shaft CHRYSLER CARAVAN 2002 Service Manual

(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).
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 - 400 T850 MANUAL TRANSAXLERS
INTERMEDIATE SHAFT (Continued)
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(22) InstallNEWintermediate shaft sealed bear-
ing snap ring (Fig. 273).
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.
Fig. 274 Shift Lever Identification
1 - SHIFT COVER ASSEMBLY
2 - VENT
3 - CROSSOVER LEVER
4 - SELECTOR LEVER
Fig. 273 Intermediate Shaft Bearing Snap Ring
1 - SNAP RING
2 - BEARING
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 - 401
INTERMEDIATE SHAFT (Continued)
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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.
SYNCHRONIZER
DESCRIPTION
The T850 transaxle uses two styles of synchronizer
assemblies; a conventional single-cone style is used
for the 5th/Reverse and 3rd/4th applications (Fig.
277), and a dual-cone style for the 1st/2nd gear appli-
cation (Fig. 278).
DISASSEMBLY
Place synchronizer in a clean shop towel and wrap.
Press on inner hub. Carefully open up shop towel
and remove springs, balls, keys, hub, and sleeve.
CLEANING
CLEAN
Do not attempt to clean the blocking rings in sol-
vent. The friction material will become contaminated.
Place synchronizer components in a suitable holder
and clean with solvent. Air dry.
INSPECTION
INSPECT
Proper inspection of components involve:
²Teeth, for wear, scuffed, nicked, burred, or bro-
ken teeth
²Keys, for wear or distortion
²Balls and springs, for distortion, cracks, or wear
Fig. 276 Shift Fork/Shaft Components
1 - 5/R FORK
2 - SHAFT/LINK ASSEMBLY
3 - LINK
4 - 3/4 FORK
5 - 1/2 FORK
Fig. 277 3/4-5/R Synchronizer Assembly
1 - SLEEVE
2 - HUB
3 - BLOCKER RING (2)
4 - SPRING (3)
5 - KEY (3)
6 - BALL (3)
21 - 402 T850 MANUAL TRANSAXLERS
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exceed 0.76 mm (0.030 inch) with no tread ªdipsº
or ªsteps.º Tread ªdipsº and ªstepsº can be identi-
fied by spikes of the dial indicator gauge.
(c) If runout exceeds limits, mark the original
location of the tire on the wheel at the valve stem
(Fig. 3). Also, mark the tire and wheel to indicate
the original high spot of the assembly and record
the runout measurement.
(d) If runout exceeds limits, the tire will need to
be dismounted from the wheel to verify wheel vs.
tire contribution. Refer to Wheel Runout below.
(3)Lateral Runout.Lateral runout for the vehi-
cle system as well as the tire and wheel assembly
should be less than 0.76 mm (0.030 inch). The same
procedure and theory described for radial runout can
also be applied to identify and reduce lateral runout.
(4)Wheel Runout.This runout check is per-
formed as follows:
(a) Dismount the tire from the wheel.
(b) Mount the wheel back on the wheel balancer.
(c) Measure radial runout of the wheel at the
tire bead seat (Fig. 4). Runout should not exceed
0.254 mm (0.010 inch) for aluminum wheels and
0.508 mm (.020 inch) for steel wheels. Replace the
wheel if it exceeds the limit.
(d) Measure lateral runout of the wheel at the
tire bead seat (Fig. 5). Runout should not exceed
0.762 mm (0.030 inch) for all wheels. Replace the
wheel if it exceeds the limit.
(5)Match Mounting.If the wheel runout is
within specifications, tire and wheel assembly runout
can be improved by re-indexing (match mounting)
the tire to the wheel as described below.
