2002 CHRYSLER CARAVAN oil

(4) Using a suitable screwdriver, remove extension
housing axle oil seal (Fig. 31).
(5) Remove extension housing-to-case and differen-
tial cover bolts (Fig. 32).(6) Place transaxle with bellhousing surface down.
(7) Remove backup lamp switch (Fig. 33).
(8) Remove end plate (Fig. 34).
Fig. 31 Extension Housing Seal
1 - SCREWDRIVER
2 - EXTENSION HOUSING
3 - SEAL
Fig. 32 Extension Housing-to-Case Bolts
1 - EXTENSION HOUSING
Fig. 33 Back-Up Lamp Switch
1 - BACK-UP LAMP SWITCH
Fig. 34 End Plate Bolts
1 - BOLT (11)
RST850 MANUAL TRANSAXLE21 - 325
T850 MANUAL TRANSAXLE (Continued)
ProCarManuals.com

(9) Set up lifting bar (tool 8489) as shown in (Fig.
35).
(10) Lift up on bar (input shaft bearing side) and
remove input shaft bearing snap ring.
(11) Lift up on bar (intermediate shaft side) and
remove intermediate shaft bearing snap ring.
(12) Remove lifting bar 8489.
(13) Remove end cover-to-case bolts (12) (Fig. 36).(14) Remove end cover from transaxle (Fig. 37).
(15) Remove 3/4 shift rail bushing from end cover
using slide hammer C-3752 and remover 6786 (Fig.
38).
Fig. 35 Input Bearing Snap Ring
1 - SNAP RING PLIERS
2 - LIFTING BAR 8489
3 - SNAP RING
Fig. 36 End Cover Bolts
1 - BOLT (12)
Fig. 37 End Cover Removal/Installation
1 - END COVER
2 - OIL TROUGH
Fig. 38 3/4 Shift Rail Bushing Removal
1 - SLIDE HAMMER C-3752
2 - REMOVER 6786
21 - 326 T850 MANUAL TRANSAXLERS
T850 MANUAL TRANSAXLE (Continued)
ProCarManuals.com

(26) Remove differential assembly. Note orienta-
tion of shim, oil slinger, and differential side bearing
races (Fig. 42).
(27) Remove differential chip collector magnet and
clean (Fig. 43).Magnet is adhered with RTV, and
may require force to remove.(28) Remove intermediate shaft bearing race with
puller 8472 (Fig. 44).
(29) Remove shift rail bushing from case with
remover 6786 and slide hammer C-3752 (Fig. 45).
Fig. 42 Differential Shim/Slinger Orientation
1 - SLINGER
2 - BEARING RACE
3 - DIFFERENTIAL ASSEMBLY
4 - SHIM (SELECT)
Fig. 43 Differential Magnet
1 - MAGNET
Fig. 44 Intermediate Shaft Bearing Race Removal
1 - REMOVER 8472
Fig. 45 Shift Rail Bushing Removal
1 - SLIDE HAMMER C-3752
2 - REMOVER 6786
21 - 328 T850 MANUAL TRANSAXLERS
T850 MANUAL TRANSAXLE (Continued)
ProCarManuals.com

(14) Install input shaft sealed roller bearing using
installer 8482 (Fig. 58).
(15) Installnewinput shaft bearing snap ring
(Fig. 59).(16) Install shift rail bushing to end cover using
installer 8475 (Fig. 60).
(17) Applya1mm(0.04 in.) bead of MopartGas-
ket Maker to transaxle end cover and install to
transaxle case (Fig. 61).While installing end
cover, be sure to guide oil trough into pocket
(Fig. 62).Torque end cover-to-case bolts to 28 N´m
(250 in. lbs.) (Fig. 63).
Fig. 58 Install Input Shaft Sealed Roller Bearing
1 - INSTALLER 8482
2 - SEALED ROLLER BEARING
Fig. 59 Input Shaft Bearing Snap Ring
1 - SNAP RING
Fig. 60 Shift Rail Bushing Installation
1 - INSTALLER 8475
Fig. 61 End Cover Removal/Installation
1 - END COVER
2 - OIL TROUGH
RST850 MANUAL TRANSAXLE21 - 333
T850 MANUAL TRANSAXLE (Continued)
ProCarManuals.com

