Vacuum Pumping
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.
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.
- 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.
Vacuum test
The vacuum must be checked after vacuum pumping.
- The vacuum gauge's value may only increase by 0.2 mbar one dash (0.1-0.3 mbar) during a period of 4 minutes.
NOTE:
The vacuum test is not a substitute for leak tracing.