VTC Oil Control Solenoid Valve Removal/Test/Installation

Disconnect the VTC oil control solenoid valve 2P connector (A).

Fig 1: VTC Oil Control Solenoid Valve 2P Connector w/Torque Specification
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 and the solenoid valve filter for clogging. If the valve is stuck or clogged, replace the VTC oil control solenoid valve.
Check clearance between the port (advance side) and the valve. Make sure the valves (A) closes fully.
Closed

Fig 2: Identifying 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 No. 2
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 1.2 mm (0.05 in.). If the valve does not open, replace it, then go to step 7.
Open

Fig 4: Connecting Battery Negative Terminal To VTC Oil Control Solenoid Valve 2P Connector Terminal No. 1
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the VTC valve O-rings (A).

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