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Home >> Lexus >> 2000 >> SC 400 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Removal, Overhaul, Installation >> Variable Valve Timing (VVT) System >> Variable Valve Timing (VVT) Sensor >> Removal & Installation (GS400)

Removal & Installation (GS400)

  1. To remove left VVT sensor, remove engine cover. Remove No. 2 engine cover bracket. Disconnect hose from EVAP vacuum switching valve. Remove EVAP vacuum switching valve. Remove No. 3 engine cover bracket. Remove accelerator cable clamp. Disconnect PCV hose from front of upper intake manifold. Disconnect EVAP air inlet hose. Disconnect engine wire protector from upper intake manifold and valve cover. Disconnect VVT sensor connector. Disconnect No. 5 ignition coil/ignitor connector and No. 5 fuel injector connector. Remove bolt and pry out VVT sensor.
  2. To remove right VVT sensor, remove engine cover. Remove intake air connector pipe located between throttle body and air cleaner assembly. Disconnect VVT sensor connector. Disconnect No. 4 ignition coil/ignitor coil connector and No. 4 fuel injector connector. Remove bolt and pry out VVT sensor. To install, reverse removal procedure. Tighten VVT sensor bolt to specification. See TORQUE SPECIFICATIONS .
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