Subassembly Repairs; Differential Carrier Assembly - Chevrolet 1973 Overhaul Manual

FRONT OUTPUT
SHAFT ASSY
\
CHAIN
HOUSING
RANGE SELECTOR
HOUSING
Fig. 2F—Front View of Transfer Case
LOCKOUT CLUTCH
SHIFT RAIL POPPET PLUG
REAR OUTPUT
REAR OUTPUT
FRONT OUTPUT
SHAFT ASSY. BEARING REAR
Fig. 3F—Rear View of T ransfer Case
Inspectiorv-Carefully inspect all bearings and rollers for
evidence of chipping, cracks, or worn spots that would
render bearing unfit for further service. Bearings are
non-adjustable and if worn or damaged, must be
replaced with new parts. Inspect shaft splines drive chain and
gears. If any indication of failure, such as chipped teeth or
excessive wear is indicated, those parts should be replaced
with new parts.

SUBASSEMBLY REPAIRS

NOTE: Refer to figure 13F for exploded view
of subassemblies.
Differential Carrier Assembly (Fig. 13F)
Disassembly
1. Remove bolts from carrier assembly and separate
carrier sections.
2. Lift the pinion gear and spider assembly from
carrier.
INPUT GEAR
COUNTER GEAR
RANGE SELECTOI
SHIFTER SHAFT
CHAIN HOUSING
COVER
CLUTCHES AND M A N U A L T R A N S M IS S IO N S
Fig. 4F—Removing Rear O u tp ut Shaft Flange N u i
Fig. 5F—Removing Front O u tp ut Shaft Front Bearing
NOTE: Observe that undercut side of pinion
gear spider faces toward front side gear.
3. Remove the pinion thrust washers, pinion roller
washers pinion gears and roller bearings from the
spider unit.
4. Clean and inspect all components. Replace all worn
or broken parts.
Assembly
1. Using a petroleum jelly, load roller bearings in
pinion gears (132 required, 33 each pinion).
2. Install pinion roller washer, pinion gear, roller
washer and thrust washer on each leg of spider.
3. Place the spider assembly in the carrier (front half)
with undercut surface of spider thrust surface
facing downward or toward gear teeth.
4. Align marks on carrier sections and position carrier
7 M - 6 7
R etainer
OVERHAUL MANUAL