(18) Install lifting bar 8489 to geartrain.
(19) Lift up on bar (input shaft side) and install
input shaft bearing snap ring (Fig. 64).
(20) Lift up on bar (intermediate shaft side) and
install intermediate shaft bearing snap ring.
(21) Remove lifting bar 8489.
(22) Install a bead of MopartGear Lube RTV to
end plate and immediately install to case. Install and
torque bolts to 28 N´m (250 in. lbs.) (Fig. 65).
Fig. 62 Oil Trough Pocket
1 - OIL TROUGH
2 - POCKET
Fig. 63 End Cover Bolts
1 - BOLT (12)
Fig. 64 Input Bearing Snap Ring
1 - SNAP RING PLIERS
2 - LIFTING BAR 8489
3 - SNAP RING
Fig. 65 End Cover Bolts
1 - BOLT (11)
21 - 334 T850 MANUAL TRANSAXLERS
T850 MANUAL TRANSAXLE (Continued)
ProCarManuals.com

(19) Install battery thermal shield and clutch cable
eyelet (Fig. 91).(20) Connect battery cables.
(21) Check transaxle fluid and engine coolant lev-
els. Adjust if necessary. (Refer to 21 - TRANSMIS-
SION/TRANSAXLE/MANUAL/FLUID - STANDARD
PROCEDURE)
SPECIFICATIONS - T850 MANUAL TRANSAXLE
GENERAL SPECIFICATIONS
DESCRIPTION SPECIFICATION
Transaxle TypeConstant-mesh, fully synchronized 5-speed with integral
differential
Lubrication MethodSplash oil collected in case passage and oil trough and
distributed to mainshafts via gravity
Fluid Type ATF+4 (Automatic Transmission FluidÐType 9602)
GEAR RATIOS
GEAR RATIO (2.4L Gas) RATIO (2.5L TD)
1st 3.65 3.46
2nd 2.07 2.05
3rd 1.39 1.37
4th 1.03 0.97
5th 0.83 0.76
Reverse 3.47 3.47
Final Drive Ratio 3.77 3.53
Overall Top Gear 3.12 2.66
Fig. 91 Battery Thermal Shield
1 - BATTERY THERMAL SHIELD
RST850 MANUAL TRANSAXLE21 - 343
T850 MANUAL TRANSAXLE (Continued)
ProCarManuals.com

(12) Remove 3rd gear (Fig. 214). (13) Inspect third gear thrust washer for signs of
excessive wear. To replace, drive off of input shaft
with suitable drift and hammer.
ASSEMBLY
NOTE: When servicing the input shaft assembly, all
snap rings MUST be replaced with new ones upon
assembly. 5th gear nut must also be replaced.
NOTE: When installing 3/4 synchronizer hub to
shaft, make sure to align oil slots on synchronizer
hub face with oil hole in the shaft splined hub jour-
nal.
NOTE: Refer to (Fig. 215) for input shaft assembly
reference.
Fig. 215 Input Shaft Assembly
1 - INPUT SHAFT 6 - 5TH GEAR NUT
2 - THRUST WASHER 7 - SNAP RING
3 - 3RD GEAR 8 - INPUT BEARING (SEALED)
4 - 4TH GEAR 9 - SNAP RING
5 - 5TH GEAR 10 - 3/4 SYNCHRONIZER
Fig. 214 3rd Gear Removal/Installation
1 - 3RD GEAR
RST850 MANUAL TRANSAXLE21 - 383
INPUT SHAFT (Continued)
ProCarManuals.com

(1) Install input shaft into fixture 8487.
(2) Install thrust washer if removed upon disas-
sembly.
(3) Install 3rd gear (Fig. 216).
(4) Install 3rd gear blocker ring (Fig. 217).(5) Install 3/4 synchronizer (Fig. 218).When
installing 3/4 synchronizer hub to shaft, make
sure to align oil slots on synchronizer hub face
with oil hole in the shaft splined hub journal.
(6) InstallNEW3/4 synchronizer snap ring (Fig.
219).
Fig. 216 3rd Gear Removal/Installation
1 - 3RD GEAR
Fig. 217 3rd Gear Blocker Ring
1 - 3RD GEAR BLOCKER RING
Fig. 218 3/4 Synchro Assembly
1 - 3/4 SYNCHRONIZER
Fig. 219 3/4 Synchro Snap Ring
1 - SNAP RING
2 - 3/4 SYNCHRONIZER
21 - 384 T850 MANUAL TRANSAXLERS
INPUT SHAFT (Continued)
ProCarManuals.com