64 53 517 Replacing desiccant insert for air conditioning system
Special tools required:
WARNING:
Danger of injury!
Refrigerant circuit is under high pressure!
Follow safety informations for handling R 134a refrigerant . See 64 50... INSTRUCTIONS FOR HANDLING R 134A REFRIGERANT or 64 50... SAFETY INFORMATIONS FOR HANDLING TETRAFLUORETHANE REFRIGERANT R134A .
Follow safety instructions for HANDLING REFRIGERANT OIL .
Avoid contact with refrigerant and refrigerant oil.
Refrigerant circuit is under high pressure!
Follow safety informations for handling R 134a refrigerant . See 64 50... INSTRUCTIONS FOR HANDLING R 134A REFRIGERANT or 64 50... SAFETY INFORMATIONS FOR HANDLING TETRAFLUORETHANE REFRIGERANT R134A .
Follow safety instructions for HANDLING REFRIGERANT OIL .
Avoid contact with refrigerant and refrigerant oil.
IMPORTANT:
Risk of damage!
Restart engine only when A/C system has been correctly filled.
Follow INSTRUCTIONS for opening and replacing parts in refrigerant circuit.
Restart engine only when A/C system has been correctly filled.
Follow INSTRUCTIONS for opening and replacing parts in refrigerant circuit.
If air conditioning system is opened for more than 24 hours: replace desiccant insert for air conditioning system
Follow INSTRUCTIONS ON REPLACING DESICCANT INSERT .
Necessary preliminary tasks
- DRAIN OFF AIR CONDITIONING SYSTEM .
- Remove underbody protection. See 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION .
NOTE:
Pictured in removed state.
The condenser does not need to be removed for the following operations!
Remove protective cap (1) from capacitor (2).
Press sealing cap (1) inwards and remove circlip (2).
With assistance of a screwed-in screw (1), remove sealing cap (2) from capacitor (3).
Installation note:
Replace sealing rings (1).
Use special tool 00 9 030 to fit sealing rings (1) without damaging them.
IMPORTANT:
Risk of damage!
Removal is made more difficult if rib (2) is damaged!
Removal is made more difficult if rib (2) is damaged!
Carefully pull out desiccant insert (1) with a pair of wide pliers on rib (2).
Fig 5: Removing Desiccant Insert For Heating And Air Conditioning System From Capacitor Of Heating And Air Conditioning System
After installation: