2002 CHRYSLER CARAVAN transfer

(31)TRANSFER GEAR BEARING ADJUST-
MENT:
(a) Install a 4.66 mm (0.184 in.) gauging shim
on the transfer shaft (Fig. 120).
(b) Install transfer shaft gear using Tool 6261.
Using Tool 6259, install transfer shaft gear retain-
ing nut to 271 N´m (200 ft. lbs.).
(c) Measure end play. Attach Tool L4432 to the
transfer gear.
(d) Mount a steel ball with grease into the end
of the transfer shaft.
(e) Push and pull the gear while rotating back
and forth to ensure seating of the bearing rollers.
(f) Using a dial indicator, measure transfer shaft
end play.
(g) Refer to the transfer shaft bearing shim
chart for the required shim combination to obtain
the proper bearing setting.
(h) Use Tool 6259 to remove the retaining nut
and washer. Remove the transfer shaft gear using
Tool L4407A.
(i) Remove the gauging shim (Fig. 120) and
install the proper shim indicated by the chart.
TRANSFER SHAFT BEARING SHIM CHART
End Play Shim Needed Part Number End Play Shim Needed Part Number
0.05mm
(0.002 in.)4.66mm
(0.183 in.)4505588AB0.76mm
(0.030 in.)3.94mm
(0.155 in.)4412818AB
0.08mm
(0.003 in.)4.62mm
(0.182 in.)4412835AB0.79mm
(0.031 in.)3.90mm
(0.154 in.)4412817AB
0.10mm
(0.004 in.)4.58mm
(0.180 in.)4412834AB0.81mm
(0.032 in.)3.90mm
(0.154 in.)4412817AB
0.13mm
(0.005 in.)4.58mm
(0.180 in.)4412834AB0.84mm
(0.033 in.)3.86mm
(0.152 in.)4412816AB
0.15mm
(0.006 in.)4.54mm
(0.178 in.)4412833AB0.86mm
(0.034 in.)3.82mm
(0.150 in.)4412815AB
0.18mm
(0.007 in.)4.50mm
(0.177 in.)4412832AB0.89mm
(0.035 in.)3.82mm
(0.150 in.)4412815AB
0.20mm
(0.008 in.)4.50mm
(0.177 in.)4412832AB0.91mm
(0.036 in.)3.78mm
(0.149 in.)4412814AB
0.23mm
(0.009 in.)4.46mm
(0.175 in.)4412831AB0.94mm
(0.037 in.)3.74mm
(0.147 in.)4412813AB
0.25mm
(0.010 in.)4.46mm
(0.175 in.)4412831AB0.97mm
(0.038 in.)3.74mm
(0.147 in.)4412813AB
0.28mm
(0.011 in.)4.42mm
(0.174 in.)4412830AB0.99mm
(0.039 in.)3.70mm
(0.146 in.)4412812AB
0.30mm
(0.012 in.)4.38mm
(0.172 in.)4412829AB1.02mm
(0.040 in.)3.66mm
(0.144 in.)4412811AB
0.33mm
(0.013 in.)4.38mm
(0.172 in.)4412829AB1.04mm
(0.041 in.)3.66mm
(0.144 in.)4412811AB
Fig. 120 Install Transfer Shaft Gear and (Select)
Shim
1 - TRANSFER SHAFT GEAR
2 - BEARING CUP RETAINER
3 - SHIM (SELECT)
21 - 200 41TE AUTOMATIC TRANSAXLERS
41TE AUTOMATIC TRANSAXLE (Continued)
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(32) Install the transfer shaft gear using Tool 6261
(Fig. 121).
CAUTION: Install a NEW retaining nut, as the origi-
nal nut MUST NOT be reused.
(33) Install the new retaining nut and washer.
(34) Using Tool 6259, torque transfer gear retain-
ing nut to 271 N´m 200 ft. lbs.) (Fig. 122).(35) Measure transfer shaft end play.Transfer
shaft end play should be within 0.05-0.10 mm
(0.002-0.004 in.).If the end play is too high, install a
0.04 mm (0.0016 in.) thicker shim. If the end play is
too low, install a 0.04 mm (0.0016 in.) thinner shim.
Repeat until 0.05-0.10 mm (0.002-0.004 in.) end play
is obtained.
(36) Install a bead of MopartATF RTV (MS-GF41)
to transfer gear cover (Fig. 123).
(37) Install transfer gear cover-to-case bolts and
torque to 20 N´m (175 in. lbs.) torque (Fig. 124).
Fig. 121 Install Transfer Shaft Gear
1 - WRENCHES
2 - SPECIAL TOOL 6261
3 - OUTPUT GEAR
4 - TRANSFER SHAFT GEAR
Fig. 122 Tighten Transfer Gear Nut to 271 N²m (200
ft. lbs.)
1 - TRANSFER SHAFT GEAR
2 - 200 FT. LBS.
3 - TORQUE WRENCH
4 - SPECIAL TOOL 6259
Fig. 123 Install Rear Cover
1 - REAR COVER
2 - 1/8 INCH BEAD OF MOPARTATF RTV (MS-GF41) AS
SHOWN
Fig. 124 Install Rear Cover Bolts
1 - REAR COVER BOLTS
2 - REAR COVER
3 - USE SEALANT ON BOLTS
21 - 202 41TE AUTOMATIC TRANSAXLERS
41TE AUTOMATIC TRANSAXLE (Continued)
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(11) Align and install rear mount bracket-to-case
bolts by hand (Fig. 165). Torque horizontal bolt to
102 N´m (75 ft. lbs.).
(12) AWD models: Install power transfer unit.
(Refer to 21 - TRANSMISSION/TRANSAXLE/
POWER TRANSFER UNIT - INSTALLATION)
(13) Install left and right halfshaft assemblies.
(Refer to 3 - DIFFERENTIAL & DRIVELINE/HALF
SHAFT - INSTALLATION)
(14) Install front wheel/tire assemblies.
(15) Lower vehicle.
(16) Torque remaining rear mount bracket-to-tran-
saxle vertical bolts (Fig. 165) to 102 N´m (75 ft. lbs.).
(17) Install transaxle upper bellhousing-to-block
bolts and torque to 95 N´m (70 ft. lbs.).
(18) Install and connect crank position sensor (if
equipped).
(19) Connect gearshift cable to upper mount
bracket and transaxle manual valve lever (Fig. 166).
Fig. 165 Rear Mount Bracket - Typical
1 - BOLT - VERTICAL 102 N´m (75 ft. lbs.)
2 - BRACKET - REAR MOUNT3 - BOLT - HORIZONTAL 102 N´m (75 ft. lbs.)
Fig. 166 Gearshift Cable at Transaxle - Typical
1 - MANUAL VALVE LEVER
2 - GEAR SHIFT CABLE
3 - UPPER MOUNT BRACKET
21 - 214 41TE AUTOMATIC TRANSAXLERS
41TE AUTOMATIC TRANSAXLE (Continued)
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SPECIFICATIONS - 41TE TRANSAXLE
GENERAL SPECIFICATIONS
DESCRIPTION SPECIFICATION
Transaxle TypeFully adaptive, electronically controlled, four speed
automatic with torque converter and integral differential
Cooling Method Air-to-oil heat exchanger
Lubrication Pump (internal-external gear-type
GEAR RATIOS
DESCRIPTION SPECIFICATION
First Gear 2.84
Second Gear 1.57
Direct Gear 1.00
Overdrive Gear 0.69
Reverse Gear 2.21
BEARING SETTINGS (END PLAY & TURNING TORQUE)
DESCRIPTION METRIC STANDARD
Differential Assembly 0.6-2 N´m 5-18 in. lbs.
Output Hub 0.3-2 N´m 3-8 in. lbs.
Transfer Shaft (End Play) 0.051-0.102 mm 0.002-0.004 in.
Overall Drag At Output Hub 0.3-1.9 N´m 3-16 in. lbs.
CLUTCH CLEARANCES
DESCRIPTION METRIC STANDARD
Low/Rev Clutch (Select Reaction
Plate)0.89-1.47 mm 0.035-0.058 in.
Two/Four Clutch (No Selection) 0.76-2.64 mm 0.030-0.104 in.
Reverse Clutch (Select Snap Ring) 0.89-1.37 mm 0.035-0.054 in.
Overdrive Clutch (No Selection) 1.07-3.25 mm 0.042-0.128 in.
Underdrive Clutch (Select Pressure
Plate)0.94-1.50 mm 0.037-0.059 in.
OIL PUMP CLEARANCES
DESCRIPTION METRIC STANDARD
Outer Gear-to-Crescent 0.060-0.298 mm 0.0023-0.0117 in.
Inner Gear-to-Crescent 0.093-0.385 mm 0.0036-0.0151 in.
Outer Gear-to-Pocket 0.089-0.202 mm 0.0035-0.0079 in.
Outer Gear Side Clearance 0.020-0.046 mm 0.0008-0.0018 in.
Inner Gear Side Clearance 0.020-0.046 mm 0.0008-0.0018 in.
21 - 228 41TE AUTOMATIC TRANSAXLERS
41TE AUTOMATIC TRANSAXLE (Continued)
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INPUT SHAFT
DESCRIPTION METRIC SPECIFICATION
End Play 0.127-0.635mm 0.005-0.025 in.
TORQUE SPECIFICATIONS
DESCRIPTION N´m Ft. Lbs. In. Lbs.
