Throttle Body: Service and Repair

Throttle Body Assembly Replacement

REMOVAL PROCEDURE





NOTE: Do Not use solvent of any type when cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as damage to the gasket surfaces and throttle body assembly may result.

Use care in cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as sharp tools may damage the gasket surfaces.

NOTE: Do not use any solvent that contains Methyl Ethyl ketone (MEK). This solvent may damage fuel system components.

CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.

1. Disconnect the negative battery cable.
2. Remove the air cleaner resonator from the throttle body.
3. Remove the electrical connector from the IAC valve.




4. Remove the electrical connector from the TP sensor.




5. Remove the vacuum hoses at the throttle body.
6. Remove the accelerator and cruise control cable (if so equipped).
7. Remove the accelerator cable bracket.
8. Remove the throttle body attaching bolts (2).
9. Remove the throttle body (1) from the intake manifold.

INSTALLATION PROCEDURE





NOTE: The EVAP canister may have released carbon particles which caused this part to tail and may cause damage to other components. Check the EVAP canister for loose carbon before returning the vehicle to service.

1. Install the throttle body (1).
2. Install the accelerator cable bracket.

NOTE: Refer to Fastener Notice in Cautions and Notices.

3. Install the throttle body attaching bolts (2).

Tighten
Tighten the throttle body attaching bolts to 10 N.m (89 lb in).




4. Install the accelerator and cruise control cable (if so equipped) to the throttle body.
5. Install the vacuum hoses to the throttle body.
6. Install the electrical connector to the TP sensor.




7. Install the electrical connector to the IAC valve.
8. Install the air cleaner resonator to the throttle body.

IMPORTANT: With the engine OFF, check to see that the accelerator pedal is free, by depressing the pedal to the floor and releasing.

9. Connect the negative battery cable.
10. Reset IAC valve pintle position:
10.1. Turn the ignition switch to the ON position.
10.2. Turn the ignition switch to the OFF position for 10 Seconds.
10.3. Start the engine and check for proper idle operation.