1993 CHEVROLET DYNASTY torque

torque. When installing guide pins, use extreme
caution not to cross the threads. (11) Clean all foreign matter from the threads of the
stub axle (Fig. 17). Install the washer and hub nut (Fig.
17) onto the threads of the stub axle and tighten nut. (12) With brakes applied, tighten front hub nut to
(244 N Im) 180 ft. lbs. torque (Fig. 18).
(13) Install spring washer, nut lock, and new cot-
ter pin. Wrap cotter pin prongs tightly around nut
lock (Fig. 19). Install wheel and tire assembly. Tighten wheel
nuts to 129 N Im (95 ft. lbs.) torque.
Fig. 15 Install Tie Rod End
Fig. 16 Installing Family Caliper
Fig. 17 Install Washer and Hub Nut
Fig. 18 Tighten Hub Nut
Fig. 19 Install Spring Washer, Nut Lock, & Cotter
Pin
Fig. 14 Tighten Clamp Bolt
2 - 24 SUSPENSION AND DRIVESHAFTS Ä

(1) Hold inner joint assembly at housing (Figs. 11
and 12) while aligning and guiding the inner joint
spline into the transaxle or intermediate shaft assem-
bly. On Equal Length System vehicles only, be
sure that the rubber washer seal is in place on
the right inner C/V joint (Fig. 1).
CAUTION: Seal/Wear Sleeve Lubrication During any
service procedures where knuckle and driveshaft are
separated. Thoroughly clean seal and wear sleeve
with suitable solvent (solvent must not touch boot)
and lubricate both components prior to installing
driveshaft. Lubricate wear sleeve and seal with Mopar
Multi-Purpose Lubricant, or equivalent.
Apply on the full circumference of the Wear Sleeve a
bead of lubricant that is 6 mm (1/4 in.) wide to seal
contact area (Fig. 13). Fill the seal lip to housing cavity
on bearing seal with lubricant. Lubricant is to be
applied around complete circumference of the seal, and
seal lip should be wet with lubricant (Fig. 13). Use
Mopar Multi-Purpose Lubricant or equivalent for lu-
brication of the Wear Sleeve and Bearing Seal. (2) Push knuckle (hub) assembly out and install
splined outer C/V joint shaft in hub (Fig. 14). CAUTION: Steering knuckle clamp bolt shown in
(Figs. 14 and 15) is Prevailing Torque Type, original
or equivalent bolt must be installed during assem-
bly.
(3) Install knuckle assembly on ball joint stud
(Fig. 15). (4) Install and tighten clamp bolt to 95 N Im (70 ft.
lbs.) torque (Fig. 16). (5) Install speedometer pinion (Fig. 17).
(6) Fill differential with proper lubricant (see Lu-
brication and Maintenance Group 0). (7) Install hub nut assembly.
(8) If after installing the driveshaft assembly,the
inboard boot appears collapsed or deformed. Vent
the inner boot by inserting, a round tipped small di-
ameter rod between the boot and shaft. If necessary,
massage the boot to remove all puckers being careful
Fig. 13 Seal & Wear Sleeve Lubrication
Fig. 14 Install Outer Shaft into Hub
Fig. 11 Removing Driveshaft Assembly Equal Length
Fig. 12 Installing Inner Shaft into Transaxle
Ä SUSPENSION AND DRIVESHAFTS 2 - 29

not to allow dirt to enter or grease to leave the boot
cavity. The clamp must be removed and discarded be-
fore the rod can be inserted. After venting, install a
new Service Clamp. (See Boots Install section at the
end of this group for details).
HUB NUT INSTALL
The front wheel hub nuts use a lock and cotter pin
to maintain proper wheel bearing preload and pre-
vent the nut from backing off. Install the assembly
as follows: (1) Install washer and hub nut after cleaning for-
eign matter from threads (Fig. 18). (2) With brakes applied, tighten hub nut to 245
N Im (180 ft. lbs.) torque (Fig. 19).
(3) Install lock, spring washer and newcotter pin. Wrap cotter pin prongs tightly around nut lock
(Fig. 20). (4) Install wheel and tire assembly. Tighten wheel
nuts to 129 N Im (95 ft. lbs.) torque (Figs. 21).
Fig. 15 Install Knuckle Assembly on Ball Joint Stud
Fig. 16 Tighten Clamp Bolt
Fig. 17 Install Speedometer Pinion
Fig. 18 Install Washer & Hub Nut
Fig. 19 Tighten Hub Nut
2 - 30 SUSPENSION AND DRIVESHAFTS Ä

