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Home >> Audi >> 2017 >> S6 Prestige >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> Climate Control System (Precautions & General Information - CAEB, CGXB, CEUC, CTUA, CEUC, CAED, CHJA, CPNB, CRDB, CPNB, CREC, CTGE, CYNB, CWUC, CREH, CWUB) >> 00 General, Technical Data >> Safety Precautions >> Coolant System Safety Precautions

Coolant System Safety Precautions

When working on the coolant system, observe the following: 

WARNING:

There is a risk of scalding from hot steam and coolant.

  • Coolant system is under pressure. The coolant temperature can be higher than 90 °C (194 °F) when the engine is warm.
  • To reduce the pressure, cover the coolant reservoir cap with several cloths and then open it carefully.
CAUTION:

Danger of overheating due to an incorrectly installed sealing cap.

  • The sealing cap must engage audibly and by touch when closing.
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