Upper Intake Manifold: Removal
- Remove intake air ducting. Disconnect wiring harness connectors as necessary. Disconnect throttle and transmission linkages from throttle body. Remove cable bracket with cables attached, and position bracket aside.
- Mark and disconnect all vacuum lines to throttle body and upper intake manifold. Disconnect coolant by-pass hose. Disconnect PCV system from fitting at rear of upper intake manifold. Remove EGR valve (if necessary).
- Remove nut retaining alternator bracket to upper intake manifold. Remove 2 bolts retaining alternator bracket to water pump and alternator. Remove bolts holding upper intake manifold to lower intake manifold. Remove upper intake manifold and throttle body as an assembly.