Caterpillar 3054C — Cooling System Coolant (ELC) - Change

Maintenance

For the Caterpillar 3054C, from the Caterpillar owner's manual.

Applies to: Caterpillar 3054C engine

Procedure

1. Stop the engine, allow it to cool, loosen the filler cap slowly, and remove it.
2. Open the drain valve or remove the drain plugs and allow the coolant to drain.
3. Flush the cooling system with clean water and drain.
4. Close the drain valve, clean and install the drain plugs.
5. Fill with clean water, install the filler cap, and run until 49 to 66 °C (120 to 150 °F).
6. Stop the engine, drain, and flush with clean water.
7. Fill with Extended Life Coolant (ELC); do not install the filler cap.
8. Run the engine at low idle for 5 minutes, then at high idle for one minute.
9. Check the coolant level within 13 mm (0.5 inch) below the bottom of the fill pipe.
10. Clean the filler cap and inspect the gasket; pressure test with a 9S-8140 Pressurizing Pump.

Full service-parts list: Caterpillar 3054C 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.

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