Throttle Body: Service and Repair

COMPONENTS

REMOVAL
1. DRAIN ENGINE COOLANT
2. DISCONNECT ACCELERATOR CABLE FROM THROTTLE BODY
3. A/T:
DISCONNECT THROTTLE CABLE FROM THROTTLE BODY




4. REMOVE AIR CLEANER HOSE WITH RESONATOR
a. Disconnect the 2 wire clamps from the air cleaner hose.
b. Loosen the air cleaner hose clamps, remove the air cleaner together with the resonator.
5. REMOVE INTAKE AIR CONNECTOR




6. REMOVE THROTTLE BODY
a. Disconnect the PCV hose and EVAP hose.
b. Except California Spec.for 2RZ-FE:
Disconnect the 3 EGR hoses.
c. w/PS:
Disconnect the air hose for PS idle-up.
d. Disconnect the throttle position sensor connector.
e. Disconnect the IAC valve connector.




f. Remove the 2 bolts and 2 nuts, and disconnect the throttle body from the air intake chamber.

Torque: 20 Nm (200 kg.cm, 14 ft.lb)

HINT: At the time of installation, please refer to the following items.
Use a new gasket.




g. Disconnect the water bypass hoses from the throttle body, and remove the throttle body.
h. Remove the throttle body gasket.

7. Except California Spec.:
REMOVE AIR HOSE FROM IAC VALVE

INSTALLATION
Installation is in the reverse order of removal.