RPM Oil & Lube Center
“Not pushy at all, but let's you know what's going on with your car.”
Best Coolant & Radiator Flush in Portage, MI
15 mechanics listed · 6 in Portage · 4 open weekends · 7 rated 4.5+ · 1 shows a license
Data verified October 18, 2026
Kzoo Tire Company
“They have good prices and excellent customer service but the thing that stands out the most to me is their honesty and integrity.”
Airport Auto Service
“They put my motor in this, plus they worked on a few other vehicles of mine.”
R & T Auto Repair Inc
“I trust them to tell me when something is wrong, and what it takes to fix it.”
May Automotive LLC
“Were very helpful on what repairs my vehicle needed and just overall great customer service.”
Aamco Transmissions & Total Car Care
“We really appreciate the quality of work AAMCO provides when it comes to our fleet.”
Listed for drivers in and around Portage, MI, 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: Portage, MI
6 of the 15 mechanics we list are based in Portage; the other 9 serve Portage from Kalamazoo (5 mi) and Schoolcraft (7 mi). 14 of the mechanics on this page have a rating, from 4.3 to 5.0 across 2,321 reviews; 14 have 50 or more reviews and 7 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (90%), quality (86%) and value (81%). The topics that come up most in reviews of the mechanics on this page are "diagnosis" and "fair". 4 are open on Saturdays and 1 on Sundays. 1 shows a license on its website; 1 lists staff certifications (ASE) and 5 have a BBB rating of A or A+. 6 have ten or more years of experience, the longest 43 years. 1 offers financing; 1 is family- or locally-owned and 7 list coupons or special offers. We have a website on file for 14 of the mechanics on this page; 7 publish a contact page; 3 list a public email and 4 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.
Why does this page include shops elsewhere?
6 of the 15 shops sit in Portage and the rest come from other towns within 10 mi. This is planned maintenance rather than an emergency, so booking a little further out costs you nothing but the drive.
Tuffy Tire & Auto Service Center
“They confirmed everything needed replaced and we scheduled an appointment for 2 days later.”
Premier Automotive Service Center
Pure Lube Centers Sprinkle Rd.
“The guys that work there were very efficient nice and quick I was in and out of there in 10 minutes and I've got a big van so yes that's why.”
Master Mechanics
“Had extensive work done on our Camry this summer - always kept me informed of the progress.”
Persons Auto Repair
“Honest family friendly and good atmosphere quick too find problems and quick too solve it”
Westnedge Auto
“He will always give you a reasonable price and be upfront and honest with you about your vehicles problems.”
Walters Auto Service
“Alex was extremely professional- walking through the teams assessment of my vehicle and suggested work to be completed.”
131 Auto Care
“I have never had issues with their work, and they have never tried selling me things I don't need.”
Quick & Easy Lube and Oil Center
“Incredibly nice, smart about cars, and the only place in KZOO I trust to get an oil change.”
Why these companies made our list
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