W350 1 Ton Pickup 4WD V8-360 5.9L VIN 1 4-bbl (1988)
Camshaft: Service and Repair
Fig. 20 Camshaft Assembly
Fig. 21 Camshaft Assembly
Fig. 22 Install Camshaft Holding Tool
When removing camshaft or bearings, it is required that the engine be removed from chassis.
REMOVAL
1.
Remove intake manifold, cylinder head covers, timing chain cover and timing chain.
2.
Remove rocker arm or rocker shaft assemblies.
3.
Remove pushrods and lifters using suitable tool. Identify lifters to ensure correct position during installation.
4.
Remove distributor, then lift out oil pump and distributor driveshaft.
5.
Remove camshaft thrust plate noting location of oil tab.
6.
Install long bolt into front of camshaft to facilitate removal, then remove camshaft from engine, Figs. 20 and 21.
INSTALLATION
1.
Lubricate camshaft lobes and bearing journals, then install camshaft within two inches of final position in cylinder block.
2.
Install tool No. C-3509 as shown in Fig. 22.
3.
Hold tool in position with distributor lock plate screw. Tool should remain installed until camshaft, crankshaft sprockets and timing chain
have been installed.
4.
Install camshaft thrust plate and chain oil tab attaching screws, ensuring tang enters lower right hole in thrust plate, then tighten attaching screws to
specifications. Top edge of tab should be flat against thrust plate in order to catch oil for chain lubrication.
5.
Install timing chain, refer to TIMING CHAIN.
6.
Install fuel pump eccentric, cup washer and camshaft bolt. Tighten bolt to specifications.
7.
Reverse remaining procedure to assemble.
