Throttle Body: Service and Repair

COMPONENTS FOR REMOVAL AND INSTALLATION

THROTTLE BODY REMOVAL

1. DRAIN ENGINE COOLANT
2. DISCONNECT CONTROL CABLES FROM THROTTLE BODY
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.lbf)

5. REMOVE THROTTLE BODY





(a) Disconnect these connectors and hoses from the throttle body:
(1) Throttle position sensor connector
(2) w/TRAC:
Sub-throttle position sensor connector
(3) w/ TRAC:
Sub-throttle actuator connector
(4) IAC valve connector
(5) 4 vacuum hoses
(6) Air hose (from intake manifold)





(b) Remove the 2 bolts and 2 nuts.

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

(c) Disconnect the 2 water bypass hoses from the clamps on the oil filter bracket and engine hanger.





(d) Slightly slide the throttle body away from the intake air connector.
(e) Disconnect the 2 water bypass hoses from the throttle body.
(f) Remove the throttle body and gasket.

INSTALLATION HINT: Use a new gasket.

THROTTLE BODY INSTALLATION

INSTALLATION HINT: Installation is in the reverse order of removal.