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.
2004 Toyota Avalon XLSFACTORY OEM SERVICE PROCEDURE
Camshaft Position Sensor: Replacement
- REMOVE V-BANK COVER
- Using a 5 mm hexagon wrench, remove the 3 cap nuts.
- Loosen the V-bank cover fastener counterclockwise.
- Remove the V-bank cover.
- REMOVE AIR CLEANER HOSE WITH RESONATOR
- REMOVE CAMSHAFT POSITION SENSORS
- Disconnect the 2 camshaft position sensor connectors.
- Remove the bolt and camshaft position sensor. Remove the 2 camshaft position sensors.
- Remove the O-rings from the camshaft position sensors.
- REINSTALL NEW CAMSHAFT POSITION SENSORS
- Install new O-rings to new camshaft position sensors.
- Install the camshaft position sensor with the bolt. Install the 2 camshaft position sensors.
Torque: 8 N.m (80 kgf.cm, 69 in.lbf)
- Connect the 2 camshaft position sensor connectors.
- REINSTALL AIR CLEANER HOSE WITH RESONATOR
- REINSTALL V-BANK COVER
- Using 5 mm hexagon wrench, install the V-bank cover with the 3 cap nuts.
- Press down the V-bank cover fastener.
Factory Service Tools
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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.