For 1990-2009 cars

### Removal Procedure

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

1. Disconnect the negative battery cable.
2. Drain the engine coolant. Refer to Cooling System Draining and Filling .
3. Disconnect the intake air temperature (IAT) sensor connector.
4. Loosen the clamp and disconnect the air cleaner outlet hose from the electronic throttle body with resonator attached.
5. Disconnect the electronic throttle control (ETC) sensor connector.
6. Disconnect the manifold absolute pressure (MAP) sensor connector.
7. Disconnect the coolant hoses from the electronic throttle body.
8. Disconnect all of the necessary vacuum hoses, including the brake booster vacuum hose at the intake manifold.
9. Remove the generator upper bracket.
10. Remove the generator-to-intake manifold strap bracket bolt on the intake manifold and loosen the bolt on the generator.
11. Remove the fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement .
12. Remove the evaporative (EVAP) emission canister purge solenoid valve. Refer to Evaporative Emission Canister Purge Solenoid Valve Replacement .
13. Remove the intake manifold support bracket bolt at the engine block and the intake manifold.
14. Remove the intake manifold support bracket.
15. Remove the ground terminal retaining bolt.
16. Remove the intake manifold retaining bolt and nuts in the sequence shown.
17. Remove the intake manifold.
18. Remove the intake manifold gasket.
19. Clean the sealing surfaces of the intake manifold and the cylinder head.

### Installation Procedure

1. Install a new intake manifold gasket.
2. Install the intake manifold.

Notice: Refer to Fastener Notice in the Preface section.

3. Install the intake manifold retaining bolt and nuts in the sequence shown.

Tighten
Tighten the intake manifold retaining bolt and nuts to 22 N·m (16 lb ft).

4. Install the ground wiring terminal retaining bolt to the intake manifold.
5. Install the intake manifold support bracket.

Tighten
Tighten the intake manifold support bracket bolts to the intake manifold and cylinder block to 25 N·m (18 lb ft).

6. Install the generator upper bracket.

Tighten
Tighten the generator upper bracket retaining bolts (1) to 25 N·m (18 lb ft) and the bolt (2) to 35 N·m (26 lb ft).

7. Install the generator-to-intake manifold strap bracket.

Tighten
Tighten the generator-to-intake manifold strap bracket retaining bolt (3) to 35 N·m (26 lb ft) and the bolt (4) to 25 N·m (18 lb ft).

8. Install the fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement .

Tighten
Tighten the fuel rail assembly retaining bolts to 25 N·m (18 lb ft).

9. Install the EVAP emission canister purge solenoid valve.

Tighten
Tighten the evaporative emission canister purge solenoid valve bracket bolt to 5 N·m (44 lb in).

10. Connect all of the necessary vacuum lines those were previously disconnected.
11. Connect the MAP sensor connector.
12. Connect the ETC sensor connector.
13. Connect the coolant hoses to the electronic throttle body.
14. Connect the air cleaner outlet hose to the electronic throttle body with resonator attached.
15. Connect the IAT sensor connector.
16. Connect the negative battery cable.
17. Refill the engine cooling system. Refer to Cooling System Draining and Filling .