1995 JEEP CHEROKEE parking brake

(7) Align valve body and seat it on case. Be sure
manual lever shaft and accumulator spring are prop-
erly seated.
(8) Hold valve body in position and install one or
two attaching bolts to hold valve body in place.
(9) Install remaining valve body bolts. Tighten all
bolts evenly in a diagonal pattern to 12 Nzm (105 in-
lbs) torque.
(10) Install new oil filter and tighten filter screws
to4Nzm (35 in. lbs.) torque.
(11) Connect converter solenoid wire to case con-
nector.
(12) Install manual and throttle levers on throttle
lever shaft. Tighten lever clamp screws and check for
free operation. Shaft and levers must operate freely
without any bind.
(13) Install oil pan and new gasket. Tighten pan
bolts to 17 Nzm (13 ft. lbs.) torque.
(14) Install seal on neutral switch, install switch in
case, and connect switch wires.
(15) Lower vehicle.
(16) Fill transmission with Mopar ATF Plus, Type
7176 fluid.
(17) Adjust gearshift linkage and throttle valve
(kickdown) cable if necessary.
GOVERNOR AND PARK GEAR SERVICE
GOVERNOR/PARK GEAR REMOVAL
(1) Raise vehicle.
(2) Mark both propeller shaft yokes for assembly
reference and disconnect propeller shafts at transfer
case.
(3) Disconnect speed sensor wires and remove
speedometer adapter and sensor.
(4) Position support stand under transmission con-
verter housing.
(5) Remove rear crossmember.
(6) Disconnect parking brake cable at equalizer
and disconnect exhaust components as necessary.
(7) Support transfer case with jack.
(8) Remove bolts attaching transfer case to trans-
mission adapter housing and remove transfer case.
(9) Remove bolts attaching adapter, or extension
housing to transmission and remove adapter/housing.
(10) Loosen but do not remove bolts that attach
governor body to park gear.
(11) Rotate transmission output shaft until gover-
nor weight assembly is accessible. Then remove
E-clip at this end of governor shaft.
(12) Remove governor valve and shaft from gover-
nor body (Fig. 13).
(13) Remove snap rings and washers that retain
governor body and park gear assembly on output
shaft (Fig. 14).
(14) Remove governor body-park gear assembly
from output shaft (Fig. 15).
GOVERNOR BODY/PARK GEAR DISASSEMBLY
(1) Remove bolts attaching governor body to park
gear; then separate body from gear.
Fig. 13 Governor Valve And Shaft Removal
Fig. 14 Governor Body/Park Gear Retaining Snap
Rings And Thrust Washer Position
Fig. 15 Governor Body And Park Gear Removal/
Installation
J30RH/32RH IN-VEHICLE SERVICE 21 - 105

(2) Verify transmission throttle cable operation.
Repair or replace cable if necessary.
(3) Check engine throttle operation. Operate accel-
erator pedal and observe injector throttle plate move-
ment. Adjust linkage if throttle plate does not reach
wide open position.
(4) Check transmission fluid level when fluid is at
normal operating temperature. Start engine. Shift
transmission through all gear ranges then back to
Neutral. Correct level is to Full or Add mark on dip-
stick with engine at curb idle speed.
(5) Check and adjust park/neutral position switch
if necessary.
(6) Check throttle position sensor adjustment and
operation. Adjust the sensor if necessary.
MANUAL SHIFTING TEST
(1) This test determines if problem is related to
mechanical or electrical component.
(2) Stop engine and disconnect transmission con-
trol module or module fuse.
(3) Road test vehicle. Shift transmission into each
gear range. Transmission should operate as follows:
²lock in Park
²back up in Reverse
²not move in Neutral
²provide first gear only with shift lever in 1-2 posi-
tion
²operate in third gear only with shift lever in 3 po-
sition
²operate in overdrive fourth gear in D position
(4) If transmission operates as described, proceed
to next step. However, if forward gear ranges were
difficult to distinguish (all feel the same), or vehicle
would not back up, refer to diagnosis charts. Do not
perform stall or time lag tests.
