VVT Solenoid, Cleaning: Cleaning

Fig 1: Identifying Oil Feed Hole On VVT Solenoid

Courtesy of VOLVO CARS OF NORTH AMERICA.

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.