Your radiator is the silent guardian of your engine, battling Atlanta’s relentless summer heat and stop-and-go traffic. But when it fails-overheating, leaking, or sending steam billowing from under the hood-your day can quickly turn from routine to stressful. Whether you’re stuck on the side of I-75, waiting in a Marietta parking lot, or noticing your temperature gauge creeping up in Stone Mountain, MCAR Mobile Mechanic is ready to help. We deliver expert radiator repair and replacement in Atlanta and surrounding areas, right where you need it, 7 days a week.
Our ASE-certified technicians arrive with the tools, parts, and know-how to diagnose and fix your cooling system issues on the spot. No towing, no waiting rooms-just fast, honest service that gets you back on the road and keeps your engine running cool.
Radiator Leak Detection & Repair
We find and fix leaks in the radiator, hoses, and connections-no more puddles under your car.
Radiator Replacement
Severely damaged or corroded? We’ll install a new, high-quality radiator to restore cooling performance.
Coolant Flush & Refill
We drain old coolant, flush the system, and refill with the right mix to prevent overheating.
Thermostat & Cap Replacement
Faulty thermostat or pressure cap? We replace these critical components for reliable temperature control.
Cooling Fan & Water Pump Service
We inspect and repair fans and pumps to ensure proper coolant flow and engine cooling.
Heavy-Duty & Semi Truck Radiator Service
We handle radiator repairs and replacements for 18-wheelers, box trucks, and commercial fleets.
7 Days a Week-We work around your schedule, wherever you are in Atlanta, Marietta, Stone Mountain, or Lawrenceville.
Fast, Friendly Service-No waiting rooms, no lines, just expert care at your location.
Honest, Upfront Pricing-Clear quotes, no surprises.
Certified Technicians-ASE-certified, experienced, and trusted locally.
All Vehicles-From compact cars to heavy-duty trucks and commercial fleets.
Areas We Serve:
Downtown Atlanta , Marietta,Stone Mountain,Lawrenceville,Decatur,Tucker,East Point,Gwinnett County,DeKalb County,Fulton County
And everywhere in between
Don’t let overheating leave you stranded.
Call (800) 241-0342 for professional radiator repair at your convenience.
Or book online in under 60 seconds.
MCAR Mobile Mechanic – Atlanta’s trusted radiator repair and mobile cooling system experts. Always thorough. Always reliable.
A: Common signs include overheating, coolant leaks, low coolant levels, a rising temperature gauge, or steam from under the hood.
A: Absolutely! We service all vehicle types, including heavy-duty commercial vehicles and fleet trucks.
A: Most repairs or replacements take 60–120 minutes, depending on the issue and your vehicle.
A: No. Overheating can cause severe engine damage. Stop driving and call us for immediate service.
A: Yes! We use manufacturer-approved radiators, hoses, and coolant for every repair.
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🔗 Music City Auto Repairs – Full-service auto repair & maintenance.
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MCAR is locally owned and operated. We’re committed to quality, convenience, and keeping Atlanta drivers on the road—safely and affordably.
Mobile Auto Repair That Moves With You.