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

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