Upper Intake Manifold: Removal
WARNING: This page is about a different car, the 2005 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
- Drain the engine cooling system. For additional information, refer to ENGINE COOLING .
- Disconnect the battery ground cable. For additional information, refer to BATTERY, MOUNTING AND CABLES .
- Remove the air cleaner outlet pipe. For additional information, refer to INTAKE AIR DISTRIBUTION & FILTERING .
- Remove the 2 bolts and position the heater hoses aside.
- Disconnect the 3 LH spark plug wires from the ignition coil, disconnect the 2 spark plug wire retainers from the upper intake manifold and position the LH spark plug wires aside.
- Disconnect the exhaust gas recirculation (EGR) system module electrical and vacuum connectors.
- Disconnect the exhaust manifold-to-EGR system module tube from the EGR system module.
- Disconnect the electronic throttle body electrical connector.
- Release the clamp and disconnect the fuel vapor tube from the upper intake manifold.
- Disconnect the 5 wiring harness retainers from the upper intake manifold.
- Release the clamp and disconnect the brake booster vacuum hose from the upper intake manifold.
- Disconnect the vacuum hose connector from the rear of the upper intake manifold.
- Release the clamps and disconnect the 2 heated positive crankcase ventilation (PCV) coolant hoses from the rear of the upper intake manifold.
- Disconnect the PCV valve hose from the rear of the upper intake manifold.
- Detach the fuel charging wiring harness-to-main engine wiring harness electrical connector retainer from the rear of the upper intake manifold.
- Remove the 8 bolts and the upper intake manifold.
CAUTION:
It is important to twist the spark plug wire boots while pulling upward to avoid possible damage to the spark plug wire.
NOTE:
Spark plug wires must be connected to the correct ignition coil terminal. Mark the spark plug wires for installation reference.