CAUTION: Do not overspeed the engine during the
next test step. Ease off the throttle and allow the
vehicle to slow before downshifting.
(5) Continue road test. Manually downshift trans-
mission from D to 3, and from 3 to 1-2 position. Then
manually upshift transmission through forward
ranges again.
(6) If transmission operation is OK, perform stall,
time lag and pressure tests. If transmission shifting
problem is encountered, refer to diagnosis charts.
(7) If a problem still exists, continue testing with
DRB scan tool.
HYDRAULIC PRESSURE TEST
PRESSURE TEST PROCEDURE
(1) Connect pressure test gauge to test port on pas-
senger side of transmission. Use Adapter 7554 to con-
nect gauge. Be sure test gauge has minimum
capacity of 300 psi (2100 kPa).(2) Be sure transmission fluid is at normal operat-
ing temperature.
(3) Apply parking brakes and block wheels.
WARNING: DO NOT ALLOW ANYONE TO STAND
AT THE FRONT OR REAR OF THE VEHICLE WHILE
PERFORMING THE FOLLOWING STEPS IN THE
PRESSURE TEST.
(4) Check and adjust engine curb idle speed.
(5) Apply (and hold) service brakes.
(6) Shift transmission into D range and note line
pressure with engine at curb idle speed. Pressure
should be 61-to-70 psi (421-to-481 kPa).
(7) Press accelerator pedal to wide open throttle
position and note line pressure. Pressure should be
173-to-209 psi (1196-to-1442 kPa).
CAUTION: Do not hold wide open throttle for more
than 3-4 seconds at a time.
(8) Shift transmission into Reverse and note line
pressure with engine at curb idle speed. Pressure
should be 75-to-90 psi (519-to-618 kPa).
(9) Press accelerator to wide open throttle position
and note line pressure in Reverse. Pressure should
be 213-to-263 psi (1471-to-1814 kPa).
CAUTION: Do not hold wide open throttle for more
than 4 seconds.
(10) If line pressure is not within specifications,
adjust transmission throttle cable and repeat pres-
sure test.
Fig. 27 Pressure Test Gauge Connection
JAW-4 TRANSMISSION DIAGNOSIS 21 - 177

PRESSURE TEST ANALYSIS
If pressures in D and Reverse are higher than
specified in test, check for the following:
²throttle cable loose, worn, binding or out of adjust-
ment
²throttle valve, downshift plug, throttle cam, or pri-
mary regulator valve are sticking, worn or damaged
If pressures in D and Reverse are lower than spec-
ified in test, check for following:
²throttle cable loose, worn, binding or out of adjust-
ment
²throttle valve, downshift plug, or throttle cam
sticking, worn or damaged
²primary regulator valve sticking, worn, or dam-
aged
²oil pump gears or housing worn, or damaged
²overdrive clutch worn, or damaged
If pressures are low in D range only, check for fol-
lowing:
²forward clutch worn or damaged
²fluid leakage in D range circuit (component seal
and O-rings)
If pressures are low in Reverse only, check for fol-
lowing:
²shift cable and manual valve out of adjustment
²fluid leakage in reverse circuit (component seal
and O-rings)
²direct clutch worn or damaged
²first/reverse brake worn or damaged
TORQUE CONVERTER STALL TEST
Stall testing checks the holding ability of the trans-
mission clutches and brakes and of the torque con-
verter stator overrunning clutch.Stall speeds are
checked in both Drive and Reverse ranges with
the AW-4 transmission.
(1) Before starting test, be sure fluid level is cor-
rect and fluid is at normal operating temperature.
(2) Connect tachometer to engine. Position tachom-
eter so it can be viewed from drivers seat.
(3) Apply parking brakes and block wheels.
(4) Apply and hold service brakes.
(5) Shift transfer case into 2H position.
(6) Start engine.
WARNING: DO NOT ALLOW ANYONE TO STAND AT
THE FRONT OR REAR OF THE VEHICLE DURING
THE TEST.
(7) Shift transmission into D range.
