Audi Q7: Self-Leveling Suspension

 Air Line, Servicing

  Note Both rear axle air lines (blue and black) are completely replaced if there is a damage claim. The repair of a damaged line is not permitted. The front axle and pressure reservoir air lines are routed in the wiring harness and can be repaired. Special tools and workshop equipment

 Refrigerant R134a Capacities, Refrigerant Oil and Approved Refrigerant Oils

Approved Refrigerant Oils and Capacities   Note As PAG (polyalkylene glycol) oil is highly hygroscopic (attracts water), opened containers are to be immediately resealed so as to be air-tight. PAG oil from containers which have been open for a lengthy period is no longer usable. Refrige