7.9.2 Charge-air coolant – Draining
Preconditions
☑ Engine is stopped and starting disabled.
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.
Charge-air coolant – Draining
1. Provide a suitable container to collect the
coolant.
2. Open union nut on drain line (2) on free end.
Result: Wait until the first coolant emerges from the
drain line of the intercooler.
3. Completely drain coolant from the intercool-
er.
4. Blow through line with compressed air.
5. Close union nut on drain line (2).
6. Provide a suitable container to collect the
coolant.
7. Open union nut on drain line (1) on driving
end.
Result: Wait until the first coolant emerges from the
drain line of the intercooler.
8. Completely drain coolant from intercooler.
9. Blow through line with compressed air.
10. Close union nut on drain line (1).
MS150119/01E 2016-02 | Charge-Air Cooling | 113
TIM-ID: 0000055252 - 003
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