For 1990-2009 cars

### Removal Procedure

1. Remove the fuel injectors and fuel rail. Refer to Fuel Injector and Fuel Rail Replacement .
2. Remove the lower intake manifold bolts (1).
3. Remove the lower intake manifold and gasket from engine. Discard the gasket.
4. Clean and inspect the intake manifold and the sealing surfaces. Refer to Intake Manifold Cleaning and Inspection .

### Installation Procedure

1. Install the lower intake manifold gasket.

Caution: Refer to Fastener Caution in the Preface section.

2. Install the lower intake manifold bolts (1) and tighten to 23 N·m (17 lb ft) .
3. Install the fuel injectors and fuel rail. Refer to Fuel Injector and Fuel Rail Replacement .