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.
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HOMESERVICE MANUALSTOYOTA2004CELICA GT, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 367 (ENGINE CONTROL SYSTEM)CAMSHAFT TIMING OIL CONTROL VALVE ASSY (3MZ-FE)REPLACEMENT
2004 Toyota Celica GT, Standard
Camshaft Timing Oil Control Valve ASSY (3MZ-FE): Replacement
2004 Toyota Celica GT, StandardSECTION Replacement
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
- DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
- REMOVE V-BANK COVER SUB-ASSY (See REPLACEMENT )
- REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSY
- Disconnect the 2 camshaft timing oil control valve connectors.
- Remove the 2 bolts, then remove the 2 camshaft timing oil control valves.
HINT:
The camshaft timing oil control valve is installed with the bolt.
- INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSY
- Apply a light coat of engine oil to the O-ring on each camshaft timing oil control valve.
- Install the 2 camshaft timing oil control valves with the 2 bolts.
Torque: 8.0 N.m (80 kgf.cm, 71 in.lbf)
NOTE: Be careful not to twist the O-ring. - Connect the 2 camshaft timing oil control valve connectors.
- INSTALL V-BANK COVER SUB-ASSY (See REPLACEMENT )
- CONNECT ENGINE WIRE NO. 3 (BATTER NEGATIVE TERMINAL)
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
- CHECK FOR ENGINE OIL LEAKS
- SYSTEM INITIALIZATION (See PRECAUTION )
RENDER: 1.0x
NO RELATED
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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.