07-04-18
C-6 Automatic Transmission
07-04-18
16.
Position the manual and down-
shift control rod splash shield to the
frame side rail and secure it with the
attaching bolts.
17.
Connect the speedometer cable
to the extension housing.
18.
Connect the vacuum hose to the
vacuum diaphragm and secure with a
clamp.
19.
Connect the two oil cooler lines
to the fittings on the right side of the
case.
20.
Install the cooler lines under
the clip at the cylinder head.
21.
Position the reinforcement plate
and torque the attaching bolts.
22.
Install the equalizer and park-
ing brake cables. Install the equalizer
lever retracting spring.
23.
Install the drive shaft.
24.
Install a new seal on the filler
tube and install it in the transmission
case.
Secure the filler tube to the cyl-
inder head.
25.
Install the starting motor and
connect the cable.
26.
Install the idler arm bracket-
to-frame side rail.
27.
Lower the vehicle.
28.
Fill the transmission to the cor-
rect level with the specified fluid.
29.
Adjust the manual and throttle
linkage as required.
MAJOR REPAIR OPERATIONS
DISASSEMBLY OF
TRANSMISSION
1.
Mount the transmission in hold-
ing fixture T64L-6001-A (Fig. 22).
2.
Remove the 17 fluid pan attach-
ing bolts. Remove pan and gasket.
3.
Remove the 8 valve body attach-
ing bolts (Fig. 23). Lift the valve body
from the transmission case.
4.
Attach a dial indicator to the
front pump as shown in Fig. 24. In-
stall tool T61L-7657-B in the exten-
sion housing to center the shaft.
5.
Pry the gear train to the rear of
the case and at the same time, press
the input shaft inward until it bottoms
(Fig. 24). Set the dial indicator to
read zero.
6. Pry the gear train forward (Fig.
24) and note the amount of gear train
end play on the dial indicator. Record
the end play to facilitate assembling
the transmission. Remove the dial in-
dicator from the pump and the tool
from the extension housing.
7.
Remove the vacuum diaphragm,
rod and the primary throttle valve
from the case. Slip the input shaft out
of the front pump.
8. Remove the front pump attach-
ing bolts. Pry the gear train forward
as shown in Fig. 25 to remove the
pump.
9. Loosen the band adjustment
screw and remove the two struts.
10.
Rotate the band 90 degrees co-
unterclockwise to align the ends with
the slot in the case (Fig. 26). Slide the
band off the reverse-high clutch drum.
11.
Remove the forward part of the
gear train as an assembly as shown in
Fig. 27.
12.
Remove the large snap ring that
secures the reverse planet carrier in
the low-reverse clutch hub. Lift the
planet carrier from the drum.
13.
Remove the snap ring (Fig. 28)
that secures the reverse ring gear and
D16Q3-B
FIG. 22—Transmission Mounted in Holding Fixture
hub on the output shaft. Slide the ring
gear and hub off the shaft.
14.
Rotate the low-reverse clutch
hub in a clockwise direction and at
the same time, withdraw it from the
case.
15.
Remove the reverse clutch snap
ring from the case, then remove the
clutch discs, plates and pressure plate
from the case.
16.
Remove the extension housing
attaching bolts and vent tube from the
case.
Remove the extension housing,
and gasket.
17.
Slide the output shaft assembly
from the transmission case.
18.
Remove the distributor sleeve
attaching bolts and remove the sleeve,
parking pawl gear and the thrust
washer.
If the thrust washer is staked in
place, use a sharp chisel and cut off
the metal from behind the thrust
washer. Be sure to clean the rear of
the case with air pressure or a suitable
solvent to remove any metal particles.
19.
Compress the reverse clutch pis-
ton release spring with tool T65P-
77515-A (Fig. 29). Remove the snap
ring. Remove the tool and the spring
retainer.procarmanuals.com