64 11 208 Replacing heating element (High automatic A/C)
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WARNING:
Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling refrigerant R 134a. Refer to 64 50 ... SAFETY INSTRUCTIONS FOR HANDLING REFRIGERANT R 134A .
Follow safety instructions for handling refrigerant oil. Refer to 64 50 ... SAFETY PRECAUTIONS WHEN HANDLING REFRIGERANT OIL (FOR REFRIGERANT R 134A) .
Follow safety instructions for handling refrigerant R 134a. Refer to 64 50 ... SAFETY INSTRUCTIONS FOR HANDLING REFRIGERANT R 134A .
Follow safety instructions for handling refrigerant oil. Refer to 64 50 ... SAFETY PRECAUTIONS WHEN HANDLING REFRIGERANT OIL (FOR REFRIGERANT R 134A) .
IMPORTANT:
Risk of damage!
Restart engine only when A/C system has been correctly filled.
Restart engine only when A/C system has been correctly filled.
NOTE:
If A/C system is opened for more than 24 hours: Replacing drier insert for A/C system, refer to 64 53 551 REMOVING AND INSTALLING / REPLACING CONDENSER FOR A / C SYSTEM (N62)
Necessary preliminary tasks:
- Draw off refrigerant from A/C system, refer to 64 50 009 Drawing off, evacuating and filling A/C system (R 134a)
- Remove heater, refer to 64 11 205 REMOVING AND INSTALLING/REPLACING HEATER (BASIS AUTOMATIC A/C)
After installation:
- Evacuate and fill A/C system, refer to 64 50 009 DRAWING OFF, EVACUATING AND FILLING A/C SYSTEM (R 134a)
Remove sound insulation for A/C unit (1, 2).
If necessary, detach cable ties (1).
Release retainers (2) in direction of arrow.
Installation:
Replace all sealing rings.
Release screws (1) and remove holder for pipes (2) in direction of arrow.
Remove pipes (3).
Pull heating element (1) in direction of arrow out of heater (2).