Intake Manifold: Service and Repair

1. On models equipped with airbag system, refer to Technician Safety Information for system disarming and arming procedures.
2. Relieve fuel system pressure as outlined under Precautions.
3. Disconnect battery ground cable.
4. Remove air cleaner, then drain cooling system.
5. Disconnect all vacuum hoses, electrical connectors, linkages and fuel line from throttle body unit.
6. Disconnect air management hose and emission canister hoses, then remove pipe bracket from lefthand valve cover.
7. Remove left hand valve cover, then the air management bracket and right hand valve cover.
8. Disconnect coolant hoses from intake manifold.
9. Disconnect electrical connectors from intake manifold.
10. Remove intake manifold attaching bolts, then the manifold.

Fig. 2 Intake Manifold Tightening Sequence:

11. Reverse procedure to install, using new gaskets. Ensure no oil or water is present on surface when new RTV is applied. Place a 3/16 inch bead of RTV sealant, part No. 1052917, or equivalent, on each ridge. Install manifold retaining bolts and nuts and tighten to specification in sequence shown, Fig. 2.