Fig. 2 Radial Runout Measurement
1 - MASKING TAPE
2 - DIAL INDICATOR
Fig. 3 Marking Tire
1 - REFERENCE MARK
2 - EXAMPLE HIGH SPOT ON TIRE
3 - WHEEL
4 - VALVE STEM
Fig. 4 Checking Radial Runout Of Wheel
1 - MOUNTING CONE
2 - SPINDLE SHAFT
3 - WING NUT
4 - PLASTIC CUP
5 - DIAL INDICATOR
6 - WHEEL
7 - DIAL INDICATOR
RSTIRES/WHEELS22-3
TIRES/WHEELS (Continued)
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(a) Remount the tire on the rim 180 degrees
from its original location (Fig. 6). Ensure the tire
bead is properly seated.
(b) Re-measure the total runout. Mark the tire
at the high spot and record the measurement.If runout is still excessive, perform the following:
²If the new high spot is within 102 mm (4.0 inch)
of the first high spot on the tire, replace the tire.
²If the new high spot is within 102 mm (4.0 inch)
of the first high spot on the wheel, the wheel may be
out of specification. Refer to Wheel Runout above.
²If the new high spot is NOT within 102 mm (4.0
inch) of either high spot, draw an arrow on the tread
from new high spot toward the original (Fig. 7).
Break down the tire and remount it 90 degrees on
rim in that direction, then re-measure runout. This
will normally reduce the runout to an acceptable
amount.
(6) Once back together, road test the vehicle for at
least 5 miles, following the format described in Road
Test. If vibration persists, and all components tested
are within specification, the tires may have an exces-
sive radial force condition. Radial force variation can
only be checked as indicated below. If this equipment
is not available, consult with the tire manufacturer.
RADIAL FORCE VARIATION
Radial Force Variation can be checked using the
Hunter GSP 9700 Vibration Control System (Wheel
Balancer) or equivalent, if available. This type of
equipment helps to correct ride disturbances by
reducing the radial force variation of an assembly
through re-indexing of the tire to wheel.
The equipment manufacturer or DaimlerChrysler
Corporation may supply reference values as guide-
Fig. 5 Checking Lateral Runout Of Wheel
1 - MOUNTING CONE
2 - SPINDLE SHAFT
3 - WING NUT
4 - PLASTIC CUP
5 - DIAL INDICATOR
6 - WHEEL
7 - DIAL INDICATOR
Fig. 6 Remount Tire 180 Degrees
1 - VALVE STEM
2 - REFERENCE MARK
Fig. 7 Remount Tire 90 Degrees In Direction of
Arrow
1 - 2ND HIGH SPOT ON TIRE
2 - 1ST HIGH SPOT ON TIRE
22 - 4 TIRES/WHEELSRS
TIRES/WHEELS (Continued)
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(12) Remove front door trim panel from vehicle.
INSTALLATION
(1) Hold top of trim panel away from door to gain
access to latch linkage.
(2) Place linkage rod in position on latch handle.
(3) Engage clip to hold linkage rod to inside latch
release handle.
(4) Place front door trim panel in position on door.
(5) Install trim panel into inner belt molding at
top of door.
(6) Install clips to attach door trim to door frame
around perimeter of panel.
(7) If equipped, install screw to attach door trim to
door panel behind inside latch release handle.
(8) If equipped, connect power switch into wire
connector.
(9) Place power accessary switch in position on
door trim.
(10) Connect wire connector into memory seat/mir-
ror switch and install switch into trim panel.
(11) Install screws to attach accessary switch
panel to door trim.
(12) Install screw cover into switch panel.
(13) If equipped, install window crank.
(14) If equipped, install screws to attach trim
panel to door inside map pocket.
(15) If equipped, install screw to attach door pull
cup to inner door panel.
(16) If equipped, install screws to attach door
assist handle to inner door panel.
(17) Connect wire connector into courtesy lamp.
(18) Install lamp in door trim.
(19) Install switch bezel.
WATERSHIELD
REMOVAL
(1) Remove door trim panel.
(2) Remove the front door speaker.
(3) Peel watershield away from adhesive around
perimeter of inner door panel.
INSTALLATION
(1) Insure that enough adhesive remains to
securely retain the water dam. Replace as necessary.
