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If your vehicle’s engine overheats, getting stranded while you wait for it to cool off could be the least of your problems. Overheating can be a sign of trouble with your radiator or coolant system, and some of those problems can lead to severe engine damage.
It’s not safe to drive a car that’s overheated. In fact, doing so could result in major engine damage that would be more expensive to fix than an older vehicle is worth.
Engines overheat because of problems with the coolant (antifreeze), thermostat or the radiator itself. Common issues include a leak in the radiator system due to corrosion or a tear in a hose, blockages in the radiator, head gasket failure or hoses that prevent the coolant from circulating properly, a broken or stuck thermostat or broken radiator parts like the water pump or radiator fan.
An overheating engine can cause antifreeze to boil and engine heads to warp. Many other engine components are also unable to withstand the extreme temperature of boiling antifreeze. Repairs are extremely expensive, if they’re possible at all.
open hood of a car with an overheated engine
If your vehicle’s warning system tells you the engine is overheated and you cannot pull over immediately, take the following steps:
After you pull over:
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