Chrysler Pacifica. Manual — part 436
(8) Position outer C/V joint sealing boot into its
retaining groove on outer C/V joint housing. Install
sealing boot to outer C/V joint retaining clamp evenly
on sealing boot.
(9) Clamp sealing boot onto outer C/V joint hous-
ing using Crimper, Special Tool C-4975-A and the fol-
lowing procedure. Place crimping tool C-4975-A over
bridge of clamp (Fig. 35). Tighten nut on crimping
tool C-4975-A until jaws on tool are closed completely
together, face to face (Fig. 36).
(10) Install the halfshaft requiring boot replace-
ment back on the vehicle. (Refer to 3 - DIFFEREN-
TIAL
&
DRIVELINE/HALF
SHAFT
-
INSTALLATION)
Fig. 35 Crimping Tool Installed on Sealing Boot
Clamp
1 - CLAMP
2 - TRIPOD JOINT HOUSING
3 - SPECIAL TOOL C-4975A
4 - SEALING BOOT
Fig. 36 Sealing Boot Retaining Clamp Installed
1 - CLAMP
2 - TRIPOD HOUSING
3 - SPECIAL TOOL C-4975A
4 - JAWS OF SPECIAL TOOL C-4975A MUST BE CLOSED
COMPLETELY TOGETHER HERE
5 - SEALING BOOT
CS
HALF SHAFT - FRONT
3 - 13
CV BOOT - OUTER (Continued)
HALF SHAFT - REAR
TABLE OF CONTENTS
page
page
HALF SHAFT - REAR
. . . . . . . . . . . . . . . . . . . . . . . . . 14
DIAGNOSIS AND TESTING - HALF SHAFT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
. . . . . . . . . . . . . . . . . . . . . . . . . 16
SPECIFICATIONS - HALF SHAFT - REAR
. . . . . . . . . . . . . . . . . . . . . . . 17
CV BOOT - INNER
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
. . . . . . . . . . . . . . . . . . . . . . . . . 18
CV BOOT - OUTER
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
. . . . . . . . . . . . . . . . . . . . . . . . . 22
HALF SHAFT - REAR
DESCRIPTION
The inner joints of both half shaft assemblies are
tripod joints. The outer joints of both assemblies are
Rzeppa Joints. The tripod joints are true constant
velocity (CV) joint assemblies, which allow for the
changes in half shaft length through the jounce and
rebound travel of the rear suspension.
The inner tripod joint of both half shafts is splined
into the rear differential assembly and retained by a
snap ring. The outer CV joint has a stub shaft that is
splined into the wheel hub and retained by a steel
hub nut.
DIAGNOSIS AND TESTING - HALF SHAFT
VEHICLE INSPECTION
(1) Check for grease in the vicinity of the inboard tri-
pod joint and outboard CV joint; this is a sign of inner
or outer joint seal boot or seal boot clamp damage.
NOISE AND/OR VIBRATION IN TURNS
A clicking noise and/or a vibration in turns could
be caused by one of the following conditions:
• Damaged outer CV or inner tripod joint seal
boot or seal boot clamps. This will result in the loss
and/or contamination of the joint grease, resulting in
inadequate lubrication of the joint.
• Noise may also be caused by another component
of the vehicle coming in contact with the half shafts.
CLUNKING NOISE DURING ACCELERATION
This noise may be a result of one of the following
conditions:
• A torn seal boot on the inner or outer joint of the
half shaft assembly.
• A loose or missing clamp on the inner or outer
joint of the half shaft assembly.
• A damaged or worn half shaft CV joint.
CLICKING/POPPING NOISE DURING SHIFT (R-to-D
or D-to-R)
This noise may be caused by a lack of lubrication
at halfshaft-to-hub splines and abutment face.
SHUDDER OR VIBRATION DURING ACCELERATION
This problem could be a result of:
• A worn or damaged half shaft inner tripod joint.
• A sticking tripod joint spider assembly (inner tri-
pod joint only).
• Improper wheel alignment. (Refer to 2 - SUS-
PENSION/WHEEL
ALIGNMENT
-
STANDARD
PROCEDURE)
VIBRATION AT HIGHWAY SPEEDS
This problem could be a result of:
• Foreign material (mud, etc.) packed on the back-
side of the wheel(s).
