1996 CHRYSLER VOYAGER servo

cation and Maintenance section of this service man-
ual, for the required lifting procedure to be used for
this vehicle.
(5) Remove at power steering pump, the power
steering fluid hose coming from the power steering
fluid reservoir. Let the power steering fluid drain out
of the reservoir and hose.
(6) Lower vehicle.
(7) Remove hose clamp attaching the power steer-
ing fluid supply hose to the power steering fluid res-
ervoir (Fig. 24).
(8) Remove the power steering fluid supply hose
from the vehicle. Hose is removed from the top of the
engine compartment.
INSTALL
CAUTION: On V-6 engine applications, the power
steering fluid reservoir to power steering hose must
be routed tightly against the strut tower and parallel
to the dash panel. It must also be routed under the
wiring harness and below the drip tube. This rout-
ing will prevent the power steering fluid supply
hose from coming in contact with the accessory
drive belt.
(1) Install and correctly route the power steering
fluid supply hose from remote fluid reservoir down to
power steering pump.
(2) Install the fluid supply hose onto the power
steering fluid reservoir (Fig. 24). Install the hose
clamp on the fluid supply hose.Be sure hose clamp
is installed past bead on fluid reservoir fitting.
(3) Raise vehicle on jack stands or centered on a
frame contact type hoist. See Hoisting in the Lubri-
cation and Maintenance section of this service man-
ual, for the required lifting procedure to be used for
this vehicle.
(4) Install power steering fluid supply hose on
power steering pump. Install the hose clamp on the
fluid supply hose.Be sure hose clamp is installed
past bead on pump fitting.
(5) Lower vehicle.
(6) Install routing clip on power steering fluid sup-
ply hose. Be sure routing clip is installed in a posi-
tion to correctly align with stud in strut tower.
(7) Install routing clip for power steering fluid sup-
ply hose on stud in strut tower (Fig. 25).
(8) Fill the remote fluid reservoir to the proper
level and let the fluid settle for at least two (2) min-
utes.
(9) Start the engine and let run for a few seconds.
Then turn the engine off.
(10) Add fluid if necessary. Repeat the above pro-
cedure until the fluid level remains constant after
running the engine.
(11) Raise the front wheels off the ground.(12) Start the engine. Slowly turn the steering
wheel right and left, lightly contacting the wheel
stops.
(13) Add power steering fluid if necessary.
(14) Lower the vehicle and turn the steering wheel
slowly from lock to lock.
(15) Stop the engine. Check the fluid level and
refill as required.
(16) If the fluid is extremely foamy, allow the vehi-
cle to stand a few minutes and repeat the above pro-
cedure.
POWER STEERING FLUID PRESSURE HOSE
Service all power steering hoses with vehicle raised
on hoist. Cap all open ends of hoses, power steering
pump fittings and steering gear ports to prevent
entry of foreign material into the components.
WARNING: POWER STEERING OIL, ENGINE
PARTS AND THE EXHAUST SYSTEM MAY BE
EXTREMELY HOT IF ENGINE HAS BEEN RUNNING.
DO NOT START ENGINE WITH ANY LOOSE OR DIS-
CONNECTED HOSES. DO NOT ALLOW HOSES TO
TOUCH HOT EXHAUST MANIFOLD OR CATALYST.
For part reference and part location for the vehicle
that is being serviced, refer to the following figure
numbers. These show the hose bracket locations,
hose routings and fitting locations by the engine
application of the vehicle. Use these figure numbers
when referring to the removal or installation proce-
dures for the power steering hoses listed below.
REMOVE
(1) Remove cap from power steering fluid reser-
voir.
(2) Using a siphon pump, remove as much power
steering fluid as possible from the power steering
fluid reservoir.
(3) Raise vehicle See Hoisting, Group 0. Put oil
drain pan under vehicle to catch power steering fluid.
(4) Raise the heat sleeve on the power steering
fluid return hose (Fig. 26) to expose the return hose
to steel tube connection. Remove the hose clamp from
the power steering fluid return hose (Fig. 26).
Remove power steering fluid return hose from steel
tube and allow power steering fluid to drain from
pump.
NSSTEERING 19 - 19
REMOVAL AND INSTALLATION (Continued)

(6) Install the power steering fluid return hose on
the steel tube at the front suspension cradle (Fig.
26).
(7) Install a screw type hose clamp on the power
steering hose to steel tube connection. Tighten the
screw clamp to a torque of 2 N´m (18 in. lbs.).
CAUTION: The protective heat sleeves must cover
the entire rubber hose and hose to tube connection
portion of both the power steering fluid pressure
and return hoses (Fig. 26).
(8) When used, properly position the protective
heat sleeves on the power steering hoses. Then, tie
strap the heat sleeves to the power steering hoses to
keep them in their proper position.
(9) After hoses are installed and power steering
system is filled with fluid and cap is installed on res-
ervoir. Start the engine and check for leaks. (See
Pump Installation).
POWER STEERING FLUID RETURN HOSE
Service all power steering hoses with vehicle raised
on hoist. Cap all open ends of hoses, power steering
pump fittings and steering gear ports to prevent
entry of foreign material into the components.
WARNING: POWER STEERING OIL, ENGINE
PARTS AND THE EXHAUST SYSTEM MAY BE
EXTREMELY HOT IF ENGINE HAS BEEN RUNNING.
DO NOT START ENGINE WITH ANY LOOSE OR DIS-
CONNECTED HOSES. DO NOT ALLOW HOSES TO
TOUCH HOT EXHAUST MANIFOLD OR CATALYST.
For part reference and part location for the vehicle
that is being serviced, refer to the following figure
numbers. These show the hose bracket locations,
hose routings and fitting locations by the engine
application of the vehicle. Use these figure numbers
when referring to the removal or installation proce-
dures for the power steering hoses listed below.
REMOVE
(1) Remove cap from power steering fluid reser-
voir.
(2) Using a siphon pump, remove as much power
steering fluid as possible from the power steering
fluid reservoir.
(3) Raise vehicle See Hoisting, Group 0. Put oil
drain pan under vehicle to catch power steering fluid.
(4) Raise the insulating heat sleeve on the power
steering hoses to expose the hose to steel tube con-
nection. Remove hose clamp where rubber portion of
power steering fluid return hose attaches to steel
tube on suspension cradle (Fig. 30). Remove rubber
hose from steel tube and allow power steering fluid
to drain from pump.(5) Remove the power steering fluid return hose
from the power steering pump return hose fitting.
INSTALL
(1) Using a lint free towel, wipe clean the open
power steering hose ends and power steering pump
fitting.
(2) Attach the power steering return hose to the
fitting on the power steering pump. Route hose
smoothly avoiding tight bends or kinking. Hose must
remain away from the exhaust system and not come
in contact with any unfriendly surfaces of the vehi-
cle.
(3) Install the power steering fluid return hose on
the steel tube at the front suspension cradle (Fig.
30).
(4) Install a screw type hose clamp on the power
steering hose to steel tube connection. Tighten the
screw clamp to a torque of 2 N´m (18 in. lbs.).
CAUTION: The protective heat shield sleeves must
cover the entire rubber hose and hose to tube con-
nection portion of both the power steering fluid
pressure and return hoses (Fig. 30). This is to pre-
vent overheating of the power steering fluid hoses.
(5) When used, position the protective heat sleeves
on the power steering hoses so they cover the connec-
tion to the power steering pump. Then, tie strap the
heat sleeves to the power steering hoses to keep
them in their proper position.
(6) After hoses are installed and power steering
system is filled with fluid and cap is installed on res-
ervoir. Start the engine and check for leaks. (See
Pump Installation).
Fig. 30 Power Steering Return Hose At Steel Tube
NSSTEERING 19 - 21
REMOVAL AND INSTALLATION (Continued)

REMOTE POWER STEERING FLUID RESERVOIR
REMOVE
(1) Remove the filler cap from remote power steer-
ing fluid reservoir (Fig. 31).
(2) Raise vehicle on jack stands or centered on a
frame contact type hoist. See Hoisting in the Lubri-
cation and Maintenance section of this service man-
ual, for the required lifting procedure to be used for
this vehicle.
(3) Remove at power steering pump, the power
steering fluid hose coming from the power steering
fluid reservoir. Let the power steering fluid drain out
of the reservoir and hose.
(4) Lower vehicle.
(5) Remove the fluid supply hose (Fig. 31) from the
remote power steering fluid reservoir.
(6) Remove the 2 mounting screws (Fig. 31)
attaching the remote fluid reservoir to the inner
fender.
(7) Remove remote reservoir from inner fender.
INSTALL
(1) Install remote power steering fluid reservoir on
inner fender, by first inserting tab on reservoir into
hole in inner fender. Then rotate reservoir so mount-
ing tabs are against inner fender.
(2) Install and securely tighten the 2 reservoir
mounting screws (Fig. 31).
CAUTION: The power steering fluid reservoir to
power steering pump supply hose must be routed
tightly against the strut tower and parallel to the
dash panel. It must also be routed under the wiring
harness and below the drip tube. This will prevent
the hose from coming in contact with the accessory
drive belt. The power steering fluid supply hose
must be located in its correct position by clipping it
to the stud in the strut tower (Fig. 32).(3) Install the fluid supply hose onto the power
steering fluid reservoir fitting (Fig. 31). Install the
hose clamp on the fluid supply hose at the fluid res-
ervoir.Be sure hose clamp in installed past bead
on fluid reservoir fitting.
(4) Raise vehicle on jack stands or centered on a
frame contact type hoist. See Hoisting in the Lubri-
cation and Maintenance section of this service man-
ual, for the required lifting procedure to be used for
this vehicle.
(5) Install power steering fluid supply hose on
power steering pump. Install the hose clamp on the
fluid supply hose at the power steering pump.Be
sure hose clamp in installed past bead on pump
fitting.
(6) Lower vehicle.
(7) Install routing clip for power steering fluid sup-
ply hose on stud in strut tower (Fig. 32).
(8) Fill the remote fluid reservoir to the proper
level and let the fluid settle for at least two (2) min-
utes.
(9) Start the engine and let run for a few seconds.
Then turn the engine off.
(10) Add fluid if necessary. Repeat the above pro-
cedure until the fluid level remains constant after
running the engine.
(11) Raise the front wheels off the ground.
(12) Start the engine. Slowly turn the steering
wheel right and left, lightly contacting the wheel
stops.
(13) Add power steering fluid if necessary.
(14) Lower the vehicle and turn the steering wheel
slowly from lock to lock.
(15) Stop the engine. Check the fluid level and
refill as required.
(16) If the fluid is extremely foamy, allow the vehi-
cle to stand a few minutes and repeat the above pro-
cedure.
Fig. 31 Remote Power Steering Fluid Reservoir
Fig. 32 Power Steering Fluid Hose Routing Clip
19 - 22 STEERINGNS
REMOVAL AND INSTALLATION (Continued)

DISASSEMBLY AND ASSEMBLY
POWER STEERING PUMP PULLEY
DISASSEMBLY
(1) Remove the pulley from the shaft of the power
steering pump using Puller C-4333 or C-4068 (Fig.
33).
CAUTION: Do not hammer on power steering
pump pulley. This will damage the pulley and the
power steering pump.
(2) Replace pulley if it is found to be bent, cracked,
or loose.
ASSEMBLY
(1) Install the pulley with Installer C-4063 (Fig.
34). Do not use the tool adapters.
(2) Ensure that the tool and the pulley remain
aligned with the pump shaft. Prevent the pulley from
being cocked on the shaft.(3) Force pulley flush with the end of the power
steering pump shaft (Fig. 35).
(4) With serpentine belts, run engine until warm
(5 min.) and note any belt chirp. If chirp exists, move
pulley outward approximately 0.5 mm (0.020 in.). If
noise increases, press on 1.0 mm (0.040 in.).Be
careful that pulley does not contact mounting
bolts.
POWER STEERING PUMP FLOW CONTROL VALVE
SEAL
DISASSEMBLE
WARNING: POWER STEERING OIL, ENGINE
PARTS AND THE EXHAUST SYSTEM MAY BE
EXTREMELY HOT IF ENGINE HAS BEEN RUNNING.
DO NOT START ENGINE WITH ANY LOOSE OR DIS-
CONNECTED HOSES. DO NOT ALLOW HOSES TO
TOUCH HOT EXHAUST MANIFOLD OR CATALYST.
(1) Remove cap from power steering fluid reser-
voir.
(2) Using a siphon pump, remove as much power
steering fluid as possible from the power steering
fluid reservoir.
(3) Raise vehicle See Hoisting, Group 0. Put oil
drain pan under vehicle to catch power steering fluid.
(4) Raise the heat sleeve (Fig. 36) on the power
steering return hose to expose the return hose to
steel tube connection. Remove hose clamp from
power steering fluid return hose (Fig. 36). Remove
power steering return hose from steel tube and allow
remaining power steering fluid to drain from power
steering pump and reservoir.
(5) Remove the power steering fluid pressure line
from the power steering pump pressure fitting (Fig.
37). Drain excess power steering fluid from hose.
Fig. 33 Pulley Removal
Fig. 34 Pulley Installation
Fig. 35 Pulley To Pump Shaft Location
NSSTEERING 19 - 23

(1) Remove cap from power steering fluid reser-
voir.
(2) Using a siphon pump, remove as much power
steering fluid as possible from the power steering
fluid reservoir.
(3) With the ignition key in the locked position
turn the steering wheel to the left until the steering
wheel is in the locked position.
(4) With the vehicle on the ground, disconnect the
steering column shaft coupler from the steering gear
intermediate coupler (Fig. 3).
(5) Raise vehicle on jack stands or centered on a
frame contact type hoist. See Hoisting in the Lubri-
cation and Maintenance section of this service man-
ual, for the required lifting procedure to be used for
this vehicle.
(6) Remove the front tires.
(7) Raise the heat sleeve (Fig. 4) on the power
steering return hose to expose the return hose to
steel tube connection. Remove the return hose from
the metal tube of the power steering fluid return line
(Fig. 4). Then allow the remaining power steering
fluid to drain from the system through the hose and
metal tube.
(8) Remove nut attaching outer tie rod end to
steering knuckle (Fig. 5).Nut is to be removed
from tie rod end using the following procedure,
hold tie rod end stud with a 11/32 socket while
loosening and removing nut with wrench.
(9) Remove both tie rod ends from steering knuck-
les, using Puller Special Tool MB-990635 or
MB-991113 (Fig. 6).
Fig. 3 Steering Column Shaft To Intermediate Shaft
Attachment
Fig. 4 Power Steering Fluid Return Hose
Connection
Fig. 5 Removing/Installing Tie Rod End Attaching
Nut
Fig. 6 Tie Rod End Removal From Steering Knuckle
19 - 28 STEERINGNS
REMOVAL AND INSTALLATION (Continued)

CAUTION: Proper torque on the cradle plate to
suspension cradle mounting bolts is very impor-
tant.
(8) Install cradle plate on front suspension cradle
and install the 10 cradle plate to cradle attaching
bolts and nuts (Fig. 8). Tighten all attaching bolts to
a torque of 165 N´m (123 ft. lbs.).
(9) Install the bracket (Fig. 9) attaching the power
steering fluid tubes to the front suspension cradle.
CAUTION:
(10) Install the power steering fluid return hose on
the steel tube at the front suspension cradle (Fig. 4).
(11) Install a screw type hose clamp on the power
steering hose to steel tube connection.Be sure hose
clamp is installed on return tube past the upset
bead on the tube.Tighten the screw clamp to a
torque of 2 N´m (18 in. lbs.).
CAUTION: The protective heat shield sleeves must
cover the entire rubber hose and hose to tube con-
nection portion of both the power steering fluid
pressure and return hoses (Fig. 4). This is required
to prevent the power steering hoses from being
overheated.
(12) When used, properly position the protective
heat sleeves on the power steering hoses. Then, tie
strap the heat sleeves to the power steering hoses to
keep them in their proper position.
(13) Install the front tire and wheel assemblies on
vehicle. Install the wheel lug nuts and torque to 129
N´m (95 ft. lbs.).
(14) Lower the vehicle to a level were the interior
of vehicle is accessible.
