Diesel Data: Automotive Repair

Intake Manifold: Service and Repair

Fig. 9 Intake manifold tightening sequence.V6-229:





V6-229
1. Disconnect battery ground cable.
2. Remove air cleaner, then drain cooling system.
3. Remove AIR crossover hose, if applicable.
4. Remove alternator upper mounting bracket.
5. Disconnect all vacuum hoses and electrical connections that will interfere with manifold removal.
6. Disconnect fuel line and linkage from carburetor.
7. Disconnect spark plug wires, if necessary, then remove distributor.
8. If equipped with A/C, remove compressor and mounting bracket and position aside.
9. Remove attaching bolts, then the EGR valve.
10. Remove intake manifold attaching bolts, then the intake manifold.
11. 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. Torque manifold bolts to specification in sequence shown in Fig. 9.