Throttle Body: Service and Repair
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.lb.)
5. REMOVE THROTTLE BODY
- 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
(6) Air hose (from intake manifold)
- Remove the 2 bolts and 2 nuts.
Torque: 21 N.m (210 kgf.cm. 15 ft.lb.)
- Slightly slide the throttle body away from the intake air connector.
- Disconnect the 2 water bypass hoses from the throttle body.
- 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.