Caterpillar 3054C — Cooling System Coolant (DEAC) - Change
Maintenance
For the Caterpillar 3054C, from the Caterpillar owner's manual.
Applies to: Caterpillar 3054C engine
Before you start
- Pressurized system: hot coolant can cause serious burns.
Procedure
- Stop the engine, allow it to cool, loosen the filler cap slowly, and remove it.
- Open the cooling system drain valve or remove a drain plug; allow the coolant to drain.
- Flush the cooling system with clean water to remove debris.
- Close the drain valve, clean and install the drain plugs.
- Fill with clean water and Caterpillar Fast Acting Cooling System Cleaner (0.5 L per 15 L).
- Start and run the engine at low idle for at least 30 minutes at 82 °C (180 °F).
- Stop the engine, drain, and flush with clean water until all cleaning agent is gone.
- Fill the cooling system with coolant/antifreeze.
- Run the engine at low idle, increase to 1500 rpm, and run at high idle for one minute.
- Check the coolant level within 13 mm (0.5 inch) below the bottom of the fill pipe.
- Clean and inspect the filler cap gasket; pressure test with a 9S-8140 Pressurizing Pump.
Tools required
- 9S-8140 Pressurizing Pump Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 0.5 L (1 pint) cleaner per 15 L (4 US gal)
- 82 °C (180 °F)
- 1500 rpm
- Fill no faster than 19 L (5 US gal) per minute
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.