Volvo 50-42LE transmission. Manual — part 17

AUTOMATIC TRANSMISSION SERVICE GROUP

Technical Service Information

67

99. Install the F3 sprag and end bearings into the
outer race as shown in. Refer to Figure 151 for
the orientation of the I.D. rib. Ensure that the
two lugs on the outer race are in the 5 o'clock
position, as shown in Figure 153.
100. Snap the retainer back into the groove shown
in Figure 154.
101. Assemble the F3 sprag onto the C3 drum and
verify the proper rotation. Rotate the outer
race while holding the C3 drum. The outer race
should freewheel in the counter clockwise
direction, as shown in Figure 155.

Figure 155

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Install the sprag and end bearings

the I.D. rib should face up

Retainer

Figure 153

Figure 154

Outer race

Hold drum

Freewheel

Rotate the outer race

Two lugs

SUB-ASSEMBLIES

"F3 UNDERDRIVE SPRAG"

AUTOMATIC TRANSMISSION SERVICE GROUP

Technical Service Information

68

102. Using a hammer and punch, remove the stakes
from the lock nut. Place the park gear into a
vice and remove the lock nut with a 36mm
socket. See Figure 156.
103. Compress the two tabs inward and pull the
ring gear rearward to remove it from the back
of the counter driven gear. Refer to Figures
157 and 158.
104. Support the counter driven gear in a suitable
press and push the C3 underdrive planetary
thru the counter driven gear. See Figure 159.
105. Refer to Figure 160 for a view of the complete
assembly dis-assembled and for assembly
purposes.

SUB-ASSEMBLIES

"UNDERDRIVE PLANETARY AND

DIFFERENTIAL PINION GEAR ASSY."

Figure 156

Figure 157

Figure 159

Figure 160

Snap ring

Continued on Page 69

Figure 158

CLOSE-UP

C3- underdrive
planetary assy.

Counter driven gear

Ring gear

Lock nut

Remove

stakes

Snap ring tabs

C3- underdrive
planetary assy.

Ring gear

Pinion gear

Bearing

Park gear

Counter driven

gear

Bearing

race

Crush sleeve

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AUTOMATIC TRANSMISSION SERVICE GROUP

Technical Service Information

69

106. Inspect the C3 underdrive planetary pinions
and check the planetary washers for wear,
replace as necessary. See Figure 161.
107. Inspect the inner planetary bearing as shown in
Figure 162.
108. Inspect the rear tapered bearing as shown in
Figure 163 and replace as necessary. Note: To
remove the bearing assy., remove the cage
and individual rollers. Remove the race with
a two jaw bearing puller. Press a new bearing
onto the planetary shaft.
109. Install a new crush sleeve onto the shaft. See
Figure 164.
110. Inspect the counter driven gear races and front
bearing as shown in Figure 165, and replace as
necessary.

Figure 161

Figure 163

Figure 162

Figure 164

Figure 165

Planetary pinions

Rear tapered

bearing

Copyright © 2004 ATSG

SUB-ASSEMBLIES

"UNDERDRIVE PLANETARY AND

DIFFERENTIAL PINION GEAR ASSY. Contd."

Continued on Page 70

Inner bearing

Crush sleeve

Front bearing

Counter driven gear

bearing races

AUTOMATIC TRANSMISSION SERVICE GROUP

Technical Service Information

70

111. Install the counter driven gear onto the C3
planetary shaft as shown in Figure 166.
112. Using a suitable press, install the front tapered
bearing as shown in Figure 167.
113. Install the pinion gear as shown in Figure 168.
114. Using a suitable press, install the bearing race
as shown in Figure 169.
115. Assemble the park gear into a vise or suitable
holding fixture and snug down a new lock nut
with a 36mm socket. See Figure 170. Note:
Do not tighten until the next step!

Figure 166

Figure 168

Figure 170

Continued on Page 71

Figure 169

Figure 167

Front bearing

Pinion gear

Copyright © 2004 ATSG

Lock nut

SUB-ASSEMBLIES

"UNDERDRIVE PLANETARY AND

DIFFERENTIAL PINION GEAR ASSY."

Bearing race

Counter driven gear