Throttle Body: Service and Repair

THROTTLE BODY REMOVAL AND INSTALLATION

REMOVAL

1. Drain engine coolant.





2. Disconnect No. 2 PCV hose from throttle body.
3. Remove air cleaner hose.
4. Disconnect cables.
- Disconnect these cables from the throttle body:
- Cruise control actuator cable
- Accelerator cable
- Throttle cable
5. Disconnect connectors.
- Disconnect these connectors:
- Throttle position sensor connector
- IAC valve connector





6. Remove throttle body.
- Disconnect these hoses:
(1) EVAP hose
(2) 3 vacuum hoses
(3) No. 2 water bypass hose





- Remove the 4 bolts, and disconnect the throttle body from the air intake chamber.
- Remove the throttle body gasket.





- Disconnect the No. 1 water bypass hose from the throttle body, and remove the throttle body.
- Disconnect the No. 2 water bypass hose from the throttle body.

INSTALLATION

1. Install the No. 2 water bypass hose to the throttle body.
- Install a new gasket on the air intake chamber.





- Connect the No. 1 water bypass hose to the throttle body.





- Install the throttle body with the 4 bolts.

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





- Connect these hoses:
(1) EVAP hose
(2) 3 vacuum hoses
(3) No. 2 water bypass hose
2. Connect connector.
- Connect these connectors:
- Throttle position sensor connector
- IAC valve connector
3. Connect cables.
- Connect these cables to the throttle body:
- Cruise control actuator cable
- Accelerator cable
- Throttle cable
4. Install air cleaner hose.
5. Connect No. 2 PCV hose to throttle body.
6. Fill with engine coolant.