same Toyota!”
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MBI Motors
“I had thought about bringing my first Benz to MBI a year ago and decided to go somewhere 'cheaper' thinking I could beat the system by paying less to get quality work at a shop that doesn't specialize in Mercedes.”
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Tigard Premier Auto Care
- Oil
- Job
- Vehicle
“After bad experiences with other shops, it is so refreshing to find a place to take my jeep and know that everything will be done right the first time.”
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Honest-1 Auto Care
“They also have a sweet deal where you can buy a coupon sheet that comes with 4 oil changes, tire rotation and some other discounts on services that is really affordable, and way cheaper than a Jiffy lube or Valvoline.”
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Tyler's Automotive
- Truck
- Communication
- Vehicle
“Normally when you bring a car to a shop, in my experience, they only investigate the problem mentioned but Tyler's gave me a very detailed inspection for the same price of investigating the main problem.”
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Sherwood Auto Repair
- Team
- Mechanic
- Vehicle
“After hours of troubleshooting (on my end), multiple trips to the Nissan dealer, and another independent shop (who wanted to wash their hands of it), Sherwood Auto Repair was able to diagnose, repair, and get my Daughter's car back on the road for ho...”
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Motorcar Doctors Auto Repair
- Brakes
- Diagnosis
- Clutch
“The team walked me through each one and told me the best way to prioritze them, so I could spread them out over time to align better with my budgetary issues.”
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Accurate Motorwerks
- Inspection
- Honest
- BMW
“They make their recommendations based on their inspection but don't try to make you have anything done unless it's absolutely necessary (but still give you an idea of what will need to be done in the future).”
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Affordable Car Doctor
- Honest
- Work
- Price
“I had a 1998 Honda Accord for a decade and got all of the major repairs done here- I'm talking the entire water pump system, alternator, emergency radiator replacement, and they even replaced the motor in my drivers side automatic window.”
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Marque Motors
- Emissions
- Driving
- Test
“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).”
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Re-Born Automotive
- Inspection
- Work
- Communication
“As my vehicles have gotten "older" Hans recommends the routine and the preventative maintenance needed to keep my vehicles running like new, I don't believe you can find this level of service elsewhere.”
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A & P Specialties
- Communication
- Mechanic
- Audi
“ 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.”
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Wally & Son Automotive
- Vehicle
- Work
- Price
“They even performed a pre-purchase diagnostic on the new (used) vehicle I bought, and provided a list of things it might need to use as leverage for a price reduction when purchasing.”
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Atomic Auto Hybrid Repair
- Communication
- Text
- Prius
“These guys know what they are doing, are extremely kind and explained in plain English to me what was going on with my car, what I needed to have done immediately, what could be done in the future, and didn't kill me with the final bill.”
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Heckmann & Thiemann Motors
- Mechanics
- Inspection
- Vehicle
“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.”
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Hawthorne Auto Clinic
- Fair
- Oil
- Diagnosed
“When I felt overwhelmed by their service recommendations last year, they so kindly walked me through what was necessary for my safety and what could wait until I could afford it, all without condescending to me.”
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On the Go Auto Services
- Mechanic
- Job
- Oil
“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!”
Radiator Coolant Fluid Exchange Services in Lake Oswego, OR Cost Estimates
Minimum cost
$60
Maximum cost
$230
National Average
$95
$100
$150
Average price range is based on 393 cost profiles
Why these companies made our list
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