Upper Intake Manifold: Removal
- Remove the air cleaner outlet pipe. For additional information, refer to INTAKE AIR DISTRIBUTION & FILTERING article.
- Disconnect the throttle body (TB) electrical connector.
- Disconnect the evaporative emissions (EVAP) tube from the intake manifold.
- Disconnect the brake booster vacuum hose from the intake manifold.
- Disconnect the PCV tube from the PCV valve.
- Detach the wiring harness retainers from the upper intake manifold.
- Remove the upper intake manifold support bracket bolt.
- Remove the 6 bolts and remove the upper intake manifold.
- Remove and discard the gaskets.
- Clean and inspect all of the sealing surfaces of the upper and lower intake manifold.