DODGE TOWN AND COUNTRY 2003 Service Manual

(14) Remove 2nd gear reactor ring (Fig. 240).
(15) Remove 2nd gear friction cone (Fig. 241).(16) Remove 2nd Gear outer blocker ring (Fig.
242).
(17) Remove 1/2 synchro snap ring (Fig. 243).
Fig. 240 2nd Gear Reactor Ring
1 - 2ND GEAR REACTOR RING
Fig. 241 2nd Gear Friction Cone
1 - 2ND GEAR FRICTION CONE
Fig. 242 2nd Gear Outer Blocker Ring
1 - 2ND GEAR BLOCKER RING
Fig. 243 1/2 Synchro Snap Ring
1 - SNAP RING
2 - 1/2 SYNCHRO HUB
21 - 104 T850 MANUAL TRANSAXLERS
INTERMEDIATE SHAFT (Continued)
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(18) Remove 1/2 synchro from shaft (Fig. 244).
(19) Remove 1st gear blocker ring (Fig. 245).(20) Remove 1st gear friction cone (Fig. 246).
(21) Remove 1st gear reactor ring (Fig. 247).
Fig. 244 1/2 Synchronizer
1 - 1/2 SYNCHRONIZER
Fig. 245 1st Gear Blocker Ring
1 - 1ST GEAR BLOCKER RING
Fig. 246 1st Gear Friction Cone
1 - 1ST GEAR FRICTION CONE
Fig. 247 1st Gear Reactor Ring
1 - 1ST GEAR REACTOR RING
RST850 MANUAL TRANSAXLE21 - 105
INTERMEDIATE SHAFT (Continued)
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(22) Remove 1st gear from shaft (Fig. 248).
(23) Remove 1st gear needle bearing (Fig. 249).
(24) Remove intermediate shaft roller bearing
snap ring (Fig. 250).
(25) Press intermediate shaft out of roller bearing
supported by bearing splitter P-334 (Fig. 251).
Roller bearing is not re-usable once removed. It
is necessary to install a new roller bearing
upon re-assembly.
Fig. 248 1st Gear Removal
1 - 1ST GEAR
Fig. 249 1st Gear Needle Bearing
1 - 1ST GEAR NEEDLE BEARING
Fig. 250 Intermediate Shaft Roller Bearing Snap
Ring
1 - SNAP RING
Fig. 251 Intermediate Shaft Roller Bearing Removal
1 - ARBOR PRESS RAM
2 - INTERMEDIATE SHAFT
3 - ROLLER BEARING
4 - BEARING SPLITTER P-334
21 - 106 T850 MANUAL TRANSAXLERS
INTERMEDIATE SHAFT (Continued)
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ASSEMBLY
NOTE: Depending on date of transaxle manufacture,
some intermediate shafts will utilize a needle bear-
ing under 2nd and 5th Speed Gears.
NOTE: Do not re-use snap rings when servicing the
intermediate shaft assembly. Discard snap rings
and install new ones provided with available snap
ring service kit.NOTE: When installing 1/2 & 5/R synchronizers,
make sure to align oil slots on synchronizer hub
face with oil hold in the shaft splined hub journal.
NOTE: Refer to (Fig. 252) for intermediate shaft
assembly reference.
Fig. 252 Intermediate Shaft Assembly
1 - INTERMEDIATE SHAFT 10 - SNAP RING
2 - ROLLER BEARING 11 - SEALED ROLLER BEARING
3 - SNAP RING 12 - THRUST WASHER
4 - NEEDLE BEARING 13 - NEEDLE BEARING
5 - 1ST SPEED GEAR 14 - REVERSE GEAR
6 - SNAP RING 15 - SNAP RING
7 - 2ND SPEED GEAR 16 - 5/R SYNCHRO
8 - 3/4 CLUSTER GEAR 17 - 5TH SPEED GEAR
9 - SNAP RING 18 - 1/2 SYNCHRO
RST850 MANUAL TRANSAXLE21 - 107
INTERMEDIATE SHAFT (Continued)
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(1) Press intermediate shaft into NEW roller bear-
ing with arbor press (Fig. 253).
(2) Install intermediate shaft roller bearing snap
ring (Fig. 254).
(3) Install 1st gear roller bearing to intermediate
shaft (Fig. 255).
(4) Install 1st gear to intermediate shaft (Fig.
256).(5) Install 1/2 synchro to fixture 8483. Insert 1st
gear blocker ring, friction cone, and reactor ring as
shown in (Fig. 257).
(6) Install intermediate shaft to synchro assembly
on fixture (Fig. 258).When installing 1/2 synchro-
nizer, make sure to align oil slots on synchro-
nizer hub face with oil hole in the shaft splined
hub journal.Line up friction cone and reactor ring
tabs to gear slots. Remove shaft assembly from fix-
ture.
Fig. 253 Intermediate Shaft Bearing Installation
1 - ARBOR PRESS
2 - INTERMEDIATE SHAFT
3 - CAGED ROLLER BEARING
4 - BEARING SPLITTER
Fig. 254 Intermediate Shaft Roller Bearing Snap
Ring
1 - SNAP RING
Fig. 255 1st Gear Needle Bearing
1 - 1ST GEAR NEEDLE BEARING
Fig. 256 1st Gear Installation
1 - 1ST GEAR
21 - 108 T850 MANUAL TRANSAXLERS
INTERMEDIATE SHAFT (Continued)
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(7) InstallNEW1/2 synchro snap ring (Fig. 259).
(8) Install 2nd gear blocker ring (Fig. 260).
