VTC Oil Control Solenoid Valve Removal/Test/Installation

Disconnect the VTC oil control solenoid valve connector (A).

Fig 1: Disconnecting VTC Oil Control Solenoid Valve Connector And Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the bolt (B) and the VTC oil control solenoid valve (C).
Check the VTC oil control solenoid valve for sticking or clogging. If the valve is stuck or clogged, replace it, then go to step 7.
Check the clearance between the port (advance side) and the valve. Make sure the valve (A) closes fully.

Fig 2: Checking Clearance Between Port And Valve
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Connect the battery positive terminal to VTC oil control solenoid valve 2P connector terminal No. 2.

Fig 3: Connecting Battery Positive Terminal To VTC Oil Control Solenoid Valve 2P Connector Terminal
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Connect the battery negative terminal to VTC oil control solenoid valve 2P connector terminal No. 1. Clearance (A) should be at least 2.3 mm (1/16 in.). If the valve does not open, replace it; then go to step 7.

Fig 4: Checking VTC Oil Control Solenoid Valve Clearance
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Replace the VTC oil control solenoid valve O-ring (A).

Fig 5: Replacing VTC Oil Control Solenoid Valve O-Ring And Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Coat the new O-ring with engine oil, then install it.
Clean and dry the mating surface of the valve.
Install the valve.
NOTE: Do not install the valve while wearing cloth fibrous gloves. Be careful not to contaminate the cylinder head opening.