Chevrolet 1988 Light Duty Truck Repair Manual page 435

• Rocker arm stud.
• Place J 5802-01 over the rocker arm stud.
• Install a nut and flat washer.
• Turn the nut to remove the stud.
|+ + | Install o r C on n ect (F ig u re 22)
Tools Required:
J 5715, Reamer (0.003-inch oversize)
or
J 6036, Reamer (0.013-inch oversize)
J 6880, Rocker Arm Stud Installer
NOTICE: Do n o t a tte m p t to in s ta ll an oversize
ro c k e r arm s tu d w ith o u t re a m in g the s tu d ho le
as th is c o u ld dam age the c y lin d e r head.
• R eam th e h o le to th e
replacem ent oversize rocker arm stud. Use J 5715
for 0.003-inch oversize studs; J 6036 for 0.013-inch
oversize stud (figure 23).
• Coat lower end (press-fit area) of rocker arm stud
with hypoid axle lubricant.
• Rocker arm stud. Use J 6880 (figure 22). Stud is
installed to proper depth when the tool bottoms on
the cylinder head.
ASSEMBLY
0
Install or C on n ect (F ig u res 19, 20, and 24)
Tools Required:
J 8062, Valve Spring C om pressor
J 23738-A, Vacuum Pump
p ro p e r s iz e fo r th e
4.3 LITER V-6 6A3-15
1. Valves (27 and 29).
• Lubricate the valve stems with engine oil.
• Insert the valves into the proper seats.
2. Seal (24) (intake valve only).
• Install the seal over the valve stem and seat it
against the head.
3. Springs and dampers.
4. Shields (22).
5. Cap (21) or rotator (28).
6. O-ring seals (23) and valve keepers (20).