Intake Manifold: Service and Repair

1987
1. Disconnect battery ground cable.
2. Remove engine cover and air cleaner assembly.
3. Disconnect wire harness electrical connectors at intake manifold.
4. Disconnect accelerator, TVS and cruise control cables and bracket.
5. Remove cruise control transducer, if equipped.
6. Disconnect EGR vacuum line, then remove emissions sensor bracket at manifold.
7. Remove fuel lines, vacuum lines and wiring from TBI unit, then drain cooling system.
8. Remove coolant hoses at manifold.
9. Remove alternator rear bracket.
10. Disconnect vacuum hoses and lines at manifold, then the vacuum line clips at thermostat and manifold.
11. Disconnect spark plug and coil wires.
12. Remove intake manifold attaching bolts and washers, then the intake manifold.
13. Reverse procedure to install. Torque intake manifold attaching bolts to 25 ft. lbs.