Jetta GL L4-1.9L DSL Turbo (ALH) (2001)
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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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O-rings for use only on R-134a systems may be red, green, violet or black.
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Lubricate O-rings with the appropriate refrigerant oil before installing (only use PAG oil).
