Refrigerant Circuit General Precautions: O-Rings
WARNING: This page is about a different variant/trim than selected.
- Only use seals that are resistant to refrigerant R134a and the related refrigerant oils. Color coding of O-rings is no longer offered. Colored and black O-rings are used.
- Be sure to use seals with the correct inner diameter. Refer to the appropriate Electronic Parts Information and Refrigerant Circuit (vehicle-specific repair information).
- The seals may be used only one time.
- Coat the seals lightly with refrigerant oil (PAG oil) before installing.