why is my Volkswagen Golf MK7.5 (2020-Present) engine overheating

Solution

1. Preparation

• Ensure the vehicle is parked on a level surface.
• Disconnect the battery to prevent electrical shorts.
• Allow the engine to cool before proceeding.

2. Replace Coolant

• Tools Required: Coolant flush kit, funnel, catch pan.
• Drain the old coolant using the drain plug located at the bottom of the radiator into a catch pan.
• Flush the cooling system with clean water.
• Refill the cooling system with the recommended coolant type (G13 or G12++) for Volkswagen.

3. Replace Thermostat

• Tools Required: Socket set, torque wrench, gasket scraper.
• Remove the thermostat housing by unscrewing the bolts (torque to manufacturer specifications).
• Take out the old thermostat and inspect for proper functionality.
• Clean the gasket surface on the engine and install a new thermostat with a new gasket.
• Reattach the thermostat housing and torque to specifications.

4. Inspect and Repair Cooling Fans

• Tools Required: Multimeter, screwdriver.
• Check the electrical connections to the cooling fans for corrosion or damage.
• Use a multimeter to test the fans for continuity and proper function.
• Replace any faulty cooling fans.

5. Check and Repair Radiator

• Tools Required: Pressure tester, socket set.
• Use a pressure tester to check the radiator for leaks.
• If leaks are found, replace the radiator following the manufacturer's specifications.