Volkswagen Workshop Service and Repair Manuals > Polo Mk4 > Heating, ventilation, air conditioning | Air conditioning with refrigerant R134a | Technical data | General remarks on the refrigerant gas loop | Quick coupling connections in the refrigerant gas loop | Suction and filling valve, high pressure section

Suction and filling valve, high pressure section

1 -	Bearing shell with outer and inner thread

2 -	O-ring: 10.8 mm; 1.8 mm identification: black or colored

3 -	Suction and filling valve with O-ring groove and outer or inner thread M 8x1 for lid (7 ± 072 Nm)

4 -	O-ring: 10.8 mm; 1.8 mm identification: black or colored

5 -

Cap