8.15.2 Engine coolant level – Check
Preconditions
☑ Engine is stopped and starting disabled.
☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.
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.
Checking coolant level at filler
neck:
1. Turn breather valve of coolant expansion tank
(→ Page 26) counterclockwise until the first
stop and allow pressure to escape.
2. Continue to turn breather valve counterclock-
wise and remove.
3. Check coolant level (coolant must be visible
at the lower edge of the cast-in eye of the fill-
er neck).
Coolant-level check by means of level sensor:
1. Switch engine control system on and check display (coolant level is automatically monitored by the engine
control system).
2. Top up with treated coolant as necessary (→ Page 113).
110 | Coolant Circuit, General, High-Temperature Circuit | MS150063/03E 2016-02
TIM-ID: 0000006765 - 002
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