C 2500 Truck 2WD V8-454 7.4L (1985)
Intake Manifold: Service and Repair
Fig. 12 Intake Manifold Tightening Sequence 1980 - 85 V8-454
Fig. 12A Intake manifold tightening sequence. 1986 V8-454
V8-454
1980---86
1.
Disconnect battery ground cable, then drain cooling system.
2.
Remove air cleaner.
3.
Disconnect upper radiator hose and water pump bypass hose.
4.
Disconnect fuel line, accelerator linkage and cables from carburetor.
5.
Remove distributor.
6.
If equipped with A/C, remove compressor and front bracket and position aside.
7.
Remove alternator upper mounting bracket.
8.
Remove rear A/C bracket, if equipped.
9.
Remove intake manifold attaching bolts, then the intake manifold.
10.
Reverse procedure to install, using new gaskets and seals. Torque manifold bolts to specification in sequence shown in Figs. 12 and 12A.