(8) Open throttle completely and record maximum
engine rpm registered on tachometer. It takes any-
where from 4 to 10 seconds to reach maximum rpm.
However, once maximum rpm has been achieved,do
not hold wide open throttle for more than 3-4
seconds.CAUTION: Stalling the converter causes a rapid in-
crease in fluid temperature. To avoid fluid overheat-
ing, hold wide open throttle for no more than 4
seconds after reaching peak rpm. In addition, if
more than one stall test is required, run the engine
at 1000 rpm with the transmission in Neutral for at
least 20 seconds to cool the fluid.
(9) Stall speed should be in 2100-2400 rpm range
in Drive.
(10) Release throttle, shift transmission into Neu-
tral, and run engine for 20-30 seconds to cool fluid.
(11) Shift transmission into Reverse.
(12) Repeat stall test described in step (8).
(13) Stall speed in Reverse should also be in 2100-
2400 rpm range.
(14) Release accelerator pedal, shift transmission
into Neutral, and run engine for 20-30 seconds to
cool fluid.
STALL SPEED TEST ANALYSIS
If engine rpm is lower than specified in D and Re-
verse, check for the following:
²engine output/performance insufficient
²stator overrunning clutch in torque converter not
holding if engine speed was 1500 rpm or less.
If stall speed in D range is higher than specified,
check for the following:
²line pressure low
²forward clutch slipping
²No. 2 one-way clutch not holding
²overdrive one-way clutch not holding
If stall speed in Reverse was higher than specified,
check for the following:
²line pressure low
²direct clutch slipping
²first/ reverse brake slipping
²overdrive one-way clutch not holding
If stall speeds were higher than specified in both D
and Reverse, check for the following:
²low fluid level
²line pressure low
²overdrive one-way clutch not holding
TIME LAG TEST
This test checks general condition of the overdrive
clutch, forward clutch, rear clutch and first/reverse
brake. Condition is indicated by the amount of time
required for clutch/brake engagement with the en-
gine at curb idle speed. Engagement time is mea-
sured for D and Reverse positions. A stop watch is
recommended for test accuracy.
TEST PROCEDURE
(1) Check and adjust transmission fluid level if
necessary.
(2) Bring transmission to normal operating tem-
perature.
21 - 178 AW-4 TRANSMISSION DIAGNOSISJ

(3) Apply parking brakes and turn off air condi-
tioning unit.
(4) Shift transfer case into 2H range.
(5) Start engine and check curb idle speed. Adjust
speed if necessary. Curb idle must be correct to en-
sure accurate test results.
(6) Shift transmission into Neutral and set stop
watch.
(7) During following test steps, start stop watch as
soon as shift lever reaches D and Reverse ranges.
(8) Shift transmission into D range and record
time it takes for engagement. Repeat test two more
times.
(9) Reset stop watch and shift transmission back to
Neutral.
(10) Shift transmission into Reverse and record
time it takes for engagement. Repeat test two more
times.(11) Engagement time in D range should be a max-
imum of 1.2 seconds. Engagement time for Reverse
should be a maximum of 1.5 seconds.
TIME LAG TEST ANALYSIS
If engagement time is longer than specified for D
range, check for the following:
²shift cable misadjusted
²line pressure low
²forward clutch worn
²overdrive clutch worn or damaged
If engagement time is longer than specified for Re-
verse, check for the following:
²shift cable misadjusted
²line pressure low
²direct clutch worn
²first/reverse brake worn
²overdrive clutch worn or damaged
JAW-4 TRANSMISSION DIAGNOSIS 21 - 179

AW-4 IN-VEHICLE SERVICE
INDEX
page page
Accumulator Pistons and Springs............. 189
Adapter Housing Seal Replacement........... 191
Checking Fluid Level and Condition........... 182
Manual Valve Shaft Seal Replacement......... 187
Park Interlock Cable Adjustment............. 195
Park Rod and Pawl Service................. 190
Park/Neutral Position Switch................ 183
Refilling After Overhaul or Fluid/Filter Change . . . 182
Second Coast Brake Servo................. 190
Shift Cable Adjustment.................... 195
Speed Sensor........................... 192Speed Sensor RotorÐSpeedometer Drive Gear . . 193
Throttle Position Sensor (TPS) Service........ 193
Transmission Control Module (TCM) Service.... 183
Transmission Cooler Line Fittings............ 197
Transmission Cooler Service................ 196
Transmission Throttle Cable Adjustment........ 194
Transmission Throttle Cable Replacement...... 193
Transmission Valve Body Installation.......... 187
Transmission Valve Body Removal........... 186
Transmission Valve Body Solenoids........... 184
CHECKING FLUID LEVEL AND CONDITION
Recommended fluid for AW-4 transmissions is Mo-
par Dexron IIE/Mercon.
