Volvo 50-42LE transmission. Service manual — part 25

AUTOMATIC TRANSMISSION SERVICE GROUP

Technical Service Information

99

193. Lubricate the o-ring on the B4 accumulator cap
and install it into the case. See Figure 266.
194. Install the B4 accumulator retaining plate,
parking rod return spring, sleeve and bolts as
shown in Figure 268. Use Figure 267 as an
assembly guide. Caution: the B4 accumulator
piston is spring loaded. Tighten down the
bolts evenly so the cap does not get cocked.
Note: The bolt on the left is 22mm long and
the bolt on the left is 13.5mm long. Torque
both bolts to 71-106 in.lb.
195. Assemble the park pawl, return spring and park
pawl pin into the case as shown in Figure 270.
Use Figure 269 as an assembly guide.

TRANSMISSION REASSEMBLY

CONTINUED

REMOVED

Park pawl return spring

Park pawl

Park pawl pin

Figure 270

Pin in pic

Park pawl pin

and return spring

Park pawl

Figure 269

B4 accumulator cap

B4 accumulator retaining plate

Parking rod return spring and sleeve

B4 accumulator retaining plate

Figure 266

Figure 267

Figure 268

Copyright © 2004 ATSG

Continued on Page 100

AUTOMATIC TRANSMISSION SERVICE GROUP

Technical Service Information

100

196. Install the detent spring and park rod guide as
shown in Figure 272. Use Figure 271 as an
assembly guide . Install the two retaining
bolts and torque to 71-106 in. lb. Note: the
bolt lengths are 15.5mm long.
197. Install the oil deflector plate, case plate and the
four retaining bolts. Torque to 71-106ft.lb. See
Figure 273. Note: the bolt lengths are 13mm
long.
198. Install a new gasket on both sides of the filter
as shown in Figure 274.
199. Install the new filter onto the case as shown in
Figure 275. Install the filter retaining bolt and
torque to 71-106 in. lb. Note the bolt length is
13mm long.

TRANSMISSION REASSEMBLY

CONTINUED

Continued on Page 101

Figure 275

Figure 274

Figure 272

See bolt legend in Figure 45 for lengths

Detent spring

Park rod guide

REMOVED

Figure 271

Figure 273

Oil deflector plate

Case plate

Gasket

Filter

Filter retaining bolt

101

AUTOMATIC TRANSMISSION SERVICE GROUP

Technical Service Information

200. Inspect the bearing race shown in Figure 276.
Replace as necessary. Install new seal in case.
Note: Below the bearing race is the selective
shim which sets the pre-load for the diff-
erential bearings.
201. Inspect the lower differential bearing as shown
in Figure 277. Replace as necessary.
202. Inspect the upper differential bearing and the
spider gear assembly as shown in Figure 278.
Replace as necessary.
203. Lubricate bearings and install the differential
assembly into the case half as shown below in
Figure 279.
204. Remove the four 10mm headed bolts retaining
the side cover, reseal and re-install the bolts.
Remove the three 10mm headed oil deflector
retaining bolts as shown in Figure 280.

TRANSMISSION REASSEMBLY

CONTINUED

Bearing race

Figure 280

Continued on Page 102

Selective shim

Figure 276

Figure 277

Figure 278

Copyright © 2004 ATSG

Side cover

Spider gear

assembly

Upper bearing

Lower bearing

Figure 279

Differential assembly

Oil deflector

Seal

AUTOMATIC TRANSMISSION SERVICE GROUP

Technical Service Information

102

205. Turn the oil deflector upside down and clean
the three magnets. See Figure 281.
206. Install the oil deflector back into the case.
Apply a small amount of loctite to the three
12mm long retaining bolts and torque to 71-
106 in.lb. See Figure 282.
207. Inspect the upper bearing race and the roller
bearing as shown in Figure 283. Replace as
necessary.
208. Replace the sealing ring shown in Figure 284.
Note: There is a .055" gap in between the
sealing ring ends, this is normal.
209. Replace the axle seal as shown in Figure 285.

TRANSMISSION REASSEMBLY

CONTINUED

Continued on Page 103

Figure 285

Figure 284

Figure 282

Figure 283

Oil deflector

Oil deflector

Figure 281

Axle seal

Sealing ring