Engine Variable Valve Timing (VVT) Oil Control Valve Replacement
A VVT solenoid is responsible for maintaining fuel economy by regulating the supply of oil to the VVT hub.
Low oil levels can also cause problems with the VVT solenoid and other timing system parts. | Each auto manufacturer has unique codes signifying an issue with the VVT solenoids, so it’s important to have a qualified technician diagnose your vehicle.
Disconnect the battery and locate the variable valve timing solenoid, and remove the mounting | bolts. | Disconnect solenoid and remove the solenoid. | Lube the solenoid and apply the lithium grease to the seals on the solenoid spool. | Insert the solenoid into the mounting surface space. | Insert the mounting screws. | Fasten the engine cover. Reconnect the battery.
When replacing the solenoid, you may experience a slight resistance but that means that the seals are properly fitted. To overcome the resistance, twist the solenoid slightly back and forth while pushing down to get it flush with the mounting surface.
This service is important in maintaining power and fuel efficiency; it ensures that your car will be able to properly move up a hill without losing power.