Volvo 50-42LE transmission. Service manual — part 23

AUTOMATIC TRANSMISSION SERVICE GROUP

Technical Service Information

91

Figure 231

22

2

211

A

A

33

99

11

55

00

LOWER VALVE BODY

LOWER SIDE BOLT LOCATIONS

8mm Head

35mm long

8mm Head

35mm long

8mm Head

64.5mm long

8mm Head

35mm long

8mm Head

64.5mm long

8mm Head

64.5mm long

8mm Head

64.5mm long

AUTOMATIC TRANSMISSION SERVICE GROUP

Technical Service Information

92

161. Refer to Figure 232 to see a view of the
completed counter drive gear assembly.
162. Assemble the counter drive gear thru the rear
of the mid case and assemble the snap ring
with the taper facing up. Replace the axle
seal as shown in Figure 233.
163. Lubricate the inside of the mid case where the
B3 brake piston rides , replace the inner and
outer o-rings, and assemble the piston into the
case as shown in Figure 234.
164. Assemble the B3 return spring into the case
over the B3 piston and install the retaining
snap ring as shown in Figure 235.
165. Install the B3 brake lower pressure plate as
shown in Figure 236.

TRANSMISSION REASSEMBLY

Figure 232

Figure 233

Figure 235

Figure 83

B3 brake return spring

Continued on Page 93

Retaining snap ring

Snap ring

Snap ring

taper faces up

Assemble Counter

drive gear thru rear

of the case half

B3 brake piston

Taper faces up

Replace axle

seal

Figure 234

Figure 236

Install B3 brake lower

pressure plate .150" thick

AUTOMATIC TRANSMISSION SERVICE GROUP

Technical Service Information

166. Assemble the inner thrust washer and bearing
into the rear ring gear assembly with assembly
lube to hold them in place. See Figure 237.
167. Assemble the rear ring gear into the case half
over the splines of the counter drive gear as
shown in Figure 238.
168. Install the B3 brake assembly into the case half
starting with a .070" clutch plate and ending
with the .150" pressure plate and the snap ring.
Check the clutch clearance using a feeler gage
as shown in Figure 240. Clutch clearance
should be between .040"-.050."Refer to Figure
239 as an assembly guide for the B3 brake.
Install the rear ring gear internal bearing black
side up.
169. Inspect the planetary pinion washers as shown
in Figure 241. Replace as necessary.

TRANSMISSION REASSEMBLY

CONTINUED

Continued on Page 94

Figure 237

Figure 239

Assemble the inner thrust

washer and bearing

Figure 238

B3 brake assembly

Snap ring

Pressure plate
thickness .150"

5 steel plates

thickness .072"

6 clutch plates

thickness .070"

Rear ring gear

Figure 240

B3 brake assembly

and snap ring

Bearing

black side up

.0

4

5

Figure 241

93

Check planetary pinion washers

AUTOMATIC TRANSMISSION SERVICE GROUP

Technical Service Information

94

170. Inspect the bushings in the planetary as shown
in Figure 242. Replace as necessary.
171. Install the planetary assembly into the rear ring
gear as shown in Figure 243. Install the rear
planetary thrust washer.
172. Install the C1 hub rear thrust washer and the
C1 hub front bearing with assembly lube to
hold them in place. See Figure 244.
173. Install the C2 hub rear and front bearing with
assembly lube to hold them in place as shown
in Figure 245.
174. Index the C2 hub into the C2 clutch plates as
shown in Figure 246.

TRANSMISSION REASSEMBLY

CONTINUED

Figure 242

Figure 244

Continued on Page 95

Rear planetary

thrust washer

Planetary assembly

C1 hub front bearing

C1 hub rear thrust

washer

Figure 245

C2 hub front bearing

C2 hub rear bearing

Figure 243

Figure 246

Inspect bushings

C2 hub