• Out of balance tires or wheels. (Refer to 22 -
TIRES/WHEELS - STANDARD PROCEDURE)
• Improper tire and/or wheel runout. (Refer to 22 -
TIRES/WHEELS - DIAGNOSIS AND TESTING)
REMOVAL
NOTE:
Rear
suspension
and
drivetrain
design
require this procedure to be performed on a “drive-
on” hoist, as the front and rear suspension needs
to be compressed to ride height to facilitate rear
halfshaft removal.
(1) Place vehicle on drive-on hoist in Park.
(2) Remove rear wheel center cap.
(3) Remove cotter pin, nut lock, and spring washer
(Fig. 1).
(4) Remove hub nut and washer.
(5) Raise vehicle on hoist.
(6) Remove exhaust system center hanger (at pro-
peller shaft bearing/support).
(7) Disconnect exhaust system at rear-most hanger
and lower.
3 - 14
HALF SHAFT - REAR
CS
(8) Lower exhaust system at least 254 mm (10 in.).
Support system with suitable wire or rope.
(9) Index propeller shaft and rear driveline module
flanges using paint mark, chalk, etc. for installation
reference.
(10) Remove three (3) propeller shaft-to-driveline
module bolts. Do not attempt to disconnect shaft
from module, as it will be disconnected upon lower-
ing driveline module.
(11) Support driveline module with transmission
jack (or equivalent) (Fig. 2).
(12) Using suitable screwdriver, partially dislodge
halfshaft (side being removed) from differential.
Install Tool 9099 to protect seal upon disassembly
(Fig. 3).
(13) Remove three (3) rear driveline module-to-
crossmember bolts (Fig. 4) (Fig. 5).
(14) Lower driveline module assembly just enough
to facilitate removal of shaft from differential. Make
sure Tool 9099 engages seal.
(15) Disconnect propeller shaft from driveline mod-
ule and secure to exhaust system (Fig. 6).
Fig. 1 Cotter Pin, Nut Lock, And Spring Washer
1 - HUB NUT
2 - NUT LOCK
3 - COTTER PIN
4 - SPRING WASHER
Fig. 2 Support Module with Jack
1 - DRIVELINE MODULE
2 - TRANSMISSION JACK
Fig. 3 Install Seal Protector
1 - HALFSHAFT
2 - SEAL PROTECTOR
Fig. 4 Module Mounting Bolt
1 - BOLT
2 - DRIVELINE MODULE
CS
HALF SHAFT - REAR
3 - 15
HALF SHAFT - REAR (Continued)
CAUTION: Do not allow the propeller shaft to hang
from the vehicle unsupported. Damage may occur
to the joint, boot, and center bearing from over-an-
gulation.
(16) Remove halfshaft from hub/bearing assembly.
INSTALLATION
(1) Install
halfshaft
to
hub/bearing
assembly.
Install hub nut and washer but do not tighten at this
time.
(2) Using Tool 9099, install halfshaft to differential
assembly (Fig. 7).
(3) Index and install propeller shaft to driveline
module flange. Install, but do not tighten, three (3)
propeller shaft-to-driveline module bolts.
(4) Raise driveline module into position. Install
and torque module-to-cradle bolts to 102 N·m (75 ft.
lbs.) (Fig. 8) (Fig. 9).
(5) Torque propeller shaft-to-driveline module bolts
to 54 N·m (40 ft.lbs.)
Fig. 5 Module Mounting Bolts
1 - BOLT (2)
2 - DRIVELINE MODULE
Fig. 6 Secure Propeller Shaft to Exhaust
1 - PROPELLER SHAFT
2 - EXHAUST SYSTEM
3 - STRAP
Fig. 7 Install Seal Protector
1 - HALFSHAFT
2 - SEAL PROTECTOR
Fig. 8 Module Mounting Bolt
1 - BOLT
2 - DRIVELINE MODULE
3 - 16
HALF SHAFT - REAR
CS
HALF SHAFT - REAR (Continued)
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