Best Coolant & Radiator Flush in Santa Rosa, CA

24 mechanics listed · all 24 in Santa Rosa · 8 open weekends · 19 rated 4.5+

Data verified October 16, 2026

Local Heroes Auto Care & Tires

Local Heroes Auto Care & Tires

4.9 133 reviews
“They got me in quickly and were professional and very welcoming and friendly.”
Coupons & offersSince 2019Family-ownedFinancing
1610 Piner Rd
i
Wayne & Sons Automotive Repair

Wayne & Sons Automotive Repair

4.5 63 reviews
“A year ago they had to replace my engine and fought with my warranty to make sure I wasn't having to pay more than I should have to out of pocket.”
$15 off oil change coupon24-mo/24k-mi warrantyLicense #00287981Shuttle serviceFleet accountsSince 1987
1845 Piner Rd unit b
i
Tire X & Wheels

Tire X & Wheels

4.9 102 reviews
“He's been very accommodating the times that I've been to his shop at odd hours and I love the fact that he's available to help with your car during the weekends.”
BBB A+Since 1994Prices online
615 Oak St
i
Santa Rosa Transmission & Car Care

Santa Rosa Transmission & Car Care

4.6 124 reviews
“They even got us an appointment the next day due to a cancellation, and had it done before the end of the day.”
Coupons & offers0% financingSince 1999BBB A+
1015 Santa Rosa Ave
i
Santa Rosa Hydramatic

Santa Rosa Hydramatic

4.8 71 reviews
“They come highly recommended by several other shops and they will talk you thru the decision making process.”
Coupons & offersShuttle serviceFleet accountsSince 1956Family-ownedFree consultation
1005 Cleveland Ave Ste K
i
Callagy Automotive & Smog

Callagy Automotive & Smog

4.8 75 reviews
“Each time I've taken my car in to John for one thing or another, I have left feeling that the man is thorough,honest, and without guile.”
Free inspection24-mo/24k-mi warrantySmog check stationFleet accountsSince 1985Family-owned
1008 S A St
i

Listed for drivers in and around Santa Rosa, CA, 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: Santa Rosa, CA

All 24 mechanics we list here are in Santa Rosa itself. We have 25 mechanics in Santa Rosa on file; this page shows the highest-rated 24. The mechanics on this page are rated from 4.3 to 4.9 across 5,036 reviews; 19 have 50 or more reviews and 19 are rated 4.5 or higher. The topics that come up most in reviews of the mechanics on this page are "price", "diagnosis" and "honest". 8 are open on Saturdays and 1 on Sundays. 2 list staff certifications (ASE) and 10 have a BBB rating of A or A+. 21 have ten or more years of experience, the longest 75 years. 5 offer financing; 4 give free estimates; 8 are family- or locally-owned and 12 list coupons or special offers. We have a website on file for 23 of the mechanics on this page; 17 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 Santa Rosa discount a coolant flush?

12 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.

Hahn Automotive

Hahn Automotive

4.8 123 reviews
“Such great people to do business with, explain everything, most detailed invoice I have ever seen!”
ASE-certified techsFleet accountsSince 1969Family-ownedBBB accredited
940 N Dutton Ave
i
All Around Auto Repair

All Around Auto Repair

4.9 129 reviews
“They were able to diagnose my car's issue and explain it to me in a way that I could understand.”
Since 2001Family-ownedLocally owned
1244 Central Ave
i
Larsen Auto Care / Sales

Larsen Auto Care / Sales

4.8 85 reviews
“This is my second time having my car serviced at this shop and they are very friendly and do a great job.”
Free Check Engine Light Scan24-mo/24k-mi warrantyASE-certified techsAAA-approvedHybrid & EV servicePick-up & drop-off
940 Petaluma Hill Rd
i
North Bay Bavarian

North Bay Bavarian

4.9 123 reviews
“Went in to get an inspection for my 2011 BMW 328XI Touring, guys got me in and out with a full sheet of honest accurate repairs and gave me a really good estimate!”
1-yr warrantyLoaner cars40+ yearsFamily-ownedBBB A+
1801 Empire Industrial Ct
i
Transco Transmission & Auto Repair

