Remove the intake silencer mounting bolt (Fig. 1).
Remove the intake silencer
Fig. 1. Muffler mounting bolt: 1 - bolt
Fig. 2. Removing the vacuum hose and air filter cover mounting bolts: 1 - vacuum hose; 2 - mounting bolts
Disconnect the brake booster vacuum hose from the intake manifold (Fig. 2).
Be careful not to damage the vacuum bleed pipe on the intake manifold. If the hose is broken, replace the manifold.
Remove the two air filter cover bolts.
Remove the filter element.
Replacing the air filter (F4R engine)
Fig. 3. Removing the air filter housing cover: 1 - bolts
Remove the air filter housing cover mounting bolts.
Fig. 4. Removing the housing and filter element: 1 - housing
Remove the housing and filter element
Install the parts in reverse order
Tighten the battery cover bolts to the specified torque
Removing and installing the air filter housing (K4J engine)
Remove the upper engine covers.
Disconnect the wires from the battery terminals, starting with the negative terminals.
Fig. 5. Removing the gasket and plastic rivets: 1 - gasket: 2 - rivets
Remove the gasket and plastic rivets
Fig. Removing the Side Trim
Remove the trim
Remove the Windshield Wiper Arms Using a Special Tool
Fig. 8. Removing the front shield soundproofing material fastener: 1 - front shield soundproofing material fastener
Remove the air intake grille.
Remove the front shield soundproofing material fasteners and the front shield soundproofing material
Fig. 9. Unscrewing the intake silencer mounting bolt: 1 - Front shield soundproofing material fastener.
Unscrew the intake silencer mounting bolt.
Remove the intake silencer.
Disconnect the brake booster vacuum hose from the intake manifold.
Fig. 10. Disconnecting the brake booster vacuum hose: 1 - vacuum hose; 2 - air filter cover mounting bolts.
Remove the two air filter cover mounting bolts.
Remove the filter element.
Be careful not to damage the vacuum bleed pipe on the intake manifold.
If the pipe is broken, replace the manifold.
Fig. 11. Disconnecting the oxygen sensor mount: 1 - connector; 2 - holder
Disconnect the oxygen sensor connector and remove the holder
Fig. 12. Air distribution block mounting bolts: 1 - bolts
Unscrew the air distribution block mounting bolts
Remove the air filter housing.
Installation
Replace the throttle body gasket Lubricate the flaps each time they are removed, using grease to facilitate installation.
Also replace the plastic rivets and retainers after each removal.
Reinstall in the reverse order of removal.
Tighten the air cleaner assembly mounting bolts to the specified torque (9 Nm).
Connect the battery cables, starting with the positive terminal.
Tighten the battery cover mounting bolts to the specified torque (4 Nm).
Replacing the Air Filter (K4M Engine)
Remove the upper engine covers.
Disconnect the battery cables, starting with the negative terminal.
Remove the battery.
Disconnect the fuel injection ECU connectors.
Fig. 13. Disconnecting the ECU Connectors and Removing the Wiring Harness Mounting Flange: 1 - Connectors; 2 - Shelf; 3 - Flange
Remove the battery shelf mounting bolts and remove the wiring harness mounting flange
Disconnect the wiring harnesses from the battery shelf.
Remove the battery shelf.
Fig. 14. Removing the Injection Control Unit: 1 - Injection Control Unit
Remove the injection control unit along with the bracket.
Fig. 15. Removing the air intake pipe and air ducts: 1 - pipe; 2 - air ducts
Remove the air intake pipe and air ducts.
Remove the air filter housing.
Installation
Installation is the reverse of removal.
Tighten the battery tray mounting bolts (21 Nm).
Connect the battery terminals, starting with the positive terminal.
Tighten the battery cover mounting bolts to the specified torque (4 Nm).