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Radiator Rules: Replace or Repair?

The radiator is the heart of any vehicle’s coolant system– it has one major job: keep the engine cool while in use. It may sound simple, but without the right type and amount of fluid circulating… your engine would overheat, seize up and leave you stranded.

Common Problems

Radiators are almost entirely maintenance-free in modern vehicles, but they can wear down and develop problems. The longer and harder a radiator is used, the sooner and more serious your radiator issue could be. The following is a short list of typical symptoms of a failing coolant system.

  • Leakage can be identified by checking for puddles of bright-coloured liquid left where your vehicle has been parked;
  • Low coolant levels are often tracked by new vehicles’ electronic sensors, but usually the reservoir can be clearly seen under the hood;
  • Watching for discolouration or rust on your radiator is a simple visual check the operator can do regularly;
  • Overheating or a spiked temperature gauge are surefire signs that your coolant system needs professional attention.


On some occasions, the damage to your radiator can cost so much to repair that it makes more sense to purchase a full replacement. Whether used or new; aftermarket or original equipment manufacturer (OEM); replacing a radiator can be a considerable investment. Here are some examples of when to consider replacement: internal rusting/discoloured coolant, major blockages or leaks; overheating where the coolant evaporates.


Alternatively, there are many other examples of when repairing or refurbishing your existing radiator is possible: moderate external rust; small debris or minor leaks; high temperatures or underperforming coolant. Always consult with an authorized technician before trying any DIY or “quick fixes.”

As you can see, there is a wide range of radiator issues with consequences ranging from inconvenient to extremely serious. If you suspect your vehicle has a faulty radiator or coolant system, do not hesitate to bring it to the professionals here at Park Muffler today! Our expert staff will help you make the right choice to get you back on the road.


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  • Family owned and operated
  • Serving Sherwood Park, Edmonton, and area since 1979
  • 25-bay service centre
  • Experienced, licensed technicians
  • In-house financing
  • Same day service for most repairs and maintenance
  • Open Saturdays

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Park Muffler Radiator Brakes & Tires | 101 Seneca Rd, Sherwood Park, AB T8A 4G6

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