(2) Place the sound shield into position and press
securely to adhesive making sure to properly route
wiring and linkages.
(3) Install door trim panel.
WINDOW CRANK
REMOVAL
(1) Using a window crank removal tool, disengage
clip attaching window crank to regulator shaft (Fig.
14).
NOTE: Wrap a shop towel around the window crank
to catch the clip when it springs out.
(2) Pull window crank from regulator shaft.
INSTALLATION
(1) Place the clip on to the window crank handle.
(2) Position window crank to regulator shaft.
(3) Push window crank onto regulator shaft to
engage retaining clip.
Fig. 13 INSIDE DOOR HANDLE LINKAGE
1 - DOOR LATCH HANDLE
2 - DOOR TRIM
3 - LATCH LINKAGE
4 - CLIP
5 - MEMORY SEAT SWITCH
Fig. 14 WINDOW CRANK - TYPICAL
1 - WINDOW CRANK REMOVAL TOOL
2 - WINDOW CRANK
RSDOOR - FRONT23-21
TRIM PANEL (Continued)
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LOCK CYLINDER
REMOVAL
(1) Remove the liftgate trim panel. (Refer to 23 -
BODY/DECKLID/HATCH/LIFTGATE/TAILGATE/
TRIM PANEL - REMOVAL)
(2) Disconnect the electrical connector.
(3) Disconnect the latch rod.
(4) Rotate plastic lock cylinder nut one quarter
turn and remove nut and spring washer.
(5) Remove the lock cylinder from the liftgate.
INSTALLATION
(1) Install lock cylinder into liftgate.
(2) Install the plastic lock cylinder lock nut, spring
washer and rotate one quarter turn.
(3) Connect the electrical connector.
(4) Connect the latch rod.
(5) Install the trim panel. (Refer to 23 - BODY/
DECKLID/HATCH/LIFTGATE/TAILGATE/TRIM
PANEL - INSTALLATION)
(6) Verify lock cylinder operation.
SUPPORT CYLINDER
REMOVAL
(1) Release liftgate latch and open liftgate.
(2) Support liftgate on a suitable lifting device in
the full open position.
(3) Pull liftgate opening weatherstrip from D-pillar
flange next to prop assembly end pivot.
(4) Remove bolt attaching end pivot to D-pillar
(Fig. 6).
(5) Remove bolt attaching prop assembly to lift-
gate.
(6) Remove prop assembly from vehicle.
INSTALLATION
Ensure that the cylinder end is attached to the
D-pillar and the shaft end is attached to the liftgate.
(1) Place prop assembly in position.
(2) Install bolt attaching prop assembly to liftgate.
(3) Install bolt attaching end pivot to D-pillar.
Tighten bolts to 28 N´m (21 ft. lbs.) torque.
(4) Install liftgate opening weatherstrip to D-pillar
flange next to prop assembly end pivot.
(5) Close liftgate. Check liftgate operation.
TRIM PANEL
REMOVAL
(1) Remove the bolt attaching the lift motor link, if
equipped (Fig. 7).
(2) Remove liftgate upper frame molding (Fig. 8).
(3) Remove assist handle screws.
(4) Disengage hidden clips holding trim panel to
liftgate from around perimeter or liftgate (Fig. 8).
(5) Disconnect wire connector from lamps.
(6) Remove liftgate trim panel from vehicle.
Fig. 6 LIFTGATE PROP ASSEMBLY
1 - LIFTGATE
2 - PROP ASSEMBLY
Fig. 7 LIFTGATE MOTOR
1 - LIFTGATE MOTOR LINK BOLT
2 - LIFTGATE MOTOR
3 - LIFTGATE
23 - 42 DECKLID/HATCH/LIFTGATE/TAILGATERS
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COWL GRILLE
REMOVAL
(1) Remove wiper arms. (Refer to 8 - ELECTRI-
CAL/WIPERS/WASHERS/WIPER ARMS -
REMOVAL)
(2) Remove four (4) screws securing cowl cover to
wiper module (Fig. 6).
