Chevrolet 10 series 1973, Overhaul Manual

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CLUTCHES A N D M A N U A L T R A N S M I S S I O N S 7 M - 7 3
the outer shifter shaft before the shaft assembly
bottoms out.
10. Install lower shift lever and retaining ring.
11. Install upper shift lever and shifter shaft retaining
nut.
12. Install shift fork and sliding clutch gear. Push fork
up into shifter shaft assembly to engage poppet
plate, sliding clutch gear forward onto the input
shaft gear.
13. Install poppet plate spring, gasket and plug in top
of housing. Check spring engagement with poppet
plate.
Input Gear Bearing Replacem ent
1. Remove bearing retainer attaching bolts, retainer
and gasket from housing. Discard gasket.
2. Using snap ring pliers, remove snap ring retaining
bearing on shaft. Discard snap ring.
3. Using a screwdriver or other suitable tool, pry the
bearing from case and remove it from the shaft.
NOTE: Inspect input gear for defects such as
burrs, scoring, heat discoloration, etc. Inspect
seal in bearing retainer. Replace as required.
4. Install new bearing with snap ring on input gear
shaft. Position bearing to case and tap in to place
with a soft hammer.
NOTE: Select service ring, size A, B, C or D,
that will provide tightest fit.
5. Install new snap ring to retain bearing on the shaft.
6. Position new gasket and the bearing retainer to
housing. Install retaining bolts, tightening to
specifications.
Input Gear Bearing Retainer Seal
Replacement
1. Remove bearing retainer attaching bolts, retainer
and gasket from housing. Discard gasket.
2. Pry seal out of retainer and discard.
3. Position new seal to retainer and install using tool
J-21359 (Fig. 16).
4. Position bearing retainer and gasket to housing.
Install attaching bolts and tighten to specifications.
Rear Output Shaft Housing Assembly (Fig.
13F)
Disassembly
1. Remove speedometer driven gear from housing.
2. Remove flange nut and washer, if not removed
during disassembly of transfer case. Remove flange
from shaft.
3. Tap on flange end of pinion with a soft hammer
and remove pinion from carrier. If speedometer
Fig. 16F—In sta llin g In p u t Shaft Bearing R etainer
Seal
drive gear is not on pinion shaft, reach into carrier
and remove it from housing.
4. Pry old seal out of bore, using a screw driver or
other suitable tool.
5. Using a screwdriver, pry behind open ends of snap
ring and remove snap ring retaining rear bearing
in housing (fig. 17F).
6. Pull or tap bearing from housing.
7. To remove the front bearing, insert a long drift
through rear opening and drive bearing from
housing (Fig. 18F). Remove and discard rubber
seal.
Assembly
1. Position rubber seal in bearing bore. Use grease to
hold in place. Position roller bearing in bore and
press into place until bearing bottoms out in
housing.
2. Position rear bearing to case and tap into place.
3. Install snap ring retaining bearing to case.
NOTE: Retaining Ring is a select fit. Use
service ring size A, B, C or D as required to
provide tightest fit.
4. Position rear seal to bore and drive into place using
tool J-22388 (fig. 19F) or other suitable tool until
approximately 1/8" to 3/16" below housing face.
5. Install speedometer drive gear on output shaft and
install shaft into carrier through front opening.
6. Install flange, washer and retaining nut, using tool
J-8614-1 (fig. 4F). Leave nut finger tight until unit is
OVERHAUL MANUAL