Vacuum Pumping: Notes

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.

Vacuum Pumping Refrigerant

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 both the high pressure (HP) and low pressure (LP) sides
Operate the vacuum pump for at least 50 minutes.