Checking the Pump Capacity
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.
Check the pump capacity if the pump pressure is incorrect
Shut the cock for a maximum of of 10 seconds . If the pump is not faulty the manometer pressure should rise to the correct value: maximum 11.0 MPa .
If the pressure lies outside the values:
recondition or replace the pump.