Chrysler Town, Dodge Caravan. Manual — part 410
Moving the switch up causes an upshift and moving
the switch down causes a downshift. The instrument
cluster will illuminate the selected gear. The vehicle
can be launched in 1st, 2nd, or 3rd gear while in the
Autostick mode. The speed control is operable in 3rd
and 4th gear Autostick mode. Speed control will be
deactivated if the transaxle is shifted to 2nd gear.
Shifting into OD position cancels the Autostick mode,
and the transaxle resumes the OD shift schedule.
DRIVING CLUTCHES
DESCRIPTION
Three hydraulically applied input clutches are used
to drive planetary components. The underdrive, over-
drive, and reverse clutches are considered input
clutches and are contained within the input clutch
assembly (Fig. 172). The input clutch assembly also
contains:
• Input shaft
• Input hub
• Clutch retainer
• Underdrive piston
• Overdrive/reverse piston
• Overdrive hub
• Underdrive hub
OPERATION
The three input clutches are responsible for driving
different components of the planetary geartrain.
NOTE: Refer to the “Elements In Use” chart in Diag-
nosis and Testing for a collective view of which
clutch elements are applied at each position of the
selector lever.
UNDERDRIVE CLUTCH
The underdrive clutch is hydraulically applied in
first, second, and third (direct) gears by pressurized
fluid against the underdrive piston. When the under-
drive clutch is applied, the underdrive hub drives the
rear sun gear.
OVERDRIVE CLUTCH
The overdrive clutch is hydraulically applied in
third (direct) and overdrive gears by pressurized fluid
against the overdrive/reverse piston. When the over-
drive clutch is applied, the overdrive hub drives the
front planet carrier.
REVERSE CLUTCH
The reverse clutch is hydraulically applied in
reverse gear only by pressurized fluid against the
overdrive/reverse piston. When the reverse clutch is
applied, the front sun gear assembly is driven.
FINAL DRIVE
DISASSEMBLY
NOTE: The differential is serviced as an assembly.
Differential service is limited to bearing cups and
cones. Any other differential component failure
must be remedied by differential assembly and
transfer shaft replacement.
Fig. 172 Input Clutch Assembly
1 - INPUT SHAFT
2 - UNDERDRIVE CLUTCH
3 - OVERDRIVE CLUTCH
4 - REVERSE CLUTCH
5 - OVERDRIVE SHAFT
6 - UNDERDRIVE SHAFT
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41TE AUTOMATIC TRANSAXLE
RS
AUTOSTICK SWITCH (Continued)
The transfer shaft should be removed for differen-
tial repair and bearing turning torque checking.
(1) Remove the differential cover and bolts (Fig.
173) (Fig. 174).
(2) Remove the differential bearing retainer and
bolts (Fig. 175) (Fig. 176).
(3) Using a plastic hammer, remove extension
housing/adapter plate on the right side of the trans-
axle.
WARNING: HOLD ONTO DIFFERENTIAL ASSEMBLY
TO PREVENT IT FROM ROLLING OUT OF HOUSING.
Fig. 173 Differential Cover Bolts
1 - DIFFERENTIAL COVER BOLTS
2 - DIFFERENTIAL COVER
Fig. 174 Remove Differential Cover
1 - DIFFERENTIAL ASSEMBLY
2 - DIFFERENTIAL COVER
Fig. 175 Differential Retainer Bolts
1 - DIFFERENTIAL RETAINER BOLTS
Fig. 176 Remove Bearing Retainer
1 - DIFFERENTIAL BEARING RETAINER
2 - TOOL L-4435
RS
41TE AUTOMATIC TRANSAXLE
21 - 191
FINAL DRIVE (Continued)
(4) Use Miller Special Tool 5048, 5048-3 Collets,
and L-4539-2 Button to remove the differential bear-
ing cone on the extension housing side.
(5) Use Miller Special Tool 5048, 5048-4 Collets,
and L-4539-2 Button to remove the differential bear-
ing cone on the bearing retainer side (Fig. 177) (Fig.
178) (Fig. 179).
(6) Using Miller Special Tool L-4518, remove the
differential bearing race from the extension housing.
(7) Using Miller Special Tool 6062A, remove the
differential bearing race from the bearing retainer
(Fig. 180) (Fig. 181).
Fig. 177 Position Button and Collets Onto
Differential and Bearing (Ring Gear Side)
1 - SPECIAL TOOL L-4539-2
2 - SPECIAL TOOL 5048
3 - SPECIAL TOOL 5048-4
Fig. 178 Position Tool 5048 Over Button and Collets
at Differential Bearing (Ring Gear Side)
1 - SPECIAL TO0L 5048
2 - DIFFERENTIAL
3 - SPECIAL TOOL 5048-4
Fig. 179 Remove Differential Bearing Cone (Ring
Gear Side)
1 - SPECIAL TOOL 5048
2 - RING GEAR
Fig. 180 Position Bearing Cup Remover Tool in
Retainer
1 - SPECIAL TOOL 6062A
2 - DIFFERENTIAL BEARING RETAINER
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41TE AUTOMATIC TRANSAXLE
RS
FINAL DRIVE (Continued)
(8) Remove ring gear-to-differential case bolts and
floating pinion shaft retainers (Fig. 182).
(9) Separate ring gear from differential case (Fig.
183).
(10) Separate differential cover from case using
suitable screwdrivers at position shown in (Fig. 184)
Fig. 181 Remove Bearing Cup
1 - SPECIAL TOOL 6062A
2 - DIFFERENTIAL BEARING RETAINER
Fig. 182 Ring Gear-to-Case Bolts
1 - DIFFERENTIAL CASE
2 - PINION SHAFT RETAINER
3 - RING GEAR
4 - RING GEAR-TO-CASE BOLT
Fig. 183 Ring Gear Removal
1 - DIFFERENTIAL CASE
2 - RING GEAR
Fig. 184 Separating Differential Support with
Screwdrivers
1 - DIFFERENTIAL SUPPORT
2 - DIFFERENTIAL CASE
3 - SCREWDRIVER
4 - RELIEF (2 @ 180° APART)
RS
41TE AUTOMATIC TRANSAXLE
21 - 193
FINAL DRIVE (Continued)
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