(3) Disengage quarter turn fasteners at outboard
ends of cowl grill from body.
(4) Release hood latch and open hood.
CAUTION: To prevent hood scratching of cowl grille
before removal, cover outboard exterior ends of
cowl grille with masking tape or equivalent method.
NOTE: Do not over bend cowl grille during removal.
Bend cowl grille just enough to clear top of wiper
pivot shaft and bottom rear corner of hood.
(5) Remove cowl grill by raising above driver side
wiper pivot shaft and swinging away towards engine
compartment. The cowl grille will need to be bent on
outboard end to clear simultaneously top of wiper
pivot shaft and bottom corner of hood.
(6) Close hood. Do not latch. Remove outboard
screws. (Fig. 7).
(7) Disconnect washer hose in line connector.
(8) Disconnect washer hose and grommet from
hole in wiper module and pull out.
(9) Remove cowl grille by raising over opposite
wiper pivot shaft and removing away from vehicle.
(10) Remove cowl cover from vehicle.
INSTALLATION
(1) Reverse removal procedure.
(2) When installing cowl cover over wiper module,
make sure fore aft locator on the underside of cowl
grill seat into the locator grooves on top of wiper
module.
(3) Star all cowl grille mounting screws by hand
before torquing to specifications.
(4) Assure washer hose is properly routed and not
pinched.
(5) Center cowl grille to body and windshield.
(6) Assure ªarrowº indicator head of quarter turn
fasteners is pointing toward windshield.
(7) Tighten screw to 1.2 N´m (11 in. lbs.) torque.
(8) Install the wiper arms. (Refer to 8 - ELECTRI-
CAL/WIPERS/WASHERS/WIPER ARMS - INSTAL-
LATION)
(9) Check for proper spray pattern from washer
nozzles.
EXTERIOR NAME PLATES -
TAPE ATTACHED
REMOVAL
(1) Mark reference points before removing.
(2) Using a heat gun gently apply heat in a circu-
lar motion to loosen the adhesive bond.
(3) Using a nonmetallic prying device, such as a
plastic or wood trim stick gently pry up at corners
and remove.Fig. 6 COWL COVER
1 - COWL COVER
2 - WIPER PIVOT
3 - WASHER HOSES
4 - HOOD
Fig. 7 COWL COVER RETAINERS
1 - SCREW
2 - WINDSHIELD
3 - COWL COVER
4 - FRONT FENDER
23 - 50 EXTERIORRS
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(3) Reach under trim cover through opening at
bottom of seat back.
(4) Pinch retainer barbs on end of head restraint
sleeve together (Fig. 10).
(5) Pull head restraint sleeve upward and out the
top of the seat back frame guide tube (Fig. 11).
INSTALLATION
(1) Insert head restraint sleeve into guide tube at
top of seat back.
(2) Push head restraint sleeve downward until
retainer clicks into lock position.
(3) Engage closure to hold bottom of trim cover
together.
(4) Install head restraint.
RECLINER HANDLE
REMOVAL
(1) Remove screw holding recliner handle to
recliner spline shaft (Fig. 12).
(2) Remove recliner handle from spline shaft.
INSTALLATION
(1) Place recliner handle in position on spline
shaft.
(2) Install screw to hold recliner handle to recliner
spline shaft (Fig. 12).
ARMREST
REMOVAL
(1) Using a small flat blade, pry cap from side of
armrest (Fig. 13).
(2) Remove bolt attaching armrest to seat back.
Fig. 9 HEAD RESTRAINT
1 - HEAD RESTRAINT
2 - SLEEVES
3 - LOCK BUTTON
Fig. 10 HEAD RESTRAINT SLEEVE RETAINER
1 - GUIDE TUBE
2 - PINCH RETAINER TO RELEASE
3 - SEAT BACK FRAME
Fig. 11 HEAD RESTRAINT SLEEVE
1 - SEAT BACK FRAME
2 - HEAD RESTRAINT SLEEVE
3 - RETAINER
4 - GUIDE TUBE
RSSEATS23-89
HEADREST SLEEVE (Continued)
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REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Disconnect the headlamp and dash wire har-
ness connector for the A/C pressure transducer from
the transducer connector receptacle (Fig. 3).
