Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Camshaft Timing Oil Control Valve: Removal
- REMOVE NO. 2 CYLINDER HEAD COVER
- 2ZZ-GE:
DISCONNECT 2 PCV HOSES, UPPER FRONT FENDER APRONS SEAL AND UPPER RADIATOR SUPPORT SEAL
- 2ZZ-GE:
REMOVE GENERATOR (See REMOVAL )
- 2ZZ-GE:
REMOVE NO. 1 VENTILATION PIPE
- Remove the 2 nuts, bolt and gasket.
HINT:
At the time of installation, please refer to the following items.
Use a new gasket.
- Remove the hose clamp and disconnect No.1 ventilation pipe.
- Remove the 2 nuts, bolt and gasket.
- 1ZZ-FE:
REMOVE CAMSHAFT TIMING OIL CONTROL VALVE
- Disconnect the oil control valve connector.
- Remove the bolt and oil control valve.
Torque: 7.5 N.m (80 kgf.cm, 66 in.lbf)
- 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.
- 2ZZ-GE:
REMOVE 2 CAMSHAFT TIMING OIL CONTROL VALVES
- Disconnect the oil control valve connector.
- Remove the 2 bolts and oil control valves.
Torque: 8.5 N.m (87 kgf.cm, 75 in.lbf)
- 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.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.