7.15.2 Engine coolant – Level check
Preconditions
☑ Engine is stopped and starting disabled.
☑ MTU Fluids and Lubricants Specification (A001061/..) is 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.
Coolant-level check at filler neck:
1. Turn breather valve on coolant expansion
tank (→ Page 24) counterclockwise until first
stop and allow pressure to escape.
2. Continue to turn breather valve counter‐
clockwise and remove.
3. Check coolant level (coolant must be visible
at the lower edge of the cast-in eye).
Coolant-level check by means of level sensor:
1. Switch engine control system on and check display (coolant level is automatically monitored by the en‐
gine control system).
2. If required, top up with treated engine coolant (→ Page 118).
M015650/03E 2011-10 | Task Description | 115
TIM-ID: 0000006765 - 001
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