Upper
UPPER INTAKE MANIFOLD
1. Disconnect and isolate the negative battery cable.
2. Disconnect the IAT sensor (5), MAP sensor (3), electronic throttle control (2) and manifold tuning valve (4) electrical connectors.
3. Loosen clamps (1) and remove air inlet hose (6) from the throttle body.
4. Disconnect the PCV (3), purge (2) and power brake booster vacuum (1) hoses from the upper intake manifold.
5. Remove two EGR tube mounting flange bolts (3) at the intake manifold.
6. Remove two EGR tube mounting flange bolts (3) at the EGR solenoid/valve (2).
7. Separate the EGR tube (4) and gasket (5) from the EGR solenoid/valve (2). Slip opposite end of tube (4) from intake manifold.
8. Remove two nuts (2) from studs on left intake manifold support brackets (1).
9. Remove the upper intake manifold retaining bolts and manifold. Clean all gasket sealing surfaces.