Throttle Body: Service and Repair

THROTTLE BODY REMOVAL
1. DISCONNECT NEGATIVE TERMINAL CABLE FROM BATTERY.

CAUTION: Work must not be started for at least 90 seconds from the time the ignition switch is turned to the LOCK position and the Negative (-) terminal cable is disconnected from the battery.

2. DRAIN ENGINE COOLANT.
3. REMOVE THROTTLE BODY.
(a) Disconnect the following hose, cables and connectors from the throttle body:



(1) Air hose
(2) Accelerator cable
(3) Cruise control actuator cable
(4) Throttle position sensor connector
(5) Sub-throttle position sensor connector
(6) Sub-throttle actuator connector



(b) Remove the 2 bolts and 2 nuts, and disconnect the throttle body from the air intake chamber.
(c) Remove the gasket.
(d) Disconnect the following hoses from the throttle body, and remove the throttle body:



(1) EVAP hose
(2) Water bypass hose (from No.4 water bypass pipe)
(3) Water bypass hose (from cylinder head)
(4) PS air hose


THROTTLE BODY INSTALLATION
1. INSTALL THROTTLE BODY.
(a) Connect the following hoses to the throttle body:



(1) EVAP hose
(2) Water bypass hose (from No.4 water bypass pipe)
(3) Water bypass hose (from cylinder head)
(4) PS air hose
(b) Install a new gasket to the air intake chamber.



(c) Install the throttle body with the 2 bolts and 2 nuts.

Torque: 21 Nm (15 ft.lb)

(d) Connect the following hose, cables and connectors to the throttle body:



(1) Air hose
(2) Accelerator cable
(3) Cruise control actuator cable
(4) Throttle position sensor connector
(5) Sub-throttle position sensor connector
(6) Sub-throttle actuator connector

2. FILL WITH ENGINE COOLANT.
3. CONNECT NEGATIVE TERMINAL CABLE TO BATTERY.