Passat Sedan L4-1896cc 1.9L DSL Turbo (1Z) (1997)
A/C Coupler O-ring: Service and Repair
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O-rings seal connections between A/C system components
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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. On R134a equipped vehicles, use only new O-rings that are compatible with R-134a refrigerant and the
refrigerant (PAG) oil in R-134a systems.
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Lubricate O-rings with the appropriate refrigerant oil before installing (use PAG oil on R-134a systems).