8.17.2 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 filler neck on coolant
expansion tank counterclockwise to 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).
Checking coolant level at re-
mote cooler
1. Check coolant level (coolant must be visible
at marking plate).
2. Top up with treated coolant as necessary
(→ Page 132).
3. Check proper condition of breather valve and
clean sealing faces.
4. Place breather valve on filler neck and close.
Coolant level check by means of level sensor:
1. Switch on engine control system and check display (coolant level is automatically monitored by engine con-
trol system).
2. Top up with treated coolant as necessary (→ Page 132).
MW15409/04E 2015-08
| Task Description | 129
TIM-ID: 0000006762 - 003
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