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Home >> Lexus >> 2007 >> SC 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Timing Components >> Variable Valve Timing >> Variable Valve Timing Actuator Position Sensor >> Service and Repair
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Variable Valve Timing Actuator Position Sensor: Service and Repair

REMOVAL

1. DISCHARGE FUEL SYSTEM PRESSURE
2. DRAIN ENGINE COOLANT
3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

4. REMOVE V-BANK COVER.
5. REMOVE NO. 1 AIR CLEANER INLET.
6. REMOVE INTAKE AIR CONNECTOR PIPE.

7. REMOVE INTAKE MANIFOLD
a. Remove the intake manifold.

8. REMOVE VVT SENSOR




a. Remove the 2 bolts and 2 sensors.

INSTALLATION

1. INSTALL VVT SENSOR




a. Install the 2 sensors with the 2 bolts.

Torque: 7.5 N.m(76 kgf.cm, 66 in.lbf)

2. INSTALL INTAKE MANIFOLD.
a. Install the intake manifold.

3. INSTALL INTAKE AIR CONNECTOR PIPE
4. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

5. PERFORM INITIALIZATION
a. Perform initialization.

NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

6. ADD ENGINE COOLANT

7. CHECK FOR ENGINE COOLANT LEAKS
a. Check for engine coolant leaks.

8. INSTALL NO. 1 AIR CLEANER INLET
9. INSTALL V-BANK COVER
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