Have You Used Coolant Additives to Prevent Thermostat Issues?

Home > Gari Forums > Toyota Forums > Toyota Hilux Forums > Toyota Hilux Thermostat Failure Forums

Have You Used Coolant Additives to Prevent Thermostat Issues?

Some owners use coolant additives to prevent buildup and clogging. Have you tried any, and did they help extend thermostat life?

Lubaba asked on 11 Feb 2025 11:41:11 am

1 Answer

15 views |

Car Mechanic Expert - on 11 Feb 2025 11:50:38 am

Some Hilux owners use coolant additives to prevent buildup and clogging in the cooling system. These additives help reduce corrosion, improve heat transfer, and extend thermostat life. While some report positive results, such as cleaner coolant passages and better temperature regulation, others find little noticeable difference. Regular coolant flushes and using high-quality coolant are often more effective in maintaining thermostat performance and preventing issues.