Technician A Says Old Antifreeze May Cause Corrosion Build-up In The

1.	Technician A Says Old Antifreeze May Cause Corrosion Build-up In The Cooling System. Technician B Says Some Original Equipment Manufacturers (oem) Recommend That The Coolant Be Changed At Specified Intervals. Who Is Right?
Answer» Both technicians are correct. Antifreeze or engine coolant contains corrosion inhibitor that wears out over TIME, so this is the reason it is recommended that the coolant be replaced and the system FLUSHED at a service interval. The freeze protection of the coolant NEVER changes. Both technicians are correct. Antifreeze or engine coolant contains corrosion inhibitor that wears out over time, so this is the reason it is recommended that the coolant be replaced and the system flushed at a service interval. The freeze protection of the coolant never changes.

Technician A Says Old Antifreeze May Cause Corrosion Build-up In The Cooling System. Technician B Says Some Original Equipment Manufacturers (oem) Recommend That The Coolant Be Changed At Specified Intervals. Who Is Right?

Answer»

Both technicians are correct. Antifreeze or engine coolant contains corrosion inhibitor that wears out over TIME, so this is the reason it is recommended that the coolant be replaced and the system FLUSHED at a service interval. The freeze protection of the coolant NEVER changes.

Both technicians are correct. Antifreeze or engine coolant contains corrosion inhibitor that wears out over time, so this is the reason it is recommended that the coolant be replaced and the system flushed at a service interval. The freeze protection of the coolant never changes.

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