XC90 FWD L6-3.2L VIN 98 B6324S (2007)
Variable Valve Timing Solenoid: Testing and Inspection
variable camshaft timing oil control solenoid
Note! Some variation in the illustrations may occur, but the essential information is always correct.
Removal
Note! Removal steps in this procedure may contain installation details.
Remove the VVT solenoid. Refer to: variable camshaft timing oil control solenoid, B6324S See: Service and Repair/Removal and Replacement/Variable
Camshaft Timing Oil Control Solenoid
Blow compressed air into the oil feed hole (2). Air should come out through the A port (1)
Blow compressed air into the oil drain hole (4). Air should come out through the B port (3)
For further function checks continue with step "check function".
If the duct seems to be blocked, go to step "cleaning".
Connect current to the solenoid. The solenoid should click.
It may be easier to hear the click if the solenoid is held.
Blow compressed air into the oil feed hole (2). Air should come out through the B port (3)
If the piston is sticking or the solenoid is not working, the direction of flow will not change. If the duct appears to be blocked, go to step "cleaning".
Use: cleaner, 1161826 (1161828 US)
Use cleaner. Allow it 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.
Use: cleaning agent, 1161721
Rinse with cleaner.
Blow again.
Regrease the solenoid with engine oil to avoid sticking.
After cleaning, check the function by repeating steps 1 and 2.
If the solenoid still malfunctions after cleaning twice, replace the solenoid.
