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 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

Camshaft Timing Oil Control Valve ASSY: Replacement

REMOVE V-BANK COVER
1. Remove the 2 nuts and V-bank cover.
REMOVE AIR CLEANER INLET NO. 1
REMOVE INTAKE AIR CONNECTOR PIPE
1. Disconnect the air hose and ventilation hose.
2. Remove the bolt.
3. Loosen the 2 hose clamps and remove the intake air connector pipe.
REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSY RH
1. Disconnect the oil control valve connector.
2. Remove the bolts and oil control valve.
INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSY RH
1. Install the oil control valve with the bolt.
  Torque: 7.5 N.m (76.5 kgf.cm, 66 in.lbf)
2. Connect the oil control valve connector.
INSTALL INTAKE AIR CONNECTOR PIPE
1. Install the intake air connector pipe with the bolt and 2 hose clamps.
  Torque:
  
  4.0 N.m (41 kgf.cm, 35 in.lbf) for hose clamp
  
  5.0 N.m (51 kgf.cm, 44 in.lbf) for bolt
INSTALL AIR CLEANER INLET NO. 1
INSTALL V-BANK COVER
Torque: 5.0 N.m (51 kgf.cm, 44 in.lbf)

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.

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