64 53 517 Replacing Desiccant Insert For Air Conditioning System

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 information for handling R 134a (tetrafluorethane) refrigerant.
Follow safety information for handling refrigerant fluid. Avoid contact with refrigerant and refrigerant fluid.







IMPORTANT:
Risk of damage.
Restart engine only when air conditioning 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 work:
- Drain off air conditioning system
- Remove 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 from capacitor (3).







Installation note:
Replace sealing rings.

Use special tool 00 9 030 to mount sealing rings without damaging them.







IMPORTANT:
Risk of damage.
Removal is made more difficult if bridge (2) is damaged.

Carefully pull out desiccant insert (1) with a pair of wide pliers on bridge (2).