Removal

REMOVAL - UPPER INTAKE MANIFOLD

1. Disconnect battery negative cable.
2. Disconnect inlet air temperature (IAT) sensor electrical connector.
3. Remove air inlet resonator to throttle body hose assembly.
4. Disconnect throttle and speed control cables from throttle body.
5. Disconnect make-up air hose support clip from throttle cable bracket.
6. Disconnect the automatic idle speed (AIS) motor and throttle position sensor (TPS) wiring connectors from throttle body.
7. Disconnect the manifold absolute pressure (MAP) sensor electrical connector.
8. Disconnect the vapor purge vacuum hose from throttle body.




Figure 1 PCV HOSE






9. Disconnect the PCV hose (Figure 1).
10. Remove the power steering reservoir attaching bolts and only loosen the nut (Figure 2). Lift reservoir up to disengage lower mount from stud. Set reservoir aside. Do not disconnect hose.
11. Disconnect the brake booster and leak detection pump (LDP) hoses from intake manifold (Figure 3).




Figure 2 POWER STEERING FLUID RESERVOIR










Figure 3 BRAKE BOOSTER & LDP VACUUM HOSES






12. Remove intake manifold bolts and remove the manifold (Figure 4).
13. Cover the lower intake manifold with a suitable cover while the upper manifold is removed.
14. Clean and inspect the upper intake manifold.




Figure 4 INTAKE MANIFOLD - UPPER