how to prevent my Alfa Romeo Giulia 952 (2016-Present) from overheating?

Symptoms

• Engine temperature gauge reading higher than normal
• Coolant leaking under the vehicle
• Engine warning light illuminated
• Steam rising from the engine bay
• Loss of power during driving

Diagnostic Steps

1. Inspect coolant level in the reservoir.
2. Check for leaks in hoses and radiator.
3. Examine the condition of the radiator cap.
4. Test the thermostat operation.
5. Inspect the water pump for proper function.
6. Verify the operation of the cooling fans.

Solution

1. Regular Maintenance

• Check Coolant Levels:

  • Open the hood and locate the coolant reservoir.
  • Ensure the coolant is within the recommended range; top off with the correct type of coolant if necessary.

• Inspect Hoses and Connections:

  • Visually inspect all hoses for cracks, wear, or leaks.
  • Replace any damaged hoses with OEM (Original Equipment Manufacturer) parts.

2. Cooling System Inspection

• Radiator Cap:

  • Remove the radiator cap when the engine is cool.
  • Inspect for cracks or damage and replace if necessary.

• Thermostat Test:

  • Remove the thermostat from its housing.
  • Place it in a pot of water and heat to observe if it opens at the specified temperature (consult service manual for exact value).
  • Replace if it does not operate correctly.

3. Water Pump and Fan Operation

• Water Pump Inspection:

  • Check for leaks or signs of wear on the water pump.
  • If defective, remove and replace with a new water pump.

• Cooling Fan Functionality:

  • Start the engine and let it warm up to operating temperature.
  • Ensure the cooling fans engage when the engine reaches the designated temperature.
  • If fans do not operate, test the fan relay and wiring, replacing components as necessary.