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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 132 (Engine Controls - Removal & Installation - V6 & V8) >> Fuel Systems >> Fuel Rails & Fuel Injectors >> Removal (Tacoma & Tundra 3.4L)

Removal (Tacoma & Tundra 3.4L)

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  1. Air intake chamber and intake air connector must be removed for access to fuel rails and fuel injectors. See Figure.
  2. Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE .
  3. Drain cooling system.
  4. Remove air cleaner hose.
  5. Remove bolts and air intake chamber support brace.
  6. Disconnect necessary electrical connectors, control cables, vacuum hoses and coolant hoses for removal of air intake chamber with throttle body. See Figure.
  7. Remove bolts/nuts, air intake chamber and gasket.
  8. Disconnect necessary electrical connectors, ground straps, vacuum hoses and wiring brackets for removal of intake air connector. See Figure.
  9. Remove bolts/nuts, intake air connector and gasket.
  10. Disconnect fuel return hose and hose from fuel pressure regulator. Remove bolts and fuel pressure regulator with "O" ring from fuel rail.
  11. Remove fuel inlet pipe-to-intake manifold clamp bolt. See Figure.
  12. Remove fuel inlet pipe-to-fuel rail union bolt with gaskets and disconnect fuel inlet pipe from rear of fuel rail. Note location of electrical connectors on fuel injectors for installation reference.
  13. Disconnect electrical connectors at fuel injectors.
    CAUTION: When removing fuel rails, use care not to allow fuel injectors to fall from fuel rails.
  14. Remove union bolt with gaskets, and disconnect fuel crossover pipe from front of each fuel rail. See Figure.
  15. Remove fuel rail-to-intake manifold bolts. Remove fuel rails with fuel injectors as an assembly from intake manifold.
  16. Note direction of spacer installation on intake manifold for installation reference. Remove spacers from intake manifold.
  17. Remove fuel injectors from fuel rails. Remove "O" rings and insulators from fuel injectors.
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