Vacuum test

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.

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.