Throttle Body: Service and Repair

COMPONENTS

REMOVAL




1. DRAIN ENGINE COOLANT
2. DISCONNECT ACCELERATOR CABLE
3. DISCONNECT THROTTLE CABLE
4. REMOVE AIR CLEANER HOSE
a. Disconnect the PCV hose.
b. Loosen the 2 hose clamps, and remove the air cleaner hose.




5. REMOVE THROTTLE BODY
a. Disconnect the throttle position sensor connector.




b. Disconnect the IAC valve connector.
c. Disconnect the water bypass hoses.
d. Disconnect the air assist hose.
e. Disconnect the 2 fuel vapor feed hoses.
f. Disconnect the vacuum hose.




g. Remove the 3 nuts, throttle body and gasket.

HINT: At the time of installation, please refer to the following items. Place a new gasket on the air intake chamber.

Torque: 19.5 Nm (200 kg.cm, 14 ft.lb)




INSTALLATION

NOTE:
- Do not give a shock to the throttle position senor.
- Do not disassemble or adjust the throttle opener.

1. INSTALLATION OF THE THROTTLE POSITION SENSOR
Installation is in the reverse order of removal.
a. Check that the throttle valve is fully open.
b. Insert the sensor to the throttle body with it turned clockwise by 30 to 600 against the fully - open valve position.
c. By turning the sensor counterclockwise, torque the sensor.




2. INSTALLATION OF THE THROTTLE BODY NO.1 AND NO.2
Set the gasket and O-ring as shown in the illustration to the illustration to the lift.