(15) Using the intermediate coupler, turn the front
wheels of the vehicle to the left until the intermedi-
ate coupler shaft is properly aligned with the steer-
ing column coupler. Assemble the steering column
shaft coupler (Fig. 3) onto the steering gear interme-
diate coupler. Install steering column coupler to
intermediate shaft retaining pinch bolt (Fig. 3).
Tighten the pinch bolt nut to a torque of 28 N´m (250
in. lbs.).
CAUTION: Do not use automatic transmission fluid
in the power steering system. Only use Mopar,
Power Steering Fluid or an exact equivalent prod-
uct.
(16) Fill power steering pump fluid reservoir to the
proper level.
(17) Start the engine and let run for a few seconds.
Then turn the engine off.(18) Add fluid if necessary. Repeat the above pro-
cedure until the fluid level remains constant after
running the engine.
(19) Raise front wheels of vehicle off the ground.
(20) Start the engine. Slowly turn the steering
wheel right and left, lightly contacting the wheel
stops. Then turn the engine off.
(21) Add power steering fluid if necessary.
(22) Lower the vehicle and turn the steering wheel
slowly from lock to lock.
(23) Stop the engine. Check the fluid level and
refill as required.
(24) If the fluid is extremely foamy, allow the vehi-
cle to stand a few minutes and repeat the above pro-
cedure.
(25) Fill power steering reservoir to correct level
with Mopart, Power Steering Fluid, or equivalent.
(26) Adjust toe (Refer to Group 2 Suspension).
DISASSEMBLY AND ASSEMBLY
STEERING GEAR INNER TIE ROD BOOT
DISASSEMBLE
NOTE: The removal and installation of the inner tie
rod boot must be performed with the steering gear
assembly removed from the vehicle.
(1) Loosen the inner to outer tie rod jam nut (Fig.
15). Remove the outer tie rod from the inner tie rod.
(2) Remove nut attaching the outer tie rod end to
the steering knuckle (Fig. 16).Nut is to be
removed from tie rod end using the following
procedure, hold tie rod end stud with an 11/32
socket, while loosening and removing nut with
wrench.
Fig. 15 Inner To Outer Tie Rod Jam Nut
NSSTEERING 19 - 31
REMOVAL AND INSTALLATION (Continued)

STEERING
CONTENTS
page
POWER STEERINGÐ2.5L VM DIESEL....... 1
POWER STEERINGÐ2.5L VM DIESEL
INDEX
page page
GENERAL INFORMATION
POWER STEERING GEAR................ 1
POWER STEERING PUMP................ 1
STEERING GEAR OPERATIONÐRHD & LHD
VEHICLES........................... 1SERVICE PROCEDURES
POWER STEERING PUMP ± INITIAL
OPERATION.......................... 1
REMOVAL AND INSTALLATION
POWER STEERING PUMPÐ2.5L DIESEL..... 2
GENERAL INFORMATION
POWER STEERING PUMP
The power steering pump used with the 2.5L VM
Diesel engine operates the same way as the power
steering pump used with the 2.5/4.0L gasoline
engines. Refer to the Description and Operation sec-
tion for the 2.5/4.0L gasoline engine power steering
pump for more information.
STEERING GEAR OPERATIONÐRHD & LHD
VEHICLES
NOTE: The power steering gear should NOT be ser-
viced or adjusted. If a malfunction or oil leak
occurs, the complete steering gear should be
replaced.
Refer to the Power Steering Gear in group 19 for
more information
POWER STEERING GEAR
SERVICE PROCEDURES
POWER STEERING PUMP ± INITIAL OPERATION
WARNING: THE FLUID LEVEL SHOULD BE
CHECKED WITH ENGINE OFF TO PREVENT INJURY
FROM MOVING COMPONENTS.CAUTION: Use MOPAR Power Steering Fluid or
equivalent. Do not use automatic transmission fluid
and do not overfill.
Wipe filler cap clean, then check the fluid level.
The dipstick should indicateCOLDwhen the fluid is
at normal temperature.
(1) Fill the pump fluid reservoir to the proper level
and let the fluid settle for at least two minutes.
(2) Start the engine and let run for a few seconds
then turn engine off.
(3) Add fluid if necessary. Repeat the above proce-
dure until the fluid level remains constant after run-
ning the engine.
