- Cracked or damaged coolant return hose
- Deteriorated water pump gasket allowing the antifreeze leak from between water pump and engine block
- Malfunctioning thermostat
- Failing or failed radiator cap and causing pressure increase, leading to antifreeze leaking under pressure.
It is strongly recommended to fix these issues right away, otherwise:
- Low Coolant Level Causes Overheating:
- Air Pocket Formation and Engine Overheating
- Damage to Internal Engine Components