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4B-28
REAR AXLE DIFFERENTIAL
Fig. 15F--Tool J -2 4 3 8 5 M ounted on C arrier
8.
R em ove dial indicator and with the use o f a pry bar
rem ove differential case from carrier. R em ove spreader.
D isassem bly
1. R em ove differential bearing cups and identify with
a tag for reassembly.
2. Place differential in vise and drive out pinion shaft
lock pin.
3. R em ove differential bearing cone and roller using
Puller J-22888, with Plug J -8 107-3, as in figure 16F. Tag
cone and rollers for assembly.
I f ring gear and pinion are to be reassembled, note
position o f shim s and replace accordingly.
4. R em ove spacer, pinion shaft, pinions, side gears and
thrust washers from differential case.
5. R em ove screws attaching ring gear to differential
case. R em ove gear.
D R IV E P IN IO N
Rem oval
1. Separate rear universal joint, tape trunnion bearings
to joint, position propeller shaft to one side and tie propeller
shaft to frame side rail.
2. U sing H old in g Bar J-8614-11, attach d to pinion
shaft flange, rem ove self- e locking nut and washer from
pinion shaft.
3. Install T ool J-8614-2, and 3 into holding bar as
show n in figure 17F and rem ove flange from drive pinion.
R em ove drive pinion from carrier.
4. W ith a long drift, tap on inner race o f outer pinion
bearing to rem ove pinion oil seal, slinger, gasket, outer
pinion con e and roller and shim pack. Tag shim pack for
reassembly.
5. Should inspection indicate necessity, pinion bearing
cups can be rem oved from carrier using long drift and
hammer. R em ove shims and oil slinger w hich are located
behind the inner bearing cup. Tag shim s for reassembly.
Fig. 16F~Rem oving D iffe re n tia l Side Bearings
6.
R em ove inner pinion cone and roller using T ool J-
22912, installed as show n in Figure 18F, and press pinion
from bearing.
Inspection
1. Clean all gears and bearings in cleaning solvent and
inspect all bearing cups, races and rollers for scoring,
chipping or evidence o f excessive wear. On pinion bearing
rollers, inspect large end o f rollers for wear. This is where
wear is m ost evident on tapered roller bearings.
The pinion bearings are o f the tapered type,
and the natural wear pattern is a frosted condition with
occasional slight scratches on races or rollers. This does
not indicate a defective bearing.
2. Inspect pinion splines and flange splines for evidence
o f excessive wear.
3. Inspect ring gear and pinion teeth for possible
scoring, cracking or chipping.
4. Inspect differential case for carcks or scores. Inspect
side gears, thrust washers, and pinion thrust faces.
Fig. 1 7F--Removing Pinion Flange
J 2 2 8 8 8
J -8 6 1 4-1
O V E R H A U L M A N U A L
Summary of Contents for 1977 Monte Carlo
Page 1: ...CHEVROLET ST 333 80...
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Page 100: ...4B 32 REAR AXLE DIFFERENTIAL Fig 24F lnstalling Pinion Flange OVERHAUL M AN U AL...
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Page 142: ...5 6 BRAKES Fig 5 1 1A Gaging Piston Rod OVERHAUL M AN U AL...
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Page 402: ...7C 6 CLUTCHES Fig 7 C 1 2 E D e p r e s s in g L ever Fig 7 C 1 4 E S ta k in g N u t...
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