Keep your engine cool with our expert radiator repair services in Mississauga.
Radiator Repair Mississauga
Professional radiator services to keep your engine from overheating.
A well-functioning radiator prevents overheating and engine damage.
We provide thorough inspections, leak repairs, and full radiator replacements when needed. Our team flushes and maintains cooling systems to ensure efficiency and longevity. We only use top-quality components to deliver reliable performance. Johnston & Magwood is your local partner for all cooling system needs.
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Comprehensive mechanical services including brake repair, oil changes, engine diagnostics, transmission, and AC repair. Affordable solutions, skilled technicians, and reliable care for peak vehicle performance.

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Get clear, straightforward answers to the most common questions from our customers.
Common signs of a failing radiator include:
- Engine overheating
- Coolant leaks under the vehicle
- Low coolant levels
- Rust or sludge in the radiator
- Warning lights on the dashboard (temperature gauge rising)
Radiator issues can result from:
- Coolant leaks due to cracked hoses or corroded components
- Clogged radiator from dirt, rust, or debris buildup
- Overheating due to a faulty thermostat or water pump failure
- Aging or damaged radiator fan
A radiator flush is recommended every 50,000 km or every 2 years, depending on the manufacturer’s guidelines.
No, driving with a radiator leak can lead to engine overheating, severe engine damage, and costly repairs. It’s best to get it repaired immediately.
Most radiator repairs take 1 to 3 hours, depending on the extent of the damage.
Possible reasons include a faulty thermostat, clogged radiator, broken water pump, or air trapped in the cooling system. A cooling system inspection can identify the issue.
Ignoring radiator issues can result in engine overheating, blown head gaskets, warped cylinder heads, and total engine failure.