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8.9.3 Engine coolant – Draining
from MTU 10V1600C60, 12V1600A50, 10V1600A70, 12V1600A60, 12V1600A70, 12V1600C50, 12V1600C60, 12V1600C70,
Preconditions
☑ Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use Sealing ring
WARNING Coolant is hot and under pressure.
Risk of injury and scalding!
• Let the engine cool down. • Wear protective clothing, gloves, and goggles / safety mask. Part No. Qty. (→ Spare Parts Catalog)
Preparatory steps
1. Provide an appropriate container to drain the coolant into. 2. Switch off preheater, if installed.
Engine coolant – Draining
1. Turn breather valve of filler neck on coolant expansion tank counterclockwise to first stop and allow pressure to escape. 2. Continue to turn breather valve counterclockwise and remove. 3. Draw off precipitated corrosion inhibitor oil from the expansion tank through filler neck. 4. Open drain plug and drain off coolant at engine coolant pump (1).
TIM-ID: 0000031871 - 002
TIM-ID: 0000031871 - 002 5. Open drain plugs and drain coolant at crankcase, right side (1, 2).
6. Open drain plugs and drain coolant at crankcase, left side (1, 2).
Final steps
1. Insert drain plug with new sealing ring on engine coolant pump and use torque wrench to tighten to specified tightening torque.
Name
Screw Size Type M14x1.5 Tightening torque Lubricant Value/Standard
35+3 Nm
2. Install drain plugs with new sealing ring in crankcase. 3. Fit breather valve on filler neck and close it.