Bolt, Differential
Cover-to-Case19 Ð 165
Bolt, Differential Ring
Gear-to-Case95 70 Ð
Bolt, Differential Bearing
Retainer-to-Case28 21 Ð
Bolt, Driveplate-to-
Crankshaft95 70 Ð
Bolt, Extension Housing/
Plate-to-Case28 21 Ð
Bolt, Oil Pan-to-Case 19 Ð 165
Bolt, Output Gear 271 200 Ð
Bolt, Output Gear
Stirrup/Strap23 17 Ð
Bolt, Oil Pump-to-Case 27 20 Ð
Bolt, Reaction Support-to-
Case27 20 Ð
Bolt, Solenoid/Pressure
Switch Assy.-to-Case12 Ð 110
Bolt, Torque Converter-to-
Driveplate75 55 Ð
Bolt, Transfer Gear Cover 20 Ð 175
Bolt, Valve Body-to-Case 12 Ð 105
Fitting, Oil Cooler Line 12 Ð 105
Nut, Tranfer Gear 271 200 Ð
Tap, Transaxle Pressure 5 Ð 45
Screw, L/R Clutch
Retainer5Ð45
Screw, Solenoid/Pressure
Switch Assy. Connector4Ð35
Screw, Valve Body-to-
Transfer Plate5Ð45
Sensor, Input Speed 27 20 Ð
Sensor, Output Speed 27 20 Ð
Sensor, Transmission
Range Sensor5Ð45
RS41TE AUTOMATIC TRANSAXLE21 - 229
41TE AUTOMATIC TRANSAXLE (Continued)
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OPERATION
The three input clutches are responsible for driving
different components of the planetary geartrain.
NOTE: Refer to the ªElements In Useº 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.
The transfer shaft should be removed for differen-
tial repair and bearing turning torque checking.
(1) Remove the differential cover and bolts (Fig.
174) (Fig. 175).
(2) Remove the differential bearing retainer and
bolts (Fig. 176) (Fig. 177).
(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.
(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.
Fig. 174 Differential Cover Bolts
1 - DIFFERENTIAL COVER BOLTS
2 - DIFFERENTIAL COVER
Fig. 175 Remove Differential Cover
1 - DIFFERENTIAL ASSEMBLY
2 - DIFFERENTIAL COVER
Fig. 176 Differential Retainer Bolts
1 - DIFFERENTIAL RETAINER BOLTS
21 - 238 41TE AUTOMATIC TRANSAXLERS
DRIVING CLUTCHES (Continued)
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ASSEMBLY
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.
(1) Install side gear thrust washer to differential
case (Fig. 193).
(2) Install side gear to differential case (Fig. 194).(3) Install both pinion gears and washers to case,
while orientating washer tabs to notch in case (Fig.
195).
(4) Install pinion shaft (Fig. 196).
Fig. 193 Thrust Washer Installation
1 - THRUST WASHER
Fig. 194 Side Gear Installation
1 - DIFFERENTIAL SIDE GEAR
Fig. 195 Pinion Gear and Washer Installation
1 - PINION GEAR
2 - TABBED WASHER
3 - LOCATING TAB
4 - NOTCH
Fig. 196 Pinion Shaft Installation
1 - PINION SHAFT
RS41TE AUTOMATIC TRANSAXLE21 - 243
FINAL DRIVE (Continued)
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(15) Apply a bead of MopartSilicone Rubber
Adhesive Sealant to extension housing/adapter plate
and install into position. Install and torque bolts to
28 N´m (21 ft. lbs.).
(16)
Measure and adjust differential bearing preload.
(Refer to 21 - TRANSMISSION/TRANSAXLE/AUTO-
MATIC - 41TE/FINAL DRIVE - ADJUSTMENTS)
(17) Apply a bead of MopartSilicone Rubber
Adhesive Sealant to differential cover and install to
case (Fig. 206).
(18) Install and torque cover-to-case bolts to 19
N´m (165 in. lbs.) (Fig. 207).
ADJUSTMENTS
ADJUSTMENT - DIFFERENTIAL BEARING
PRELOAD
NOTE: Perform all differential bearing preload mea-
surements with the transfer shaft and gear removed.
DIFFERENTIAL BEARING PRELOAD ADJUSTMENT
USING EXISTING SHIM
(1)Position the transaxle assembly vertically on the
support stand, differential bearing retainer side up.
(2) Install Tool L-4436A into the differential and
onto the pinion mate shaft (Fig. 208).
Fig. 205 Differential Retainer Bolts
1 - DIFFERENTIAL RETAINER BOLTS
Fig. 206 Install Differential Cover
1 - DIFFERENTIAL ASSEMBLY
2 - DIFFERENTIAL COVER
Fig. 207 Differential Cover Bolts
1 - DIFFERENTIAL COVER BOLTS
2 - DIFFERENTIAL COVER
Fig. 208 Tool L-4436 and Torque Wrench
1 - SPECIAL TOOL L-4436±A
2 - TORQUE WRENCH
3 - DIFFERENTIAL BEARING RETAINER
21 - 246 41TE AUTOMATIC TRANSAXLERS
FINAL DRIVE (Continued)
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