Mitsubishi — Filling main cooling system with coolant
Maintenance
From a Mitsubishi owner's manual — check it applies to your exact model before use.
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Before you start
- Determine LLC quantity from the coolant capacity and LLC concentration chart.
Procedure
- Make sure the drain cocks on the engine and water pump are securely tightened.
- Remove the radiator cap and fill the radiator tank with undiluted LLC.
- Pour in water (soft water with minimal impurities) slowly to the full level.
- Loosen the air vent plug on the upper section of the thermostat to bleed air when adding water.
- Check the radiator and other parts for coolant leaks and repair if found.
- Install the radiator cap securely.
Source: Mitsubishi 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.