After draining

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 low pressure gauge (14) will display low pressure (-0.2 - 0.4 bar) if the system is empty.

NOTE:

The engine must then be kept at room temperature.

Check that the low pressure gauge (14) displays 0 bar.

NOTE:

If the gauge is displaying low pressure, any oil that ran out when draining the air conditioning (A/C) system cannot be drained.