Glenn's Auto & Truck Repair
“This is the best diesel mechanic in the north bay, great service and honest assessment....”
Best Coolant & Radiator Flush in Petaluma, CA
15 mechanics listed · 5 in Petaluma · 5 open weekends · 14 rated 4.5+
Data verified October 16, 2026
Larsen Auto Care / Sales
“Great customer service and they do not try to pressure you into anything, I definitely recommend them if you need ur car worked on.”
Brodie's Tire & Automotive
“Always been honest and never over emphasis something on the vehicle to make money.”
Dave's Auto Repair
“Towed it and the man that was working had in fixed quick and the price was reasonable.”
Book onlineBook
Empire Automotive
“They've also treated every other customer I've seen with great respect, kindness, and transparency.”
United Auto Repair & Tires
“Very Friendly with outstanding Customer Service, excellent pricing and excellent quality service.”
Listed for drivers in and around Petaluma, 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: Petaluma, CA
5 of the 15 mechanics we list are based in Petaluma; the other 10 serve Petaluma from Santa Rosa (15 mi) and Rohnert Park (9 mi). The mechanics on this page are rated from 4.4 to 4.9 across 2,818 reviews; 14 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", "honest" and "diagnosis". 5 are open on Saturdays and 2 on Sundays. 4 list staff certifications (ASE) and 5 have a BBB rating of A or A+. Domain records put 12 websites of the mechanics on this page at ten or more years old; the oldest dates from 2002. 5 offer financing; 1 gives free estimates; 5 are family- or locally-owned and 9 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; 5 list a public email and 7 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.
Which shops listed for Petaluma discount a coolant flush?
9 of the 15 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.
Santa Rosa Transmission & Car Care
“They have gone out of there way to be helpful.”
Callagy Automotive & Smog
“John and David are just terrific - very skilled, prompt, efficient in their scheduling, good at explaining and will go as deep or as shallow as I am in the mood for.”
Transco Transmission & Auto Repair
“They kindly let me know about other aspects of the truck that need attention soon but never once forced it at me or guilted me into saying yes.”
Mobil 1 Lube Express
“Be putting on seminars for customer care because the employees here understand it on the highest level”
Gstuning (German Specialist)
“They know what they are talking about, call and text for easy and personable service, and are genuinely just nice people.”
Automotive Excellence
“They gave me a great and honest overall assessment of my car and I really appreciated their service- I will definitely return for their service when I need to.”
Hensley's Auto Smog and Repair
“Their prices are the best around (be sure to mention the $20 off web coupon!”
Auto Repairs Unlimited
“Prompt service, knowledgeable mechanics, and they stand behind their work”
Sartorial Auto Repairs
“Sartorial was able to diagnose the problem and repair the engine in a single day, so that we could quickly and safely get back on the road.”
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
