What should I do if my engine overheats?

Pull over immediately, turn off the engine, and let it cool for 30+ minutes. NEVER open the radiator cap when hot. Check coolant level when cool.

Can overheating damage the engine?

Yes — overheating can warp the cylinder head, blow the head gasket, and cause catastrophic engine failure. Stop driving immediately.

Critical

Cooling System

The engine coolant temperature has exceeded the safe limit. This is an overheating condition that can cause severe engine damage.

Common Fix

Fix coolant leak and replace thermostat

Estimated Cost (DIY)

$15 - $200

Low coolant level (leak)likely

Failed water pumppossible

Stuck-closed thermostatpossible

Failed cooling fanpossible

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What should I do if my engine overheats?: Pull over immediately, turn off the engine, and let it cool for 30+ minutes. NEVER open the radiator cap when hot. Check coolant level when cool.
Can overheating damage the engine?: Yes — overheating can warp the cylinder head, blow the head gasket, and cause catastrophic engine failure. Stop driving immediately.

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