Audi Workshop Service and Repair Manuals

• ◆ Only use once and then replace.
• ◆ Moisten with refrigerant oil before use.
• ◆ Ensure that they are positioned correctly on the pipe or in the groove.
• ◆ Take care to avoid dirt.

Notes:

• ◆ Only O-ring seals which are resistant to the refrigerant R134a and the associated refrigerant oil may be installed. These O-ring seals are colour-coded to prevent confusion (currently "red", "lilac" or "violet"):

=> Parts List

• ◆ In addition to the coloured O-ring seals, black O- rings are also used during production for certain connections.
• ◆ → Dimensions -a- and -b- vary according to the fitting location of the O-ring seal:

=> Parts List