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Home >> Lexus >> 1998 >> SC 400 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel Rails & Injectors >> Removal (SC300)

Removal (SC300)

  1. Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Disconnect negative battery cable. Remove bolt and disconnect engine wire protector from air intake chamber. Disconnect brake booster vacuum hose from intake chamber. Remove brake booster union bolt, brake booster union and gaskets. Remove intake air connector-to-air intake chamber bolts and nuts.
  2. Disconnect PS air hose from air intake chamber. See Figure. Remove vacuum hose from ACIS actuator. Remove vacuum hose from No. 2 vacuum pipe. Disconnect Data Link Connector (DLC) No. 1 from air intake chamber. Remove bolts, nuts, air intake chamber and gaskets. Remove bolt and accelerator cable clamp.
  3. Place towel under fuel pipe. Remove pulsation damper and upper gasket. Remove fuel line-to-intake manifold bolt. Remove No. 2 vacuum pipe-to-intake manifold. Disconnect fuel line from fuel line support. Remove lower pulsation damper gasket.
  4. Remove engine wire protector-to-body bolt. Disconnect injector connectors. Disconnect camshaft position and throttle position connectors. Disconnect EVAP and ACIS vacuum switching valve. Remove engine wire protector-to-intake nuts.
  5. Remove bolts fuel rail with injectors. Remove injectors from fuel rail. Remove "O" rings, insulators and grommets from injectors. Remove spacers from intake manifold.
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