64 53 517 Replacing desiccant insert for air conditioning system

Special tools required: 

• 00 9 030

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.

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 .

The condensor does not  need to be removed for the following operations!

Remove protective cap (1) from capacitor (2).

Fig 1: Identifying Protective Cap And Capacitor

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Press sealing cap (1) inwards and remove circlip (2).

Fig 2: Pressing Sealing Cap Inwards

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With assistance of a screwed-in screw (1), remove sealing cap (2) from capacitor (3).

Fig 3: Removing Sealing Cap From Capacitor Of Heating And Air Conditioning System

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Installation note: 

Replace sealing rings (1).

Use special tool 00 9 030 to fit sealing rings (1) without damaging them.

Fig 4: Fitting Sealing Rings Using Special Tool (00 9 030)

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

Fig 5: Inserting Heating And Air Conditioning System

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After installation: 

EVACUATE AND FILL A/C SYSTEM .