Mopar Dexron II can also be used but only when
Mercon fluid is not available.
CHECKING FLUID LEVEL
(1) Be sure transmission fluid is at normal operat-
ing temperature. Normal operating temperature is
reached after approximately 15 miles (25 km) of op-
eration.
(2) Position vehicle on level surface. This is impor-
tant for an accurate fluid level check.
(3) Shift transmission through all gear ranges and
back to Park.
(4) Apply parking brakes.
(5) Verify that transmission is in Park.
(6) Wipe off dipstick handle to prevent dirt from
entering fill tube. Then remove dipstick and check
fluid level and condition.
(7) Correct fluid level isto FULL mark on dip-
stick when fluid is at normal operating temper-
ature(Fig. 1).
(8) If fluid level is low, top off level with Mopar
Dexron IIE/Mercon. Mopar Dexron II can be used but
only if Mercon is not available.Do not overfill
transmission. Add only enough fluid to bring
level to Full mark.
(9) If too much fluid was added, excess amount can
be removed with suction gun and appropriate diame-
ter plastic tubing. Tubing only has to be long enough
to extend into oil pan.
CHECKING FLUID CONDITION
Inspect the appearance of the fluid during the fluid
level check. Fluid color should range from dark red to
pink and be free of foreign material, or particles. If
the fluid is dark brown or black in color and smells
burnt, the fluid has been overheated and must be
changed.Transmission operation should also be checked if
the fluid is severely discolored and contains quanti-
ties of foreign material, metal particles, or clutch disc
friction material.
A small quantity of friction material or metal
particles in the oil pan is normal. The particles
are usually generated during the break-in pe-
riod and indicate normal seating of the various
transmission components.
REFILLING AFTER OVERHAUL OR FLUID/FILTER
CHANGE
The best way to refill the transmission after a fluid
change or overhaul is as follows:
(1) If transmission has been overhauled, install
transmission in vehicle.
(2) Remove dipstick and insert clean funnel in
transmission fill tube.
(3) Add following initial quantity of Mopar Dexron
IIE/Mercon to transmission:
(a) If fluid/filter change was performed, add4
pints (2 quarts)of fluid to transmission.
(b) If transmission was completely overhauled
and torque converter was replaced or drained, add
10 pints (5 quarts)of fluid to transmission.
(c) Remove funnel and install dipstick.
(4) Operate vehicle until fluid reaches normal op-
erating temperature.
(5) Apply parking brakes.
Fig. 1 Transmission Fluid Level
21 - 182 AW-4 IN-VEHICLE SERVICEJ

the front bumper and radiator support be removed
for access to the cooler lines and attaching bracket.
REVERSE FLUSHING MAIN AND AUXILIARY
COOLERS AND COOLER LINES
Reverse flushing the cooler and lines will prevent
sludge and particles from flowing back into the
transmission after repair. The flushing procedure ap-
plies to standard (in-radiator) coolers and auxiliary
coolers equally.
Pressure equipment is preferred for reverse flush-
ing. However, reverse flushing can be performed us-
ing hand operated equipment as described in the
following procedure.
(1) Disconnect cooler lines at transmission and at
auxiliary cooler (Figs. 48 and 49).
(2) Position drain pan under cooler line to catch
material flushed through coolers and lines.
