Throttle Body: Service and Repair
REMOVAL PROCEDURE1. Disconnect the negative battery cable.
2. Drain the cooling system. Refer to Engine Cooling.
3. Remove the air intake duct. Refer to Air Intake Duct Removal Procedure.
4. Remove the accelerator cable from throttle. Refer to Accelerator Cable Assembly Removal Procedure.
5. Disconnect the electrical connectors from the throttle position sensor and the idle air control valve solenoid.
6. Disconnect all vacuum hoses below air horn.
7. Disconnect coolant lines.
8. Remove the mounting bolts retaining the throttle body the intake manifold.
9. Lift up the throttle body from the intake manifolds.
10. Remove the gaskets from the intake manifolds.
11. Remove the IAC. Refer to Idle Air Control Valve Solenoid Removal Procedure.
12. Remove TPS. Refer to Throttle Position Sensor Removal Procedure.
INSTALLATION PROCEDURE
1. Install IAC valve onto the throttle body. Refer to Idle Air Control Valve Solenoid Installation Procedure.
2. Install TPS onto the throttle body if necessary. Refer to TPS Installation Procedure.
3. Place the gasket then the throttle body on the manifold.
4. Install four mounting bolt.
Tighten the throttle body mounting bolt to 13.5 N.m (10 lb ft).
5. Connect coolant line and secure them with clamps.
6. Connect all vacuum hoses and secure them with clamps if necessary.
7. Install accelerator control cable bracket onto the throttle body.
8. Connect accelerator control cable to throttle plate.
9. Connect electrical connector at IAC valve and TPS.
10. Install the air intake duct. Refer to Air Intake Duct Installation Procedure.
11. Fill the cooling system with required coolant. Refer to Engine Cooling.
12. Connect the negative battery cable.