What are the risks of continuing to drive a Honda City with a faulty thermostat?

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What are the risks of continuing to drive a Honda City with a faulty thermostat?

Can prolonged driving with a failing thermostat lead to a blown head gasket o r engine seizure?
How quickly should the thermostat be replaced to avoid expensive engine repairs?

Sirat Ul Jinan asked on 26 Feb 2025 10:56:00 am

1 Answer

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Car Mechanic Expert - on 26 Feb 2025 10:59:23 am

Prolonged Driving Risks:

Blown Head Gasket: Continued overheating can cause the head gasket to fail, resulting in coolant mixing with engine oil and loss of compression, which is a costly repair.
Engine Seizure: If the engine temperature rises too high, it can cause the internal components to warp o r seize, resulting in catastrophic engine failure.
Reduced Performance: Even a minor thermostat failure can lead to poor engine performance, reduced fuel efficiency, and unreliable operation.

Replacement Timing:

It’s crucial to replace the thermostat as soon as symptoms appear. If left unchecked, it can cause more serious and expensive engine damage.