GMC T Series 1994 Repair Manual page 465

A. Sealing Compound
21. Intake Manifold
22. Gasket
23. Seal
< }
■ Q.
32. Rocker Arm Cover
34. Gasket
36. Bolt
^ N \
Figure 17— Intake Manifold (7.4L Engines)
F9362
make a note that the tim ing chain should be
replaced during assembly (figure 32).
1. Bolts (100).
2
. Camshaft sprocket (101) and timing chain (
together.
CAMSHAFT REMOVAL
Remove or Disconnect (Figure 33)
Camshaft.
A. Install three 5/16-18 bolts 100-125 mm (4-5
inches) long into the camshaft tapped holes.
Use these bolts to handle the camshaft.
B. Pull the camshaft from the block.
C. Use care to prevent damage to the camshaft
and bearings.
PISTON AND CONNECTING
ROD REMOVAL
Remove or Disconnect (Figures 34 and 35)
Tool Required:
J 5239 Connecting Rod Guide Set
1. Ridge (or deposits) at the top of the cylinder as
follows:
A. Turn the crankshaft until one piston is at the
bottom of its stroke. Place a soft cloth on top of
the piston.
F9330
102
)