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Lawless Auto L.l.c.
- Work
- Integrity
- Check Engine Light
“Love the guys did a great job Integrity means more to me than a dollar bill and I was treated the way I love to treat others I will return, Thanks Josh and all Staff”
Best Coolant & Radiator Flush in Valparaiso, IN
24 mechanics listed · 5 in Valparaiso · 11 open weekends · 18 rated 4.5+
Data verified October 18, 2026
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MTI Service Center (Valparaiso)
“It turned into a whole day job so Matt worked to get my daughter and I a ride home, then checked back in with me after leaving to make sure everything is working well.”
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Certified Auto and Transmission
“Pete dres and the guys at certified transmission and certified collision are some of the best guys when it comes to vehicle repairs of all kinds of you need work done on your car in the northwest Indiana area give them a call you won't be disappointe...”
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C & C Auto Repair
- Fair
- Owner
- Crew
“Very reasonable they get your vehicle done as soon as possible but they are a very busy auto mechanic shop because they have a very good reputation I would highly recommend taking your vehicle there if you have any issues”
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Brown Tire
“Staff was super friendly, service was very fast, got an alignment, and as I sat in the waiting area, which was cozy, they even had a fridge with free cans of pop and coffee, or water, how nice of them!”
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Portage Tire & Auto Service
“Brought them my moms truck for brakes, oil change, and a new exhaust ( 2005 gmc with over 290,000 mile) They explained everything showed me where the noise was coming from and gave me some options.”
Listed for drivers in and around Valparaiso, IN, 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: Valparaiso, IN
5 of the 24 mechanics we list are based in Valparaiso; the other 19 serve Valparaiso from towns including Chicago, IL (41 mi), Portage (8 mi) and Merrillville (16 mi). The mechanics on this page are rated from 4.1 to 5.0 across 5,718 reviews; all 24 have 50 or more reviews and 18 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (94%), quality (83%) and value (75%). The topics that come up most in reviews of the mechanics on this page are "fair", "diagnosis" and "warranty". 11 are open on Saturdays and 2 on Sundays. The services the mechanics on this page list most often on their websites are brake repair (5), check engine light (4), oil change (4), engine repair (3) and transmission (3). 7 list staff certifications (ASE) and 12 have a BBB rating of A or A+. Domain records put 16 websites of the mechanics on this page at ten or more years old; the oldest dates from 2001. 6 offer financing; 7 give free estimates; 11 are family- or locally-owned and 13 list coupons or special offers. 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.
Can I book a coolant change online with shops listed for Valparaiso?
Online booking is offered by 8 of the 24 shops. Put your engine and the coolant specification in the notes when you book, since the shop needs the right fluid on the shelf before you arrive rather than a universal jug under the counter.
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Midwest Auto Care
“They did a full inspection of our vehicles and clearly highlighted things that need immediate attention as well as suggestions for maintenance issues to consider for the future.”
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Discount Quick Lube
- Fair
- Mechanic
- Understanding
“They even offered me the cheapest option of going somewhere of my choice to purchase my own oil, and oil filter, and only being charged a $25 fee for the labor of changing the oil (but I only saved like $3, probably due to inflation).”
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The Truck Gym
- Honesty
- Bushings
- Drivers
“The guys here fixed me up real good, truck was wondering all over the road but they gave my alignment and truck drives like brand new, I def will come again if im ever in the area again and need work!”
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Adams Automotive
“Wow when they give you 5 star they are right customer service 💕💕💕detailed💕💕💕💕💕 will spread the word thanks so much guys💕😎😎😎😎 the ortiz"s …”
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Lynwood Firestone
“Second experience I would like to share was a fellow employee friend of mine about 10 years ago checked all around for specific brand tire and size at several places for about two weeks and I said for the 3rd time your wasting a lot of time, you need...”
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Cannon's Automotive Service+
- Towed
- Mechanic
- Brakes
“They go over everything with you on the repair and if there is any problem they tell what arises and explain it to you and let you decide on it as we did.”
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Aamco Transmissions & Total Car Care
- Job
- Technicians
- Manager
“From the phone call to the In person interactions he was also EXTREMELY informative didn't leave out a bit of information I would for sure recommend him and this location to anyone.”
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American Complete Auto Repair
- Truck
- Brakes
- Tires
“I was a little upset of the fact that they would not install an engine that I procured BUT after a thorough explanation, I understand why they would not use customer sourced parts for this type of job.”
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Milex Complete Auto Care
- Truck
- Team
- Inspection
“John and Joe were so nice the mechanic knows what he is doing another auto shop in Hammond gave me a quote of 3000 to fix front control arms struts and sway bar links I bought my own parts and John fixed it for 910.”
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Sun Auto Service
- Mechanic
- Matter
- Thermostat
“Super responsive when I called and Hugo was even patient with me when I provided the wrong part for the repair and allowed me to run out and grab the correct one.”
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Brach's Auto Center
- Mechanic
- Estimate
“I always feel comfortable taking my vehicle "1992 Cadillac Brougham" to Brach's because I know that I'll receive excellent service and honest estimates along with super personal customer service.”
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Avondale Auto Repair
- Work
- Warranty
- To Choose
“Honest shop - I went to their place to change my tires and they resolved an issue that occurred during the tire change flawlessly, would come here again in the future for any work that needs to be done”
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Triangle Auto Service
- Truck
- Vehicle
- Price
“I used to have an Altima with 170k + miles on it and they helped that car survive until the transmission finally quit, always offering sensible repairs for a car on its last legs.”
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Midwest Performance Cars
- BMW
- Fair
- Expertise
“Come to Midwest Performance for your one off issues and this shop actually performs diagnostics to validate the issue other than the dealership who just read OBD codes or review technical service bulletins.”
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Augusta & Paulina Service Station
- Check Engine Light
- Vehicle
- Brake
“For example, when my entire navigation panel, camera, phone radio etc broke, they were able to source a used and refurbished newer navigation system at a fraction of the cost of what a dealer had quoted.”
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Lucas Tire & Autocare
“Don't hesitate to come to this auto shop for any needs for your vehicle; they are honest people and I always say: "an honest mechanic is a value in life.”
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Hollywood Auto Parts & Service
“It's the quality of the work and peace of mind that every car owner looks for when needing a repair, there's no one that provides that better than these guys.”
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Delgado's Auto Service
“Other shops always fix the issue but then they cause another issue, not Delgados, they fix what needs to be fixed and there are never no other issues after the repairs.”
Radiator Coolant Fluid Exchange Services in Valparaiso, IN Cost Estimates
Minimum cost
$60
Maximum cost
$230
National Average
$95
$100
$150
Typical price range is based on 251 cost profiles
Why these companies made our list
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