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Drain the coolant from the low-temperature cooling system

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WARNING: Hot surfaces. 
Risk of burning! 
  • Perform all work only on components that have cooled down.
NOTE: TECHNICAL INFORMATION 
Immobilization period-long fill of coolant! 
Do not reuse used coolant.
The coolant must be replaced when replacing and removing components which depend on the anti-corrosion effect of the coolant. The cooling system must therefore be emptied and refilled.
In the case of other removal work involving the draining of part quantities of coolant, the coolant level must be topped up with new coolant.
NOTE: TECHNICAL INFORMATION 
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.