Chevrolet 10 series 1973, Overhaul Manual

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A U T O M A T IC T R A N S M IS S I O N 7A-57
J-5294
Fig. 105M--Checking End Play for Proper Thrust
Washer Selection
c. Push up on the transmission output shaft and
observe the total indicator movement.
d. The indicator should read .032" to .064". If the
reading is within limits, the proper selective fit
washer is being used. If the reading is not
within limits, it will be necessary to remove the
pump and change to a thicker or thinner
selective fit thrust washer, as required to obtain
the specified clearance. Repeat the above
checking procedure.
NOTE: Selective fit thrust washers are
available in thicknesses of .066", .083" and
.
100
" .
25. Install new pump assembly in case gasket.
26. Install new pump assembly to case square cut oil
seal ring.
27. Install guide pins into case.
28. Install pump assembly into case. Install attaching
bolts with new washer type seals.
IM PORTANT:
If the input shaft can not be
rotated as the pump is being pulled into
place, the direct and forward clutch housings
have not been properly installed to index the
faced plates with their respective parts. This
condition must be corrected before the pump
is pulled into place.
Speedom eter Drive Gear and Extension
1. Place speedometer drive gear retaining clip into
hole in output shaft.
2. Heat a new speedometer drive gear using a heat
lamp or suitable heat method.
3. Align slot in speedometer drive gear with retaining
clip and install.
4. Install extension housing to case square cut "O "
ring seal.
5. Attach extension housing to case using attaching
bolts. Torque to 25 ft. lb.
6. If necessary, install a new extension housing seal,
using seal installer J-5154 or J-21426 (fig. 106M).
Manual Linkage
1. If necessary, install a new manual shaft to case lip
seal using 3/4" diameter rod, seat seal in case.
2. Install parking pawl, tooth toward the inside of
case, into case.
3. Install parking pawl shaft into case and through
parking pawl.
4. Install parking pawl shaft retainer plug. Drive into
case using a 3/8" dia. rod, until retainer plug is
.130" to .170" below face of case, then stake in
three places.
5. Install parking pawl disengaging spring, square end
hooked on pawl.
6. Install park lock bracket, torque bolts to 29 ft. lb.
(fig. 107).
CAUTION:
290 M Bolts - 6 marks on head.
7. Install range selector inner lever to parking pawl
actuator rod.
8. Install actuating rod under the park lock bracket
and parking pawl.
9. Install manual shaft through case and range
selector inner lever.
10. Install retaining nut on manual shaft. Torque to 30
ft. lbs.
11. Install manual shaft to case spacer clip.
Fig. 1 0 6 M -ln s ta llin g Extension Housing Seal
OVERHAUL MANUAL