(3) Using an open end wrench, unscrew the A/C
pressure transducer from the fitting on the liquid
line between the filter-drier and the expansion valve.
(4) Remove the seal from the A/C pressure trans-
ducer fitting and discard.
INSTALLATION
(1) Lubricate a new rubber O-ring seal with clean
refrigerant oil and install it on the A/C pressure
transducer fitting.
(2) Using an open end wrench, install and tighten
the A/C pressure transducer onto the fitting on the
liquid line between the filter-drier and the expansion
valve.
(3) Reconnect the headlamp and dash wire harness
connector for the A/C pressure transducer to the
transducer connector receptacle.
(4) Reconnect the battery negative cable.
BLEND DOOR ACTUATOR
DESCRIPTION
The blend door actuators are reversible, 12-volt
Direct Current (DC), servo motors. Models with the
single zone heater and air conditioner system have a
single blend air door, which is controlled by a singleblend door actuator. Models with the optional dual
zone front heater and air conditioner system have
dual blend air doors, which are controlled by two
blend door actuators. The single zone blend door
actuator is located on the driver side end of the heat-
er-A/C housing unit, close to the dash panel. In the
dual zone system, the same blend door actuator used
for the single zone system becomes the passenger
blend door actuator, and is mechanically connected to
only the passenger side blend air door. In the dual
zone system, a second separate blend door actuator is
also located on the driver side end of the heater-A/C
housing unit close to the instrument panel, and is
mechanically connected to only the driver side blend
air door.
The blend door actuators are interchangeable with
each other, as well as with the actuators for the
mode door and the recirculation air door. Each actua-
tor is contained within an identical black molded
plastic housing with an integral wire connector
receptacle. Two integral mounting tabs allow the
actuator to be secured with two screws to the heater-
A/C unit housing. Each actuator also has an identical
output shaft with splines that connects it to the link-
age that drives the proper blend air door. The blend
door actuators do not require mechanical indexing to
the blend door linkage, as they are electronically cal-
ibrated by the heater-A/C control module. The blend
door actuators cannot be adjusted or repaired and, if
damaged or faulty, they must be replaced.
OPERATION
Each blend door actuator is connected to the heat-
er-A/C control module through the vehicle electrical
system by a dedicated two-wire take out and connec-
tor of the HVAC wire harness. The blend door actua-
tor can move the blend air door in two directions.
When the heater-A/C control module pulls the volt-
age on one side of the motor connection high and the
other connection low, the blend air door will move in
one direction. When the module reverses the polarity
of the voltage to the motor, the blend air door moves
in the opposite direction. When the module makes
the voltage to both connections high or both connec-
tions low, the blend air door stops and will not move.
These same motor connections also provide a feed-
back signal to the heater-A/C control module. This
feedback signal allows the module to monitor the
operation and relative positions of the blend door
actuator and the blend air door. The heater-A/C con-
trol module learns the blend air door stop positions
during the calibration procedure and will store a
Diagnostic Trouble Code (DTC) for any problems it
detects in the blend door actuator circuits. The blend
door actuator can be diagnosed using a DRBIIItscan
tool. Refer to the appropriate diagnostic information.
Fig. 3 A/C Pressure Transducer
1 - RIGHT FRONT STRUT TOWER
2 - CONNECTOR
3 - A/C PRESSURE TRANSDUCER
4 - RIGHT WIPER MODULE DRAIN TUBE
5 - HIGH SIDE SERVICE PORT
6 - LIQUID LINE
RSCONTROLS - FRONT24-11
A/C PRESSURE TRANSDUCER (Continued)
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