Volvo 50-42LE transmission. Instruction - page 24
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
95
175. Index the C1 hub into the C1 clutches shown
in Figure 247.
176. Carefully, take the C1/C2 drum and slide it
into the planetary assembly turning it slightly.
Note: Do this with the case half standing up
on the bench. Install the C1/C2 thrust washer
and bearing into the rear of the drum.
Apply a thin coat of sealant to the surface
where the rear cover mating surface is. Replace
the four rubber seals in the case half. See
Figure 248.
177. Refer to Figure 249 for a close up view of the
C1/C2 thrust bearing and race.
178. Assemble the rear cover onto the case half and
install and torque the bolts into the correct
locations using the chart listed below. See
Figure 250.
A= 16mm long. Torque to 70-100 in.lb.
B= 25mm long. Torque to 15-22 ft.lb.
C= 48mm long. Torque to 15-22ft.lb.
D= 45mm long. Torque to 15-22 ft.lb.
TRANSMISSION REASSEMBLY
CONTINUED
Figure 248
C1-C2 Drum
Thrust bearing
and washer
C1-C2 Drum Thrust bearing
and washer removed
Figure 250
Figure
A
A
B
B
C
D
C
D
D
Figure 247
Figure 249
Copyright © 2004 ATSG
Apply sealant
Continued on Page 96
C1/C2 drum
C1 hub
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
96
179. Turn the case over to where it is resting on the
rear cover, and replace the two C3 underdrive
sealing rings as shown in Figure 251.
180. Install the anti-rattle clip into the case half as
shown in Figure 252.
181. Install the F3 freewheel and snap ring into the
case. Install a new rubber seal into the case.
See Figure 253.
182. Replace the o-rings on the cap and B4 servo
assembly as shown in Figure 254.
183. Lubricate and install the servo piston, cap and
retaining snap ring. See Figure 255.
TRANSMISSION REASSEMBLY
CONTINUED
Figure 251
Figure 252
B3 brake return spring
Continued on Page 97
Retaining snap ring
Figure 255
Anti-rattle clip
F3 Freewheel
Snap ring
Anti-rattle clip
location (installed)
B4 servo assembly
B4 servo assembly removed
Copyright © 2004 ATSG
Figure 254
Figure 253
Sealing rings
Inspect the
caged needle
bearing
Seal
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
184. Install the B4 underdrive brake band as shown
in Figure 256.
185. Install the bearing into the rear of the C3
underdrive drum with the black side facing
out. See Figure 257.
186. Grasp the underdrive clutch drum by the sun
gear and install it into the F3 freewheel and
over the sealing rings by turning it counter-
clockwise. See Figure 258.
187. Grasp the underdrive planetary assembly by
the pinion gear and assemble it into the under-
drive clutch, by turning it to the left and right
to index it into the underdrive clutches. See
Figure 259.
188. Install the underdrive planetary thrust washer
and bearing as shown in Figure 260.
TRANSMISSION REASSEMBLY
CONTINUED
Figure 258
97
Underdrive clutch drum
Sun gear
E
T
A
T
O
R
Underdrive planetary assembly
Underdrive planetary thrust
washer and bearing
Figure 256
Figure 257
B4 Underdrive
Brake Band
Install the bearing into the rear of
the Underdrive drum
Continued on Page 98
Figure 259
Figure 260
Copyright © 2004 ATSG
Black side
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
98
189. Install a new linkage seal and assemble the
manual shaft into the case as shown below in
Figure 262.Use Figure 261 as an assembly
guide.
190. Slide the parking rod into the case and rotate
the manual shaft until the slot lines up with the
park rod. See Figure 263.
191. Install new o-rings on the B4 accumulator cap
and piston as shown in Figure 264.
192. Lubricate and install the B4 accumulator piston
and spring (spring first). Install the park lock
pin into the case. See Figure 265.
TRANSMISSION REASSEMBLY
CONTINUED
Continued on Page 99
Figure 265
Figure 264
B4 accumulator piston and spring
B4 accumulator piston spring and cap
Figure 263
Manual shaft
Park rod
Manual shaft
Park rod
Figure 261
Manual shaft
Linkage seal
Figure 262
Park lock pin
