Sudley Car Care Center
“Fast, efficient, friendly place that feels like a local mom and pop, not some big fancy conglomerate business.”
Best Coolant & Radiator Flush in Manassas, VA
15 mechanics listed · 6 in Manassas · 3 open weekends · 14 rated 4.5+
Data verified November 9, 2026
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We Care Auto
“Pheobe took great care of me and went the extra mile to make sure I was accommodated when I had to bring my car in for service.”
Complete Auto Center
“Everyone that I have dealt with here was great and they guarantee their work.”
Logan's Import Service Emporium
“They really go the extra mile to get to know your car and your needs.”
VA Auto Care
“The mechanics are very knowledgeable and the staff up front are very nice..”
Mars Automotive Group
“Victor and Ceasar are always friendly and answer all my questions-they do a great job with the work that needs to be done.”
Listed for drivers in and around Manassas, VA, 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: Manassas, VA
6 of the 15 mechanics we list are based in Manassas; the other 9 serve Manassas from Chantilly (10 mi) and Manassas Park (3 mi). The mechanics on this page are rated from 4.3 to 5.0 across 6,641 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 "diagnosis", "price" and "honest". 3 are open on Saturdays. 5 list staff certifications (ASE) and 4 have a BBB rating of A or A+. Domain records put 10 websites of the mechanics on this page at ten or more years old; the oldest dates from 1998. 1 offers financing; 2 give free estimates; 5 are family- or locally-owned and 5 list coupons or special offers. We have a website on file for 14 of the mechanics on this page; 11 publish a contact page; 4 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 Manassas discount a coolant flush?
5 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.
Complete Diesel
“When I finally talked to Mike, he was already very familiar and was able to fit me in despite the shop already having a very busy schedule.”
Promise Auto Repair
“My car is running great now, and I really appreciated the quality of the work and customer service.”
Porsche Chantilly Service and Parts
“Tiara was very professional in answering all the questions I had regarding the service I needed for my car!”
GT Peace Automotive
“Everyone I've dealt with at this shop is always professional, friendly and competent.”
J & L Automotive
“I recently took my Honda Civic to J&L Automotive for a tie rod repair, two new tires, and an oil change, and I couldn't be more satisfied with the service.”
Casey's Automotive
“I continue to totally trust the care that Casey's team shows my car.”
G&C Tire and Auto Service
“They were super flexible with our schedule and the work was completed in a timely manner.”
High-Tech Auto and Truck Center
“I appreciate their honesty flexibility and specific information they give regarding my 4Runner TRD Pro related to my sneeds.”
Precision Import Service
“I'd highly recommend Precision Import Services they did a great job on replacing my pads and rotors.”
Why these companies made our list
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