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 With 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 strainer for clogging If the strainer is clogged, replace the VTC oil control solenoid valve
Note the amount of valve opening by observing the position of the piston shoulder (A) through the valve retard dram port If you see the shoulder of the piston, the valve is open and must be replaced
Closed

Fig 2: Identifying Piston Shoulder - Closed
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: Identifying Battery Positive Terminal
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Connect the battery negative terminal to VTC oil control solenoid valve 2P connector terminal No 1 Appearance of the inner valve (A) in the port should be at least 0 05 in (12 mm) If the inner valve does not open, replace it, then go to step 8
Open

Fig 4: Identifying Piston Shoulder - Open
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Replace the VTC valve O-ring (A)

Fig 5: VTC Valve O-Ring With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Coat a 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