Chrysler New Yorker. Manual — part 289
(3) Index the inner differential adjuster with a
cross hair as shown in (Fig. 54).
CAUTION: If short stub shaft has corrosion, use
caution when removing differential cover. Inspect
seal and shaft for damage after removal of cover.
Replace shaft and/or seal as required.
(4) Index outer adjuster (Fig. 55). Remove lock
bracket and back out adjuster exactly one revolution.
Then remove differential cover.
(5) Remove The inner adjuster lock bracket. Then
remove the inner adjuster.
CAUTION: Keep the inner adjuster for reinstalla-
tion.
(6) Lube inner adjuster threads with gear oil and
reinstall to the cross haired index marks.
(7) Install the differential carrier. Then install
stub shaft seal protector.
(8) Install the differential cover/outer adjuster
assembly with sealant applied. Install and tighten
differential cover bolts.
(9) Tighten the outer adjuster 3/4 of a turn. Seat
bearings by turning differential carrier three or four
turns in both directions. Finish tightening the
adjuster 1/4 turn to its index mark (original location).
(10) Reinstall long stub shaft, fill differential with
fluid and reinstall transaxle.
(11) After installing transaxle check transmission
side fluid level.
SHORT STUB SHAFT SEAL REPLACEMENT
The following procedure can be used to replace the
short stub shaft seal without having to remove the
transaxle from the vehicle. If the adjuster or bearing
located behind the adjuster require replacement, do
not use this procedure. Refer to Differential Recondi-
tion section of this manual.
(1) Place vehicle in neutral and lift vehicle on
hoist.
(2) Remove short driveshaft.
(3) Index the outer adjuster (Fig. 56).
(4) Remove outer adjuster lock (Fig. 57).
(5) Using special tool 6503 loosen outer adjuster,
then retighten to the index mark using a torque
wrench. Record the amount of torque required to
return the index marks to their original location.
Remove the adjuster.
Fig. 53 Install Bearing Onto Shaft
Fig. 54 Indexing Inner Adjuster
Fig. 55 Indexing Outer Adjuster
300M
TRANSAXLE
21 - 29
REMOVAL AND INSTALLATION (Continued)
(6) Use special tool 6558 to remove old seal and
install new seal (Fig. 58).
(7) Inspect stub shaft for corrosion (Fig. 59). If cor-
rosion exists, wrap stub shaft with wax paper and
install seal protector over wax paper.
(8) Lube O-ring, threads on adjuster, seal protector
and seal lips with gear oil before installing.
(9) Install outer adjuster into transaxle case and
tighten adjuster within 10 ft. lbs. of the torque read-
ing recorded in step five.
(10) Rotate ring gear three or four revolutions in
both directions to seat differential bearings.
(11) Continue tightening outer adjuster until index
marks line up (original location).
(12) Install adjuster lock.
(13) Install new driveshaft retaining circlip and
O-ring on stub shaft. Then reinstall driveshaft.
(14) Check fluid level in differential and adjust as
required.
(15) Road test and recheck for leaks as required.
DISASSEMBLY AND ASSEMBLY
VALVE BODY
RECONDITION
(1) Remove manual shaft screw (Fig. 60).
Fig. 56 Indexing Outer Adjuster
Fig. 57 Outer Adjuster Lock Removal
Fig. 58 Seal Removal and Installation
Fig. 59 Stub Shaft Corrosion
Fig. 60 Manual Shaft Screw
21 - 30
TRANSAXLE
300M
REMOVAL AND INSTALLATION (Continued)
(2) Remove Transmission Range Sensor (TRS) and
manual shift lever.
(3) Remove solenoid pack from valve body (Fig.
61).
(4) Remove valve body stiffener plate (Fig. 62).
(5) Remove
2/4
accumulator
retaining
plate
screws.
(6) Remove thermal valve (Fig. 63).
(7) Remove valve body check balls. Note the loca-
tion of valve body check balls (Fig. 64).
(8) Remove dual retainer plate from valve body.
Use special tool 6301 to remove plate (Fig. 65).
(9) Tag all springs, as they are removed, for reas-
sembly identification (Fig. 66).
(10) Cleanliness through entire disassembly and
assembly of the valve body cannot be overempha-
sized. When disassembling, each part should be
washed in a suitable solvent, then dried by com-
pressed air. Do not wipe parts with shop towels.
All mating surfaces in the valve body are accurately
machined; therefore, careful handling of all parts
must be exercised to avoid nicks or burrs.
(11) To reassemble, reverse recondition procedure.
TRANSAXLE DISASSEMBLE
Before disassembling transaxle, move the shift
lever clockwise as far as it will go. This should be
one position past the L position. Then remove the
shift lever.
NOTE: Tag all clutch pack assemblies, as they are
removed, for reassembly identification.
CAUTION: Do not intermix clutch discs or plates as
the unit might then fail.
Measuring input shaft end play before disassembly
will usually indicate when a #4 thrust plate change
is required. The number 4 thrust plate is located
Fig. 61 Solenoid Pack Location
Fig. 62 Stiffener Plate Location
Fig. 63 Thermal Valve Location
300M
TRANSAXLE
21 - 31
DISASSEMBLY AND ASSEMBLY (Continued)
behind the overdrive clutch hub. Attach a dial indi-
cator to transaxle bell housing with its plunger
seated against end of input shaft (Fig. 68). Move
input shaft in and out to obtain end play reading.
End play specifications are .13 to .64 mm (.005 to
.025 inch). Record indicator reading for reference
when reassembling the transaxle.
Remove both speed sensors from transaxle case
(Fig. 69).
CAUTION: Do not handle the valve body by the
manual shaft. Damage could result.
NOTE: For valve body recondition procedure, refer
to Valve Body in this section.
CAUTION: Tag the springs for the Overdrive Accu-
mulator so that they are not confused with the
springs in the Low/Reverse Accumulator.
Fig. 64 Ball Check Location
Fig. 65 Remove or Install Dual Retainer Plate
21 - 32
TRANSAXLE
300M
DISASSEMBLY AND ASSEMBLY (Continued)
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