Upper Intake Manifold: Removal
- Disconnect negative battery cable. Remove air cleaner assembly. Disconnect throttle cable from throttle valve and upper intake manifold. Disconnect necessary vacuum hoses and lines from upper intake manifold.
- Disconnect necessary electrical connectors from sensors and valves. Remove DIS assembly with bracket and spark plug wires. Remove throttle body assembly. On DOHC, remove common chamber duct. See Figure.
- On both engines, remove EGR valve assembly. Remove 6 upper intake manifold retaining bolts and 2 nuts. Remove upper intake manifold.