International — Cleaning the cooling system
Maintenance
From a International owner's manual covering: C-152, C-196, C-304, C-345, C-392, C-446, C-537, C-605. Check it applies to your exact model before use.
Applies to: International C 549 engine
Before you start
- Use only a corrosion inhibitor that is compatible with aluminum
Procedure
- Run engine until it reaches operating temperature; stop engine and drain cooling system.
- Fill cooling system with clean coolant.
- Add a flushing compound compatible with aluminum to the cooling system per the compound instructions.
- Start engine and flush system as directed by the compound instructions.
- After flushing and cleansing of the compound, refill with clean coolant.
Source: International owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.