Best Coolant & Radiator Flush in Redwood City, CA

15 mechanics listed · 6 in Redwood City · 3 open weekends · 14 rated 4.5+ · 1 shows a license

Data verified October 16, 2026

Five Points Tire

Five Points Tire

4.4 58 reviews
“Victor at Five Point Tires was extremely communicative via text, keeping me updated on my wheel repair.”
10% offFleet accountsSince 1964BBB A+
2115 El Camino Real
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Toy Auto Clinic

Toy Auto Clinic

5.0 82 reviews
“My 2001 Toyota Land Cruiser had a bad ignition coil and Chris and his team fixed it along with realizing that all the spark plug gaps were too big.”
Since 2010
816 Hurlingame Ave
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Air Care Smog Test Center

Air Care Smog Test Center

4.9 92 reviews
“Honest owner, easy service, didnt have to get out of my car, fast service, and great priced.”
Smog check stationHybrid & EV serviceWalk-ins welcomeSince 2020
75 El Camino Real
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Redwood General Tire Pros

Redwood General Tire Pros

4.7 115 reviews
“Craig explained the work needed to be completed and the team ensured the work was done on time and without an issue.”
$20 off24-mo/24k-mi warrantyFinancing availableSince 1957Family-owned
1630 Broadway
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TL Auto Repair

TL Auto Repair

4.7 127 reviews
“They explained all of the details of the issues found, costs involved and breaking it down to individual components and labor so everything is totally transparent.”
Coupons & offersSince 2020Financing
Union City, CA · 13 mi from Redwood City
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Cerrone's European Auto Specialists

Cerrone's European Auto Specialists

4.9 128 reviews
“Robet makes me feel like d place really will take care of my car n they do.”
24-mo/24k-mi warrantyASE-certified techsLand Rover specialistLoaner carsSince 1976Family-owned
2306 El Camino Real
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Listed for drivers in and around Redwood City, CA, 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: Redwood City, CA

6 of the 15 mechanics we list are based in Redwood City; the other 9 serve Redwood City from towns including Fremont (13 mi), San Carlos (2 mi) and Belmont (4 mi). The mechanics on this page are rated from 4.4 to 5.0 across 4,399 reviews; all 15 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price", "communication" and "diagnosis". 3 are open on Saturdays. The services the mechanics on this page list most often on their websites are brake repair (3), check engine light (3), oil change (3), diagnostics (2) and exhaust system (2). 1 shows a license on its website; 5 list staff certifications (ASE) and 7 have a BBB rating of A or A+. 13 have ten or more years of experience, the longest 75 years. 2 offer financing; 4 are family- or locally-owned and 10 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.

Can I book a coolant change online with shops listed for Redwood City?

Online booking is offered by 10 of the 15 shops. Put your engine and the coolant specification in the notes when you book, since the shop needs the right fluid on the shelf before you arrive rather than a universal jug under the counter.

Kuno's Inc. Japanese Auto Service Center

Kuno's Inc. Japanese Auto Service Center

4.9 38 reviews
“Kunos is the best, and most trustworthy machinic I've ever dealt with.”
12-mo/12k-mi warrantyASE-certified techsHybrid & EV serviceShuttle serviceAfter-hours key dropSince 1979
881 Douglas Ave
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Dorso's Automotive Repair

Dorso's Automotive Repair

4.9 118 reviews
“After retiring from 40yrs of working in the dealership business, this is where I prefer my vehicles to be repaired!”
Coupons & offersHybrid & EV serviceSince 1986BBB A+Locally owned
Fremont, CA · 13 mi from Redwood City
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Spiteri's Complete Auto Service

Spiteri's Complete Auto Service

4.8 120 reviews
“They did an outstanding job I highly recommend Spiteri's for any of your auto service needs ...”
Coupons & offersBBB A+Since 1984
Belmont, CA · 4 mi from Redwood City
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Ma's Auto Body

Ma's Auto Body

4.9 108 reviews
“He explained the whole process to me for what my car needed and addressed all my concerns.”
Financing availableSince 2001
Burlingame, CA · 10 mi from Redwood City
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Holland Car Care

Holland Car Care

5.0 118 reviews
“Hard to find a car service you can trust and this place earned mine.”
Since 1974BBB A+
San Carlos, CA · 2 mi from Redwood City
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Portola Valley Garage

Portola Valley Garage

4.9 89 reviews
“In spite of deluge cars waiting to be serviced/repaired, Tom ( owner) and Victor the manager remain customer focused and empathetic to their customers.”
ASE-certified techsDinan BMW performance upgrades specialistFinancing availableSince 1948BBB A+
Portola Valley, CA · 9 mi from Redwood City
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Cat's Automotive Repair

Cat's Automotive Repair

4.9 52 reviews
“I brought my car in, the work was done on-time, the quality is solid and the price was right (per my expectations).”
Coupons & offersASE certifiedSince 1986
Fremont, CA · 13 mi from Redwood City
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Asap Automotive

Asap Automotive

4.8 110 reviews
“He's extremely honest and if, for whatever reason, something may have been missed or someone made a mistake (cause we all do right?), he will ALWAYS make it right and make sure we are treated fairly.”
$10 off oil change24-mo/24k-mi warrantyASE-certified techsDomestic car specialistFleet accountsSince 1994
Fremont, CA · 13 mi from Redwood City
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Motor Masters Automotive

Motor Masters Automotive

4.8 46 reviews
“He took the time to explain what was needed, didn't try to upsell unnecessary work, and delivered exactly what he promised.”
Coupons & offersASE certifiedSince 2006Family-owned
San Mateo, CA · 6 mi from Redwood City
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HomeAntifreeze & Coolant ServiceCaliforniaRedwood City, CA

Why these companies made our list

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