Caterpillar 3412C — Cooling System Coolant (ELC) - Change
Maintenance
For the Caterpillar 3412C, from the Caterpillar owner's manual.
Applies to: Caterpillar 3412C, Caterpillar 3412C engine
Before you start
- Hot coolant can cause serious burns
Procedure
- Stop engine, allow to cool, remove filler cap slowly.
- Open drain valve or remove drain plugs; drain coolant.
- Flush the cooling system with clean water.
- Close drain valve; clean and install the drain plugs.
- Fill the cooling system with Extended Life Coolant (ELC).
- Start and run the engine at low idle for five minutes.
- Run at high idle for one minute to purge air cavities.
- Check coolant level and inspect the cooling system for leaks.
Specs & values
- Coolant level within 13 mm (0.5 inch) below bottom of filler pipe
- Fill no faster than 19 L (5 US gal) per minute
Full service-parts list: Caterpillar 3412C →, Caterpillar 3412C engine →
Source: Caterpillar 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.