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Home >> Lexus >> 2000 >> ES 300 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Removal, Overhaul, Installation >> Fuel System >> Fuel Rails & Injectors >> Removal (SC400)

Removal (SC400)

  1. Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Disconnect negative battery cable. Remove engine cover. Remove intake air connector pipe located between throttle body and air cleaner assembly. Disconnect accelerator cable. Remove EVAP vacuum switching valve. See Figure.
  2. Remove engine cover brackets. Disconnect brake booster vacuum hose and PCV hose from intake manifold. Disconnect fuel injector connectors. Disconnect left cylinder head ignition coil/ignitor connectors. Disconnect camshaft timing oil control valve connectors. Disconnect Variable Valve Timing (VVT) sensor connectors. See Figure.
  3. Disconnect camshaft position sensor connector. Disconnect engine wiring harness from wire clamp on left cylinder head valve cover and timing belt rear plate. Disconnect engine wiring harness from wire clamps on timing belt cover. Disconnect engine wiring harness protector and wire clamp bracket from intake manifold and left front bearing cap. Place a towel under fuel line. Slowly loosen fuel pressure pulsation damper. Remove fuel pressure pulsation dampers and gaskets.
  4. Disconnect wiring harness clamps from wire clamp bracket on right fuel rail. Remove accelerator cable bracket. Remove fuel rail-to-intake manifold nuts. Remove fuel rails and injectors as an assembly. See Figure. Remove injectors from fuel rail. Remove "O" rings, grommets and insulators from injectors.