Intake Manifold: Removal
NOTE:
THE ENGINE INTAKE AND EXHAUST MANIFOLD MUST BE REMOVED AND INSTALLED TOGETHER. THE MANIFOLDS USE A COMMON GASKET AT THE CYLINDER HEAD.
- Disconnect the battery negative cable.
- Remove air cleaner inlet hose from the resonator assembly.
- Remove the air cleaner assembly.
- Remove the throttle cable, vehicle speed control cable (if equipped) and the transmission line pressure cable (Refer to AUTOMATIC - AW4/THROTTLE VALVE CABLE - REMOVAL ).
- Disconnect the following electrical connections and secure their harness out of the way:
- Throttle Position Sensor
- Idle Air Control Motor
- Coolant Temperature Sensor (at thermostat housing)
- Intake Air Temperature Sensor
- Oxygen Sensor
- Crank Position Sensor
- Six (6) Fuel Injector Connectors
- Manifold Absolute Pressure (MAP) Sensor.
- Disconnect HVAC, and Brake Booster vacuum supply hoses at the intake manifold.
- Perform the fuel pressure release procedure. (Refer to FUEL DELIVERY - STANDARD PROCEDURE ).
- Disconnect and remove the fuel system supply line from the fuel rail assembly.
- Remove the accessory drive belt (Refer to DRIVE BELTS - REMOVAL ).
- Remove the power steering pump from the intake manifold and set aside.
- Raise the vehicle.
- Disconnect the exhaust pipes from the engine exhaust manifolds.
- Lower the vehicle.
- Remove the intake manifold and exhaust manifold bolts and manifolds (Fig 1).