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How can Honda City owners in Pakistan test the thermostat at home?

How can Honda City owners in Pakistan test the thermostat at home?

What simple methods can owners use to check whether the thermostat is working properly?
Is the boiling water test effective for diagnosing a stuck thermostat?
Sirat Ul Jinan asked on 26 Feb 2025 10:56:03 am
1 Answer
26 views |
Car Mechanic Expert - on 26 Feb 2025 10:59:36 am
Simple Methods to Test the Thermostat:

Boiling Water Test: To test the thermostat, remove it from the vehicle and place it in a pot of boiling water. It should open up at a certain temperature, typically between 82°C to 88°C. If it doesn’t open, the thermostat is faulty.
Engine Temperature Monitoring: Run the engine and observe the temperature gauge. If the engine heats up quickly but doesn’t reach the normal operating temperature usually around 90°C, o r if the gauge fluctuates, the thermostat may be stuck open.

Important Considerations:

The boiling water test is effective for diagnosing whether the thermostat is stuck open o r closed.
However, this method requires you to remove the thermostat from the car, which might not be practical unless you’re familiar with the process.
 

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