MTU 12V4000L32F Operating Instructions Manual page 196

7.9.4 Engine coolant – Filling
Preconditions
☑ Engine is stopped and starting disabled.
☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.
Special tools, Material, Spare parts
Designation / Use
Engine coolant
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.
NOTICE
Cold coolant in hot engine can cause thermal stress.
Possible formation of cracks in the engine!
• Fill / top up coolant only into cold engine.
Filling with coolant
1. Fill with treated coolant using a pressure pump until the fuel-optimized (→ Page 28) or emissions-optimized
(→ Page 32) system filling pressure has been reached.
2. Vent engine coolant circuit at vent line.
3. Start engine and run at idle speed for a few minutes.
4. Check coolant level (→ Page 192).
196 | Coolant Circuit, General, High-Temperature Circuit | MS150104/03E 2017-09
Part No. Qty.