Doosan — Coolant draining
Maintenance · Cooling system
From a Doosan owner's manual covering: G265, G265XW/XF, G300, G300XW/XF, G335, G335XW/XF, G400, G400XW/XF, G430, G430XW/XF, G435, G435XW/XF…. Check it applies to your exact model before use.
Applies to: Doosan P126TI engine, Doosan P126TI-II engine, Doosan P158LE engine, Doosan DP158LC engine, Doosan P180LE engine
Before you start
- When removing the pressure filler cap while hot, cover with a rag and turn slowly.
- Never open the radiator cap while the engine is overheated.
Procedure
- Remove the pressure cap.
- Open the drain valve located at the bottom of the radiator to drain coolant.
- Loosen the coolant drain plug of the cylinder block.
- Drain cooling water in the oil cooler.
Source: Doosan 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.