Dorso's Automotive Repair
“Every single item was clearly documented with high-resolution photos, accompanied by transparent safety-level and urgency ratings, making it exceptionally easy to understand exactly what condition the car is in”
Best Coolant & Radiator Flush in Fremont, CA
15 mechanics listed · 13 in Fremont · 4 open weekends · 14 rated 4.5+
Data verified October 16, 2026
West Coast Auto Repair
“The owner, King, is very kind, knowledgeable about cars and does his absolute best to make sure his customers are happy.”
ABC Auto Repair & Smog
“Annabelle and Lucky run a tight ship and take care of everything.”
Fremont Auto Center
“Mike and his team, run one of the very very best repair service , competence , professionalism , courtesy , communications ..”
Fremont United Auto Service
“I keep coming back to this place because of their great services, honestly, friendliness and they do great jobs!”
Cat's Automotive Repair
“Cat and Jason took a second look at it to see if the lock could be cleaned and repaired rather than replaced”
Listed for drivers in and around Fremont, 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: Fremont, CA
13 of the 15 mechanics we list are based in Fremont; the other 2 serve Fremont from Milpitas (8 mi) and Sunnyvale (10 mi). The mechanics on this page are rated from 4.4 to 5.0 across 2,604 reviews; 13 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". 4 are open on Saturdays and 1 on Sundays. The services the mechanics on this page list most often on their websites are check engine light (4), oil change (3), brakes (2), timing belts (2) and transmission service (2). 5 list staff certifications (ASE) and 8 have a BBB rating of A or A+. Domain records put 11 websites of the mechanics on this page at ten or more years old; the oldest dates from 2002. 1 gives free estimates; 1 is family- or locally-owned and 7 list coupons or special offers. We have a website on file for 13 of the mechanics on this page; 12 publish a contact page; 3 list a public email and 6 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 Fremont discount a coolant flush?
7 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.
Asap Automotive
“I will recommend them to anyone who is looking for the best work to be done.”
High Street Automotive
“They fixed the steering coupler issue and gave me a quote over the phone.”
ZBT Auto Services
“If they didn't recommend me the services, I wouldn't know I need to service my car even more than just an oil change.”
Aztek Auto Repair
“If you're looking for reliable service and a team that treats you with respect, Aztek Auto Repair is definitely worth checking out.”
Mission Quick Oil Change LLC
“The best part is, if he's not confident in doing the job he will tell me to take it to another shop or the dealer instead rather than trying and making a mess”
RST Automotive Inc.
“My hybrid car wouldn't start, and Roger meticulously inspected it and professionally repaired and replaced parts, giving me a pleasant surprise and restoring my original car.”
Centerville Radiator & Auto
“Ken has been my mechanic for several years and has worked on all 3 of my cars with outstanding results.”
Byoc Auto Repair
“The part I needed was actually less expensive than the original quote I was given and the savings was passed on to me”
A-1 Performance Auto Repair
“My tire was punctured by a nail, they patched it in minutes and they did not even charge me for the work.”
Why these companies made our list
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