Intake Manifold: Service and Repair

Intake Manifold Bolt Tightening Sequence:

1. Disconnect battery ground cable.
2. Remove necessary access covers.
3. Remove air cleaner and if equipped, the heat stove tube.
4. Drain cooling system.
5. Remove distributor cap and wires, then disconnect ESC connector, if applicable.
6. Remove distributor.
7. Disconnect detent and accelerator cables.
8. Disconnect cruise control transducer, cable and bracket, if equipped.
9. Remove A/C compressor and position aside.
10. Remove A/C idler pulley, if equipped.
11. Remove alternator brace.
12. Disconnect all vacuum hoses and electrical connections from the manifold and TBI unit.
13. Remove power brake vacuum pipe, and the upper radiator hose.
14. Remove heater pipe, coil wires and the EGR vacuum line.
15. Remove right hand sensors with bracket, and the right hand wiring harness.
16. Remove transmission dipstick tube, if equipped.
17. Remove intake manifold attaching bolts, then the intake manifold and gasket.
18. Reverse procedure to install, using new gaskets and seals. Coat front and rear ridges of cylinder case with a 3/16 inch bead of RTV sealant. Extend bead 1/2 inch up each cylinder head to retain side gaskets, then seal around all water passages. Using sequence shown in Fig. 5, torque manifold bolts to 35 ft. lbs.