Fig. 257 1/2 Synchro on Fixture 8483
1 - FIXTURE 8483
2 - 1ST GEAR BLOCKER RING
3 - 1ST GEAR FRICTION CONE
4 - 1ST GEAR REACTOR RING
5 - 1/2 SYNCHRONIZER
Fig. 258 Install 1/2 Synchro to Intermediate Shaft
1 - INTERMEDIATE SHAFT
2 - 1ST GEAR
3 - 1/2 SYNCHRO ASSEMBLY
4 - FIXTURE 8483
Fig. 259 1/2 Synchro Snap Ring
1 - SNAP RING
2 - 1/2 SYNCHRO HUB
Fig. 260 2nd Gear Blocker Ring
1 - 2ND GEAR BLOCKER RING
RST850 MANUAL TRANSAXLE21 - 109
INTERMEDIATE SHAFT (Continued)
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(9) Install 2nd gear friction cone (Fig. 261).
(10) Install 2nd gear reactor ring (Fig. 262).
(11) Install 2nd gear and needle bearing (if
equipped) to intermediate shaft (Fig. 263).
(12) Press 3/4 cluster gear onto intermediate shaft
using cup 8481 (Fig. 264).
Fig. 261 2nd Gear Friction Cone
1 - 2ND GEAR FRICTION CONE
Fig. 262 2nd Gear Reactor Ring
1 - 2ND GEAR REACTOR RING
Fig. 263 2nd Gear
1 - 2ND GEAR
2 - INTERMEDIATE SHAFT
Fig. 264 Install 3/4 Cluster Gear using Tool 8481
1 - ARBOR PRESS
2 - INSTALLER 8481
3 - 3/4 CLUSTER GEAR
21 - 110 T850 MANUAL TRANSAXLERS
INTERMEDIATE SHAFT (Continued)
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(13) InstallNEW3/4 cluster gear snap ring (Fig.
265).
(14) Install 5th gear and needle bearing (if
equipped) to intermediate shaft (Fig. 266).(15) Install 5th gear blocker ring to synchronizer
(Fig. 267).
(16) Install 5th gear synchronizer assembly to
intermediate shaft (Fig. 268).When installing 5/R
synchronizer, make sure to align oil slots on
synchronizer hub face with oil hole in the shaft
splined hub journal.
Fig. 265 3/4 Cluster Gear Snap Ring
1 - SNAP RING
Fig. 266 5th Gear Installation
1 - 5th GEAR
Fig. 267 5th Gear Blocker Ring to Synchro
1 - 5th GEAR BLOCKER RING
2 - 5/R SYNCHRONIZER
Fig. 268 Install 5/R Synchro and 5th Blocker Ring to
5th Gear
1 - 5/R SYNCHRONIZER
2 - 5TH GEAR BLOCKER RING
3 - 5TH GEAR
RST850 MANUAL TRANSAXLE21 - 111
INTERMEDIATE SHAFT (Continued)
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(17) InstallNEW5/R synchro snap ring (Fig. 269).
(18) Install reverse gear blocker ring (Fig. 270).
(19) Install reverse gear needle bearing (Fig. 271).
(20) Install reverse gear to intermediate shaft.
(21) Install intermediate shaft sealed roller bear-
ing and thrust washer using installer 8482 (Fig. 272).
(22) InstallNEWintermediate shaft sealed bear-
ing snap ring (Fig. 273).
Fig. 269 5/R Synchro Snap Ring
1 - SNAP RING
Fig. 270 Reverse Gear Blocker Ring
1 - REVERSE BLOCKER RING
2 - 5/R SYNCHRONIZER
Fig. 271 Reverse Gear Needle Bearing
1 - NEEDLE BEARING
Fig. 272 Sealed Roller Bearing Installatiion
1 - ARBOR PRESS
2 - REMOVER/INSTALLER 8482
3 - SEALED ROLLER BEARING
4 - THRUST WASHER
21 - 112 T850 MANUAL TRANSAXLERS
INTERMEDIATE SHAFT (Continued)
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SHIFT COVER
DESCRIPTION
The shift cover assembly (Fig. 274) (Fig. 275) is
operated by the gearshift crossover and selector
cables, and operates the shift fork/shaft system. It
consists of crossover and selector lever mechanisms,
transaxle vent, a main shift selector shaft, and the
5-R blockout mechanism. The shift cover is only ser-
viced as an assembly.SHIFT FORK AND SHAFT
DESCRIPTION
The T850 utilizes a unique shift fork and shaft
arrangement consisting of three shift forks and two
shafts as shown in (Fig. 276). This system is oper-
ated by the shift cover assembly, which combined
with a unique gearshift cable design, offers a higher
mechanical advantage over traditional shift systems.
This arrangement results in less friction and lower
shift cable loads for smoother, more positive opera-
tion. The shift fork assemblies are constructed of
brass, float about the shafts with the aid of needle
bearings, and are serviced only as fork/bearing
assemblies.
Fig. 273 Intermediate Shaft Bearing Snap Ring
1 - SNAP RING
2 - BEARING
Fig. 274 Shift Lever Identification
1 - SHIFT COVER ASSEMBLY
2 - VENT
3 - CROSSOVER LEVER
4 - SELECTOR LEVER
Fig. 275 Shift Cover Assembly Components
1 - SHAFT
2 - 5-R BLOCKOUT PIN/CAM
3 - SHIFT SELECTOR
4 - SHIFT BLOCKER
5 - SELECTOR LEVER/DETENT
RST850 MANUAL TRANSAXLE21 - 113
INTERMEDIATE SHAFT (Continued)
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