8.16.2 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 engine 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.
Note: Coolant must be visible at the lower edge of
the cast-in eye of the filler neck.
3. Check coolant level.
4. Top up with treated coolant as necessary
(→ Page 148).
Checking engine coolant level via level sensor:
Note: Coolant level is monitored by the engine control system.
1. Switch on engine control system and check readings on the display.
2. Top up with treated coolant as necessary (→ Page 148).
M015650/06E 2018-05 | Coolant Circuit, General, High-Temperature Circuit | 145
TIM-ID: 0000006765 - 003
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