Fig. 1 Power Steering GearÐRHD Vehicles
NS/GSSTEERING 19 - 1

TRANSAXLE AND POWER TRANSFER UNIT
CONTENTS
page page
31TH AUTOMATIC TRANSAXLE.............. 1
41TE AUTOMATIC TRANSAXLE............. 71POWER TRANSFER UNIT................. 165
31TH AUTOMATIC TRANSAXLE
INDEX
page page
GENERAL INFORMATION
31TH TRANSAXLE........................ 2
FLUID LEVEL AND CONDITION.............. 2
SELECTION OF LUBRICANT................ 3
SPECIAL ADDITIVES...................... 3
DESCRIPTION AND OPERATION
CLUTCHES, BAND SERVOS, AND
ACCUMULATOR
...................... 3
FLOW CONTROL VALVES.................. 3
GEARSHIFT AND PARKING LOCK CONTROLS . . 4
GOVERNOR............................. 4
HYDRAULIC CONTROL SYSTEM............. 3
PRESSURE REGULATING VALVES........... 3
PRESSURE SUPPLY SYSTEM............... 3
TORQUE CONVERTER CLUTCH SOLENOID
WIRING CONNECTOR................... 4
TORQUE CONVERTER CLUTCH............. 3
DIAGNOSIS AND TESTING
CLUTCH AND SERVO AIR PRESSURE TESTS . 15
FLUID LEAKAGE-TRANSAXLE TORQUE
CONVERTER HOUSING AREA............ 15
HYDRAULIC PRESSURE TESTS............ 13
ROAD TEST............................. 4
THREE SPEED TRANSAXLE DIAGNOSIS AND
TESTS............................... 4
SERVICE PROCEDURES
ALUMINUM THREAD REPAIR.............. 18
FLUID AND FILTER CHANGE............... 16
FLUID DRAIN AND REFILL................. 18
FLUSHING COOLERS AND TUBES.......... 18
OIL PUMP VOLUME CHECK............... 19
REMOVAL AND INSTALLATION
FRONT PUMP OIL SEAL.................. 21
PARK/NEUTRAL STARTING AND BACK-UP
LAMP SWITCH........................ 19
TRANSAXLE AND TORQUE CONVERTER
REMOVAL............................ 20
VEHICLE SPEED SENSOR PINION GEAR..... 19DISASSEMBLY AND ASSEMBLY
ACCUMULATOR-RECONDITION............ 36
DIFFERENTIAL REPAIR................... 46
FRONT CLUTCH-RECONDITION............ 32
FRONT PLANETARY & ANNULUS GEAR-
RECONDITION........................ 35
KICKDOWN SERVO (CONTROLLED LOAD)-
RECONDITION........................ 37
LOW/REVERSE (REAR)
SERVO-RECONDITION.................. 36
OIL PUMP-RECONDITION................. 31
OUTPUT SHAFT REPAIR.................. 43
PARKING PAWL......................... 42
REAR CLUTCH-RECONDITION............. 33
TRANSAXLE........................... 21
TRANSFER SHAFT REPAIR................ 38
VALVE BODY RECONDITION............... 27
CLEANING AND INSPECTION
VALVE BODY........................... 50
ADJUSTMENTS
BAND ADJUSTMENT..................... 51
BEARING ADJUSTMENT PROCEDURES...... 52
DIFFERENTIAL BEARING................. 53
GEARSHIFT CABLE ADJUSTMENT.......... 51
HYDRAULIC CONTROL PRESSURE
ADJUSTMENTS....................... 52
OUTPUT SHAFT BEARING................ 52
THROTTLE PRESSURE LINKAGE
ADJUSTMENT......................... 51
TRANSFER SHAFT BEARING.............. 54
SCHEMATICS AND DIAGRAMS
31TH TRANSAXLE HYDRAULIC SCHEMATIC . . 56
SPECIFICATIONS
31TH AUTOMATIC TRANSAXLE............. 64
31TH TORQUE SPECIFICATIONS........... 65
SPECIAL TOOLS
31TH AUTOMATIC TRANSAXLE............. 66
NSTRANSAXLE AND POWER TRANSFER UNIT 21 - 1