Variable Valve Timing Solenoid: Service and Repair

Camshaft Timing Oil Control Valve Part 1:

Camshaft Timing Oil Control Valve Part 2:

REMOVAL
1. REMOVE NO. 2 CYLINDER HEAD COVER
2. 2ZZ-GE:

DISCONNECT 2 PCV HOSES, UPPER FRONT FENDER APRONS EAL AND UPPER RADIATOR SUPPORT SEAL

3. 2ZZ-GE:

REMOVE GENERATOR

4. 2ZZ-GE:

REMOVE NO. 1 VENTILATION PIPE
a. Remove the 2 nuts, bolt and gasket.

HINT: At the time of installation, please refer to the following items. Use a new gasket.

b. Remove the hose clamp and disconnect No.1 ventilation pipe.




5. 1ZZ-FE:

REMOVE CAMSHAFT TIMING OIL CONTROL VALVE
a. Disconnect the oil control valve connector.
b. Remove the bolt and oil control valve.

Torque: 7.5 N.m (80 kgf.cm, 66 in.lbf)

c. Remove the O-ring from the oil control valve.

HINT: At the time of installation, please refer to the following items. Use a new O-ring.




6. 2ZZ-GE:

REMOVE 2 CAMSHAFT TIMING OIL CONTROL VALVES
a. Disconnect the oil control valve connector.
b. Remove the 2 bolts and oil control valves.

Torque: 8.5 N.m (87 kgf.cm, 75 in.lbf)

c. Remove the O-ring from the each oil control valve.

HINT: At the time of installation, please refer to the following items. Use a new O-ring.

INSPECTION







INSPECT CAMSHAFT OIL CONTROL VALVE OPERATION
Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2, and check the movement of the valve.

If operation is not as specified, replace the valve.

INSTALLATION

Installation is in the reverse order of removal.