(3) Reverse flush each cooler using hand operated
suction gun filled with mineral spirits. Insert gun
nozzle (or hose) into cooler inlet (return) line. Then
force mineral spirits through into line and through
cooler.
(4) Continue reverse flushing until fluid exiting in-
let (pressure) line is clear and free of debris/residue.
(5) Replace radiator if fluid cannot be pumped
through main cooler. Replace auxiliary cooler if leaks
are evident, or if fluid cannot be pumped through it.
(6) Clear flushing materials from coolers and lines
with short pulses of compressed air. Insert air gun
nozzle into cooler inlet (return) line and continue
short pulses of air until all fluid is cleared from
cooler and lines.(7) Pump one quart of fresh automatic transmis-
sion fluid through cooler and lines before reconnect-
ing cooler lines.
FLOW TESTING TRANSMISSION MAIN
COOLER
Cooler flow is checked by measuring the amount of
fluid flow through the cooler in a 20 second time pe-
riod. The test is performed with the engine running
and transmission in neutral. Fluid is then pumped
through the cooler by the transmission oil pump.
(1) Disconnect cooler inlet line at transmission fit-
ting.
(2) Securely attach hose to end of inlet line and po-
sition line in a one quart test container.
(3) Add extra quart of fluid to transmission.
(4) Use stopwatch to check flow test time.
(5) Shift transmission into neutral and set parking
brake.
(6) Start and run engine at curb idle speed and im-
mediately note cooler flow. Approximately one quart
of fluid should flow into test container in 20 second
period.
(7) If cooler flow is intermittent, flows less than
one quart in 20 seconds, or does not flow at all,
cooler is faulty and must be replaced.
TRANSMISSION COOLER LINE FITTINGS
Quick connect fittings are used at the transmission
cooler line connections. The fitting seals and guides
are serviceable.
Replace the seals and guides whenever the fittings
exhibit leakage, or will not properly snap into place.
Fig. 49 Auxiliary Cooler Mounting (Right Hand Drive)
JAW-4 IN-VEHICLE SERVICE 21 - 197

INTERIOR COMPONENTS
INDEX
page page
Assist HandleÐXJ........................ 89
B/C-Pillar and Liftgate Pillar Trim CoversÐXJ.... 88
Bucket Seat Cushion and CoverÐXJ........... 81
Bucket Seat PlatformÐXJ................... 82
Bucket Seatback Cover and FrameÐXJ........ 81
Cargo BarrierÐXJ........................ 101
Cargo LampÐXJ......................... 94
Carpets and Floor MatsÐXJ................. 99
Dome LampÐXJ......................... 93
Front Bucket SeatsÐXJ.................... 81
Front Carpet/MatÐXJ...................... 99
Front Inner Scuff Plate/Cowl Side Trim PanelÐXJ . 86
Front Shoulder Belt/BuckleÐXJ............... 90
Full Floor ConsoleÐXJ..................... 95
HeadlinerÐXJ............................ 92
I/P Ash Receiver Tray LampÐXJ.............. 80
Instrument Cluster BezelÐXJ................ 80
Interior Trim Panels and Scuff PlatesÐXJ....... 84
Jack StorageÐXJ......................... 97
Keyless Entry ReceiverÐXJ................. 93Mini-Console with Floor ShiftÐXJ............. 94
Mini-Floor ConsoleÐXJ..................... 94
Outer Scuff PlatesÐXJ..................... 89
Overhead ConsoleÐXJ..................... 93
Parking Brake Handle CoverÐXJ............. 94
Quarter and Wheelhouse Trim PanelsÐXJ...... 87
Quarter Trim Panel ExtensionÐXJ............. 87
Rear Carpet/MatÐXJ..................... 100
Rear Seat Cushion CoverÐXJ............... 82
Rear Seat CushionÐXJ.................... 82
Rear Seatback CoverÐXJ................... 84
Rear Seatback Latch Striker and BumperÐXJ.... 84
Rear SeatbackÐXJ........................ 83
Rear Shoulder/Lap Belt/BuckleÐXJ............ 91
Sound BarÐXJ........................... 94
Spare Tire/Wheel Holddown and Floor
BracketsÐXJ........................... 98
SunvisorsÐXJ........................... 93
Windshield Side MoldingÐXJ................ 86
INSTRUMENT CLUSTER BEZELÐXJ
REMOVAL
(1) Remove the bezel retaining screws (Fig. 1).
