Check to be carried out in overheating engines?

1. Check the coolant level: Ensure that the coolant level is at the appropriate level in the radiator and overflow tank. If the coolant level is low, it can lead to overheating.

2. Check for leaks: Inspect the engine for any signs of coolant leaks, such as puddles of coolant under the vehicle or visible leaks from hoses or the radiator.

3. Check the radiator cap: Make sure the radiator cap is properly sealed and functioning correctly. A faulty radiator cap can cause coolant to escape and lead to overheating.

4. Check the thermostat: Test the thermostat to ensure it is opening and closing properly. A malfunctioning thermostat can cause the engine to overheat.

5. Check the radiator fan: Ensure that the radiator fan is working correctly and turning on when the engine reaches a certain temperature. A faulty radiator fan can prevent proper cooling of the engine.

6. Check the water pump: Inspect the water pump for any signs of damage or leaks. A malfunctioning water pump can prevent the proper circulation of coolant and lead to overheating.

7. Check the engine oil: Check the engine oil level and condition. Low oil levels or dirty oil can cause the engine to overheat.

8. Check for clogged or blocked cooling system: Inspect the radiator, hoses, and coolant passages for any obstructions that may be preventing proper coolant flow.

9. Check the exhaust system: A clogged exhaust system can cause the engine to overheat. Inspect the exhaust system for any blockages or restrictions.

10. Check the overall condition of the engine: Inspect the engine for any signs of damage or wear that may be contributing to overheating. This includes checking for worn out belts, hoses, and other components.

Checks to be carried out in overheating engines:

1. Fluid Levels:

- Coolant: Check the coolant level in the reservoir and top up if necessary.
- Oil: Verify oil level and condition using dipstick or oil level sensor reading.

2. Cooling System Components:

- Radiator: Inspect for blockages, leaks, or damage.
- Radiator hoses: Check for any tears, cracks, or loose clamps.
- Thermostat: Ensure it is opening and closing properly.
- Water pump: Listen for unusual noises or leaks.

3. Electrical System:

- Cooling fan: Confirm that the fan is operating correctly and not obstructed.
- Temperature sensor: Verify its functionality and ensure it is sending accurate readings.

4. Mechanical Inspection:

- Head gasket: Check for signs of a blown head gasket, such as coolant leaking into the oil or exhaust.
- Timing belt/chain: Inspect for proper tension and any signs of wear or damage.
- Valves: Check valve clearances and ensure they are within specifications.

5. Other Checks:

- Exhaust system: Check for any obstructions or leaks that may restrict exhaust flow.
- Engine compression: Perform a compression test to identify any cylinder issues.
- Fuel system: Verify that fuel is reaching the engine and that there are no leaks.

Additional Tips:

- Park the vehicle in a safe location and allow it to cool down before starting any checks.
- Use caution when handling hot engine components.
- If the overheating is severe or persistent, consult with a qualified mechanic for further diagnosis and repair.