VVT Solenoid, Cleaning: Cleaning
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
Allow to act for 5 minutes.
Blow compressed air into all holes from both directions and look for contamination. Carry this out with current on and off to ensure that no dirt remains in the ducts.
Rinse with cleaning agent. .
Blow again.
Lubricate the solenoid with engine oil to prevent it jamming.
After cleaning, check the function by repeating steps 1 and 2 again. If the solenoid still does not work after cleaning twice, replace the solenoid.