(2) Separate the bezel from the U-clips and remove
it from the upper section of the instrument panel.
(3) If necessary, remove or install rocker switch
cover plates.
INSTALLATION
(1) Position the bezel on the upper instrument
panel and engage it with the U-clips.
(2) Install the bezel retaining screws. Tighten thescrews with 1 Nzm (11 in-lbs) torque.
For service procedures regarding individual I/P
components refer to Group 8, Electrical.
I/P ASH RECEIVER TRAY LAMPÐXJ
REMOVAL
(1) Remove the ash receiver tray from instrument
panel (Fig. 2).
(2) Remove the lamp retaining screw from the ash
receiver tray cavity (Fig. 3).
(3) Disconnect the lamp wire harness connector
and remove the lamp from the instrument panel.
Fig. 1 Instrument Bezel Removal/Installation
Fig. 2 Ash Receiver Tray
23 - 80 INTERIOR COMPONENTSÐXJJ

INSTALLATION
(1) Install the support bracket and the retaining
screw. Tighten the screw to 1 Nzm (9 in-lbs) torque.
(2) Position the sunvisor in the support clip and
align the arm support bracket holes with the head-
liner holes.
(3) Install the screws that attach the sunvisor arm
support bracket to the headliner and the roof panel.
Tighten the screws to 4 Nzm (35 in-lbs) torque.
SOUND BARÐXJ
REMOVAL
(1) Disconnect battery negative cable.
(2) Remove left and right upper trim molding.
(3) Remove sound bar screws.
(4) Separate sound bar from roof.
(5) Disconnect speaker connector.
(6) Disconnect cargo lamp connector.
(7) Remove sound bar from vehicle (Fig. 8).
INSTALLATION
(1) Position sound bar in vehicle.
(2) Connect speaker connecter.
(3) Connect cargo lamp connector.
(4) Position sound bar at roof.
(5) Install sound bar screws.
(6) Install left and right upper trim molding.
(7) Connect battery negative cable.
CARGO LAMPÐXJ
REMOVAL
(1) Remove the cargo lamp lens (Fig. 8) by squeez-
ing both sides to release the retaining clips. Pull
downward to remove the lens.
(2) Remove the push nuts.
(3) Disconnect the wire harness connector.
(4) Remove the lamp from the sound bar.
INSTALLATION
(1) Connect the cargo lamp wire harness connector.
(2) Position the cargo lamp in the sound bar hole
and install the push nuts.
(3) Install the cargo lamp lens.
MINI-FLOOR CONSOLEÐXJ
Mini-consoles are installed in XJ vehicles with and
without a transmission floor shift (Fig. 1).
PARKING BRAKE HANDLE COVERÐXJ
REMOVAL
(1) Detach the rear of the cover from the base and
pivot it upward (Fig.2).
(2) Remove the retaining screws from the cover
base.
(3) Remove the trim cover from the from the floor.
INSTALLATION
(1) Position the cover on the floor and install the
retaining screws.
(2) Pivot the cover to the closed position and en-
gage the locking tab.
MINI-CONSOLE WITH FLOOR SHIFTÐXJ
REMOVAL
(1) Remove the transmission shift lever handle/
knob. For vehicles with an automatic transmission,
pull the handle straight up. For vehicles with a man-
ual transmission, loosen the locknut and un-thread
the shift knob from the shaft.
(2) Remove the automatic transmission and trans-
fer case shift indicator bezel by prying upward to re-
lease them (Fig. 3).
(4) Disconnect the lamp socket from the bezel.
(5) Remove the console retaining screws.
(6) Disconnect the wire harness connector.
Fig. 7 Sunvisor Removal/Installation
Fig. 8 Sound Bar Removal/Installation
23 - 94 INTERIOR COMPONENTSÐXJJ