Removal (Sienna)
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Toyota Tundra, 2002 Toyota Tacoma, 2002 Toyota Sienna, 2002 Toyota Sequoia, and 2002 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
- Air intake chamber must be removed for access to fuel rails and fuel injectors. See Figure. Remove caps, windshield wiper arm nuts and windshield wiper arms. Remove top seal. See Figure.
- Remove cowl top panel cap. Remove clips and disconnect windshield washer hoses. Remove driver's side and passenger's side ventilation louvers. See Figure. Remove bolts from cowl top panel. Disconnect electrical connector at windshield wiper motor. Remove cowl top panel.
- Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Drain cooling system. Remove air cleaner hose with upper cap on air cleaner. See Figure. Remove "V" bank cover.
- Disconnect control cables, electrical connectors, vacuum hoses and coolant hoses at each throttle body. Disconnect electrical connectors and vacuum hoses from vacuum switching valves on emission control valve set located on side of air intake chamber. See Figure.
- Remove nuts and disconnect power steering pressure tube from engine hanger. Disconnect necessary electrical connectors, ground straps, air assist hoses and vacuum hoses for removal of air intake chamber. Disconnect PCV hose from PCV valve on rear cylinder head.
- Remove bolts, engine hanger and throttle body bracket. See Figure. Remove bolts/nuts, air intake chamber and gasket. Remove air assist assembly and hoses. See Figure.
- Note location of electrical connectors on fuel injectors for installation reference. Disconnect electrical connectors at fuel injectors. Remove fuel pipe clamp from No. 1 fuel pipe. See Figure. Ensure area around No. 1 fuel pipe and disconnect fitting is clean.
- Depress both sides of retainer and pull No. 1 fuel pipe with disconnect fitting from fuel pipe fitting. See Figure.
- Remove fuel line-to-intake manifold clamp bolt at rear of intake manifold. This fuel line may also be referred to as No. 1 fuel pipe. Remove fuel rail-to-intake manifold bolts. Remove fuel rails with fuel injectors as an assembly from intake manifold.
- Note direction of spacer installation on intake manifold for installation reference. Remove spacers from intake manifold. Remove fuel injectors from fuel rail. Remove "O" rings, insulator and grommet from fuel injector.
CAUTION:
Use care when disconnecting No. 1 fuel pipe from fuel pipe fitting, as some residual fuel pressure may still exist in the fuel system.
CAUTION:
When removing fuel rails, use care not to allow fuel injectors to fall from fuel rails.