volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Evaporator Case > < Components In Enggine Compartment Servicing Climatronic|Page 4585
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A/C Coupler O-ring: Description and Operation

O-rings

O-rings seal connections between A/C  system components.

NOTE:

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Always use correct size O-rings (dimensions -a- and -b-).

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Do not reuse O-rings, always replace. Use only new O-rings that are compatible with R-134a refrigerant and refrigerant (PAG) oil on R-134a
systems.

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Lubricate O-rings with the appropriate refrigerant oil before installing (use PAG oil on R-134a systems).

Evaporator Case > < Components In Enggine Compartment Servicing Climatronic|Page 4585