O-Ring Seals

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Make exclusive use of seals which are resistant to refrigerant R134a and the related refrigerant oils. Color coding of O-rings is no longer employed. Colored and black O-rings are used.
Be Sure To Use Seals With The Correct Inner Diameter. Refer To The Parts Information And REFRIGERANT CIRCUIT - 1 , REFRIGERANT CIRCUIT - 2 , REFRIGERANT CIRCUIT GENERAL INFORMATION R134a , REFRIGERANT CIRCUIT R134a (vehicle-specific repair information).

The O-Rings May Be Used Only One Time.
Coat the seals lightly with refrigerant oil (PAG oil) before installing.