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.




1. Remove the injector sight shield.
2. Drain the radiator coolant. Refer to Draining and Filling Cooling System in Cooling System.
3. Remove the air intake duct.




4. Disconnect the idle air control (IAC) valve electrical connector.




5. Disconnect the mass air flow (MAF) sensor electrical connector.




6. Disconnect the throttle position (TP) sensor electrical connector.




7. Disconnect the accelerator and cruise controls cable (1). Refer to Accelerator Controls Cable Replacement.




8. Remove the accelerator controls cable bracket.




9. Disconnect the vacuum line from the throttle body.




10. Remove the nut (2) from the air injection pipe (1) if applicable.




11. Remove the exhaust crossover.




12. Remove the throttle body support bracket.




13. Remove the fasteners holding the throttle body to the intake manifold.
14. Remove the throttle body assembly.
15. Clean the gasket surface on the intake manifold and the throttle body assembly.

INSTALLATION PROCEDURE




1. Install the new gasket.
2. Install the throttle body assembly.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Reinstall the throttle body 3 retaining nuts.

Tighten
Tighten the throttle body retaining nuts to 10 N.m (89 lb in).




4. Install the throttle body support bracket and bolts.

Tighten
Tighten the throttle body support bracket bolts to 16 N.m (11.8 lb ft).




5. Install the exhaust crossover.




6. Install the accelerator controls cable bracket.
7. Reinstall the air injection pipe to the throttle body it applicable.

Tighten
Tighten the nut to 11 N.m (97 lb in).




8. Connect the vacuum line to throttle body.




9. Connect the IAC valve electrical connector.




10. Connect the MAF sensor electrical connector.
11. Connect the IAT electrical connector.




12. Connect the TP sensor electrical connector.
13. Install the air intake duct.
14. Refill the radiator to replace the lost coolant. Refer to Draining and Filling Cooling System in Cooling System.




15. Install the injector sight shield.