Intake Manifold: Service and Repair

Fig. 3 Intake Manifold Tightening Sequence:

1. Disconnect battery ground cable.
2. Remove air cleaner duct from manifold.
3. Remove direct ignition unit, then drain engine coolant.
4. Disconnect coolant and vacuum hoses from manifold.
5. Remove throttle body, gasket, fuel injectors and fuel rail.
6. Remove EGR and PCV hose from manifold.
7. Remove generator and generator bracket at camshaft carrier.
8. Remove power steering bracket from intake manifold, then set power steering and bracket assembly aside.
9. Remove ECM harness to gain access to intake manifold lower retaining nuts.
10. Remove intake manifold attaching nuts, then the manifold.
11. Reverse procedure to install, using sequence shown in Fig. 3 tighten manifold attaching nuts to specification.