Chevrolet 1988 Light Duty Truck Repair Manual page 439

87. T hrust Plate
88. Screw
N O T IC E : The in e rtia w e ig h t s e c tio n o f th e
to rs io n a l d a m p e r is a s s e m b le d to th e h u b w ith
ru b b e r type m a te ria l. The c o rre c t in s ta lla tio n
p ro c e d u re s (w ith th e p ro p e r to o l) m u s t be
fo llo w e d o r m o v e m e n t o f th e in e rtia w e ig h t
s e c tio n o f th e h u b w ill d e s tro y th e tu n in g o f the
to rs io n a l dam per.
2. Stud (item A, figure 32) to the crankshaft. Thread
the stud fully into the tapped hole in the crankshaft.
Figure 29 —Cam shaft and Com ponents
4.3 LITER V-6 6A3-19
B-07615