For 1990-2009 cars only
Removal Procedure
- Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement.
- Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
- Disconnect the engine harness electrical connector (1) from the throttle actuator control (TAC).
- Disconnect the engine harness electrical connector (2) from the fuel injector harness.
- Disconnect the engine harness electrical connector from the manifold absolute pressure (MAP) sensor.
- Disconnect the engine harness clips (1 and 3) from the intake manifold.
- Disconnect the engine harness clip (2) from the oil level indicator tube.
- Disconnect the fuel injector electrical connector clip from the intake manifold.
- Reposition the vacuum brake booster hose clamp (1) at the intake manifold.
- Remove the vacuum brake booster hose from the intake manifold.
- Remove the throttle body bolts.
- Remove the throttle body and seal.
- Remove and inspect the throttle body seal.
- Disconnect the evaporative emission (EVAP) canister purge tube from the intake manifold and the EVAP solenoid. Refer to Plastic Collar Quick Connect Fitting Service.
- Remove the oil level indicator tube. Refer to Oil Level Indicator Tube Replacement.
- Remove the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement.
- Remove the intake manifold lower bolts (1).
- Remove the intake manifold upper bolt and nuts.
- Remove the intake manifold.
- Remove and inspect the intake manifold gasket.
Note: The throttle body seal is reusable, only replace the seal if damaged.
Note: The intake manifold gasket is reusable, only replace the gasket if damage has occurred.
Installation Procedure
- Install a NEW intake manifold gasket if necessary, otherwise install the old gasket.
- Install the intake manifold.
- Install the intake manifold upper bolt and nuts.
- Install the intake manifold lower bolts (1) and tighten to 10 N·m (89 lb in).
- Install the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement.
- Install the oil level indicator tube. Refer to Oil Level Indicator Tube Replacement.
- Connect the EVAP canister purge tube to the intake manifold and the EVAP solenoid. Refer to Plastic Collar Quick Connect Fitting Service.
- Install a NEW throttle body seal if necessary, otherwise install the old seal.
- Position the throttle body.
- Install the throttle body bolts and tighten to 10 N·m (89 lb in).
- Install the vacuum brake booster hose to the intake manifold.
- Position the vacuum brake booster hose clamp (2) at the intake manifold.
- Connect the engine harness clips (1 and 3) to the intake manifold.
- Connect the engine harness clip (2) to the oil level indicator tube.
- Connect the fuel injector electrical connector clip to the intake manifold.
- Connect the engine harness electrical connector (2) to the fuel injector harness.
- Connect the engine harness electrical connector to the MAP sensor.
- Connect the engine harness electrical connector (1) to the TAC.
- Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
- Install the intake manifold cover. Refer to Intake Manifold Cover Replacement.
Caution: Refer to Fastener Caution in the Preface section.
