Chevrolet 1988 Light Duty Truck Repair Manual page 405

20. Intake Valve
21. Exhaust Valve
22. Valve Keepers
23. Valve Cap
24. Oil Shedder
25. Seal
26. O-Ring
Figure 23 — Valves and Com ponents
90. R ocker Arm Stud
91. Pushrod G uide
B-09551
• Valve guide reaming.
ROCKER ARM STUD AND PUSHROD
GUIDE REPLACEMENT
The rocker arm studs are threaded in place.
R em o ve or D isco n n ect (F ig u re 25)
1. Rocker arm studs (90) using a deep socket.
2. Pushrod guide (91).
Install or C o n n ec t
1. Pushrod guide (91).
2. Rocker arm studs (90) using a deep socket.
&
T ig h ten
• Rocker arm studs to 65 N m (48 ft. lbs.).
ASSEMBLY
|~H"| Install or C o n n ect (F ig u res 23 and 24)
Tool Required:
J 8062, Valve Spring Com pressor
1. Valves (20 and 21).
• Lubricate the valve stems with engine oil.
• Insert the valves into the proper seats.
2. Seals (25) (intake only).
• Install the seals over the valve stems and seat
them against the head.
3. Springs.
4. Oil shedder (24).
5. Caps (23).
6. O-ring seals (26) and valve keepers (22).
2.8 LITER V
-6
Figure 25— Rocker Arm Studs
6A2-17
B-09444