Vacuum pumping refrigerant

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

Check and, if necessary, top up with new compressor oil according to Refrigerant, safety regulations before vacuum-pumping the car's climate control system.

Fig 1: Identifying Vacuum Pump Connected To Service Valves

Courtesy of VOLVO CARS OF NORTH AMERICA.

During vacuum pumping, the vacuum pump can be connected to the service valves for both the high pressure (HP) and low pressure (LP) sides
Operate the vacuum pump for at least 50 minutes.