Transco Transmission & Auto Repair

4.7 75 reviews
“Clear with detailed report of what needed to be done with emphasis on items that could affect safety.”
Coupons & offersSince 1969Financing
1470 Santa Rosa Ave
i
BNC Auto Care

BNC Auto Care

4.6 69 reviews
“I will take my car here any day and recommend BNC as one of the best shops in town.”
Coupons & offersSince 2005Family-owned
164 Calistoga Rd
i
On Site Auto Repair

On Site Auto Repair

4.9 83 reviews
“Omar dedicated himself to finding the right part and getting our old Dodge campervan back on the road.”
$25 off new customer specialFree estimatesASE-certified techsSame-day serviceSince 2011Family-owned
363 W 9th St B & C
i
Aamco Transmissions & Total Car Care

Aamco Transmissions & Total Car Care

4.5 85 reviews
“Great service, perfetional staff and reasonable price highly recommended place 👍”
Coupons & offersFinancing availableSince 2009Locally owned
1250 Cleveland Ave
i
Gstuning (German Specialist)

Gstuning (German Specialist)

4.9 54 reviews
“Recently had my maintenance on my 2011 Audi Q5 performed, top notch repairs and customer service.”
10% off all tires tire specialASE-certified techsGerman car specialistPick-up & drop-offSame-day serviceWalk-ins welcome
955 Santa Rosa Ave
i
Hensley's Auto Smog and Repair

Hensley's Auto Smog and Repair

4.6 106 reviews
“These folks will tell you exactly what is wrong with the vehicle during Diagnostic $262 & a little after a Smog Failure.”
$20 off smog smog discountSTAR smog check stationWalk-ins welcomeSince 2003Free consultationPrices online
468 Yolanda Ave Suite 915
i
Greentech Automotive

Greentech Automotive

4.6 94 reviews
“Thats why I trust no one else except Nate and Trista at Greentech!!”
Coupons & offersSince 2009Family-owned
910 Santa Rosa Ave
i
Sartorial Auto Repairs

Sartorial Auto Repairs

4.8 76 reviews
“He gave me a very fair rate on labor for installing parts I provided”
Since 2012
3227 Santa Rosa Ave B
i
Autobahn Automotive

Autobahn Automotive

4.7 32 reviews
“They immediately knew what problems were and lent me a loaner car while repaired my car.”
BMW specialistLoaner carsSince 2007
1801 Ferdinand Ct
i
Bill's Auto Electric and Repair Inc.

Bill's Auto Electric and Repair Inc.

4.3 18 reviews
“I have always felt the repair costs were very fair and I have never left with the feeling that the job was not done to the highest quality with the best parts.”
Coupons & offersASE-certified techsLicense #AC250948Hybrid & EV serviceSince 1947BBB A+
356 W College Ave
i
Car Clinic and Smog

Car Clinic and Smog

4.8 40 reviews
“They were quick and had openings for an appt two days out.”
Since 2020
3110 Santa Rosa Ave
i
Empire Sport West

Empire Sport West

4.4 24 reviews
“I have brought my 1973 Camaro RS there many times, and I am always happy!”
1-yr warrantyFree estimatesASE-certified techsWalk-ins welcomeSince 2001
4325 Montgomery Dr
i
Valley Fast Oil & Lube

Valley Fast Oil & Lube

4.3 61 reviews
“Valley is the only oil change place I have taken my personal and business trucks to for as long as I can remember.”
Since 1981
1675 Piner Rd #1907
i
Ventura Auto Repair

Ventura Auto Repair

4.3 9 reviews
“This company went so far above and beyond what I could expect, showing great generosity and fairness and willingness to help and serve.”
Since 2019
2921 Santa Rosa Ave A
i
HomeAntifreeze & Coolant ServiceCaliforniaSanta Rosa, CA

Why these companies made our list

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