A4 Quattro Wagon V6-3.0L (AVK) (2002)
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A/C Coupler O-ring: Description and Operation
O-ring seals for refrigerant circuit
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Always replace.
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Lubricate with refrigerant oil before installing.
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Ensure seal fits properly on line or notch.
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Work in clean environment.
NOTE:
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Use only O-rings that are resistant to refrigerant R-134a and refrigerant oil. These O-rings are color-coded to avoid mistakes (currently red, light
purple and dark purple).
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In addition to the color-coded O-rings, black O-rings are also used in production for certain connections.
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The O-ring dimension -a- and -b- are different depending on installation location.
