GMC 1989 Light Duty Truck Repair Manual page 165

NOTICE: Do n o t pry the ring g ear from the case.
T h is w ill d a m a g e th e r in g g e a r a n d th e
d ifferen tial case.
15. Ring gear (15) from the differential.
• Drive the ring gear off with a brass drift if
necessary.
Inspect
I*
• Drive pinion bearing preload (figure 4).
• Pinion assembly for looseness by moving it
b a c k a nd fo rth .
excessive bearing wear).
6
16. Pinion flange nut ( ) and washer (7) using J 8614-01
to hold the pinion flange (figure 5).
17. Pinion flange using J 8614-01 (figure
18. Pinion (15) from the axle housing.
• Thread the pinion nut halfway onto the pinion.
• Replace the differential cover (34) with two
bolts (35) to keep the pinion from falling to the
floor.
Figure 3 — R em oving D ifferen tial Side B earings
(L o o s e n e s s in d ic a te s
6
).
1
9 /2-INCH RING GEAR 4B3-3
Figure 6 — R em oving th e Pinion Flan g e