64 53 515 Replacing Desiccant Insert For Air Conditioning System

64 53 515 Replacing Desiccant Insert For Air Conditioning System







WARNING:
Danger of injury.
Refrigerant circuit is under high pressure.
Follow safety instructions for handling R 134a (tetrafluorethane) refrigerant.
Avoid contact with refrigerant and refrigerant fluid.
Follow safety instructions for handling refrigerant fluid.







IMPORTANT:
Risk of damage.
Restart engine only when air conditioning system has been correctly filled.







NOTE: Follow notes for opening and replacing parts in refrigerant circuit.

If air conditioning system is opened for more than 24 hours:
Follow instructions on replacing desiccant insert.

IMPORTANT:
The desiccant insert can only be replaced in vehicles with production dates up to 12/08.
In vehicles after 12/08, the heating and air conditioning system capacitor must be replaced.







Necessary preliminary work:
- Drawing off, evacuating and filling the heating and air conditioning system are not included in the time value given for this job item
- Remove capacitor







If necessary, pierce label over sealing cap (1).
Remove cap (1) from capacitor (2).

Installation note:
Tightening torque 64 53 12AZ.







Remove Seeger circlip ring (1) with suitable pliers.







With assistance of a screwed-in screw (1), pull the desiccant insert (2) out of the capacitor (3).







After installation:
- Top up and bleed the cooling system and check for watertightness
- Evacuate and fill heating and air conditioning system

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