Air intake manifold and resonators
1. Remove the engine cover (see paragraph "Intake manifold - removal and installation" in chapter 2).
2. Disconnect the positive crankcase ventilation (PCV) fresh air inlet hose (Fig. 9.2) from the air intake manifold.
Fig. 9.2. To remove the air intake duct, disconnect the PCV fresh air intake hose (1) and lower the clamps (2) at both ends of the air duct, and then disconnect the air duct from the air cleaner housing and the throttle body (showing a model with a V6 engine)
3. Loosen the clamps at both ends of the intake air duct and remove the air duct.
4. If you are replacing the intake air duct, remove the resonators (Fig. 9.4) and install them on the new intake air duct.
Fig. 9.4. To remove the resonators, loosen the clamps and remove the resonators from the intake air duct (model with VG engine shown)
5. Installation is performed in the reverse order of removal.
(The original is this website ToyotaMan)
Air filter housing
6. Remove the air filter cover and take out the filter element (see chapter 1).
7. Unscrew the air filter housing mounting bolts (Fig. 9.7).
Fig. 9.7. To remove the air filter housing, remove the three bolts (model with V6 engine shown)
8. Remove the air filter housing.
9. Installation is performed in the reverse order of removal.