Throttle Body: Service and Repair

1. DRAIN ENGINE COOLANT
2. DISCONNECT CONTROL CABLES FROM THROTTLE BODY
- Disconnect these cables:
- Accelerator cable
- Cruise control actuator cable
3. REMOVE INTAKE AIR CONNECTOR PIPE





4. DISCONNECT THROTTLE BODY BRACKET FROM THROTTLE BODY AND CYLINDER HEAD
- Remove the 4 nuts, and disconnect the throttle body bracket from the throttle body and cylinder head.

Torque: 21 N.m (210 kgf.cm, 15 ft.lb.)






5. REMOVE THROTTLE BODY
- Disconnect these connectors:
(1) Throttle position sensor connector
(2) w/TRAC:
Sub-throttle position sensor connector
(3) w/TRAC:
Sub-throttle actuator connector
(4) IAC valve connector





- Disconnect these hoses:
(1) 4 vacuum hoses
(2) Air hose (from intake manifold)
- Remove the 2 bolts and 2 nuts.

Torque: 21 N.m (210 kgf.cm, 15 ft.lb.)





- Disconnect the water bypass hose (from the No.2 water bypass pipe) from the clamp on the engine hanger.
- Slightly slide the throttle body away from the intake air connector.





- Disconnect the water bypass hose (from the No.2 water bypass pipe) from the clamp on the engine hanger.
- Slightly slide the throttle body away from the intake air connector.
- Disconnect these hoses:
(1) Water bypass hose (from water outlet)
(2) Water bypass hose (from No.2 water bypass pipe)
- Remove the throttle body and gasket.

INSTALLATION HINT: Use a new gasket.