For 1990-2009 cars

### Removal Procedure

Warning: Refer to Battery Disconnect Warning in the Preface section.

1. Disconnect the negative battery cable.
2. Disconnect the intake air temperature sensor connector.
3. Remove the air cleaner inlet duct from the throttle body.
4. Disconnect the electronic throttle body connector.
5. Disconnect the coolant hoses from the electronic throttle body.
6. Remove the throttle body retaining bolts.
7. Remove the throttle body and discard the gasket.

### Installation Procedure

Caution: Use care when cleaning the old gasket from the aluminum surfaces in order to prevent damage to the sealing surfaces.

1. Clean the gasket mating surface on the intake manifold.

Note: If the electronic throttle control valve is removed from the throttle body, the throttle body may be cleaned in a cold immersion type cleaner. Do not clean the electronic throttle control valve with any type of solvent or cleaner.

2. Clean the throttle body.
3. Install the electronic throttle body assembly with a new gasket.

Caution: Refer to Fastener Caution in the Preface section.

4. Install the electronic throttle body retaining nuts and bolts.

Tighten
Tighten the throttle body retaining bolts and nuts to 15 N·m (11 lb ft).

5. Connect the electronic throttle body electrical connector.
6. Install the throttle body coolant hoses.
7. Install the air cleaner inlet duct to the throttle body.
8. Connect the negative battery cable.
9. Fill the cooling system.