CAUTION: Do not dent or bend the slinger during
this installation, since it could prevent the bearing
assembly from seating properly. (2) Press bearing assembly into position on the
shaft, there should be a minimum of 1 mm (1/32 in.)
clearance between slinger and bearing assembly
when properly installed.
CAUTION: Apply pressure only to the inner race of
the bearing during this procedure. Or damage may
result which could cause premature bearing failure. (3) Press the outer slinger into place with the
same tool used for bearing installation. The slinger
must bottom out on the shoulder of the shaft.
INTERMEDIATE SHAFT ASSEMBLY
Install
(1) Securely fasten bracket to bearing assembly
and tighten to 28 N Im (21 ft. lbs.) torque (Fig. 7)
(Also see Fig. 1).
(2) Hold the stub yoke while aligning and guiding
the splined end into the transaxle (Fig. 8).
Fig. 4 Disassemble Universal Joint
Fig. 5 Assemble Universal Joint
Fig. 6 Slinger Installation Intermediate Shaft
Fig. 7 2.5L Turbo III Intermediate Driveshaft Bracket
Ä SUSPENSION AND DRIVESHAFTS 2 - 43

(3) Swing the bracket into position on the engine and
loosely install the screws through the slotted holes. (4) Push the intermediate shaft assembly into the
transaxle as far as it can travel. Hold the assembly in
this position and tighten the screws (bracket to engine
block) to 54 N Im (40 ft. lbs.) torque. This will ensure
full seal engagement between the journal on the
intermediate shaft and the seal in the transaxle
extension. (5) Distribute a liberal amount of grease in side
spline and pilot bore on bearing end of intermediate
shaft. Use MOPAR Multi-Purpose Lubricant, or
equivalent. (6) Install speedometer pinion (Fig. 9).
(7) Install right driveshaft. See Driveshaft Assem-
blies Install.
C/V JOINT BOOTS Handling and Cleaning
It is vitally important during anyservice procedures
requiring boot handling. That care be taken not to
puncture or tear the boot by over tightening clamps,
misuse of tool(s) or pinching the boot. Pinching can
occur by rotating the C/V joints (especially the tripod)
beyond normal working angles.
The driveshaft boots are not compatible with oil, gaso-
line, or cleaning solvents. Care must be taken that boots
never come in contact with any of these liquids. The only
acceptable cleaning agent for driveshaft boots is
soap and water. After washing, boot must be thor-
oughly rinsed and dried before reusing.
BOOTS INSPECT
Noticeable amounts of grease on areas adjacent to or
on the exterior of the C/V joint boot. Is the first
indication that a boot is punctured, torn or that a
clamp has loosened. When a C/V joint is removed for
servicing of the joint. The boot should be properly
cleaned and inspected for cracks, tears and scuffed
areas on interior surfaces. If any of these conditions
exist, boot replacement is recommended.
BOOTS INSTALL
THE HARD PLASTIC BOOTS REQUIRE APPROXI-
MATELY 100TIMES THE CLAMPING FORCE OF THE
RUBBER BOOT. THE CLAMPS USED ON THE RUB-
BER BOOTS DO NOT HAVE THE TYPE OF LOAD
CAPACITY REQUIRED. TO SEAL THE HARD PLASTIC
BOOTS AND SHOULD NOT BE USED FOR THIS PUR-
POSE.
Rubber boots appear only on the inner joints of
certain driveshafts.
Fig. 9 Install Speedometer PinionFig. 1 C/V Joint Boot Positioning G.K.N.
Fig. 8 Installing Intermediate Shaft Assembly
2 - 44 SUSPENSION AND DRIVESHAFTS Ä

to the road surface. While being able to twist as one
wheel moves vertically with respect to the other.Roll resistance is provided partly by the axle's re-
sistance to twist. But primarily by a torque tube or
rod (depending on the suspension option called for)
running through the channel and attached rigidly to
its end plates by welding. Because the torque tube/
rod is an integral part of the axle assembly, it cannot
be individually replaced. The spindles are bolted to the axle end (spindle
mounting) plates and can be individually replaced if
required. Rear wheel alignment changes require the
use of shims between the spindle and axle end plates.
SHOCK ABSORBERS
REMOVAL
(1) Raise vehicle, see Hoisting, Group 0.
(2) Support axle and remove wheel and tire assem-
bly. (3) If equipped with air shocks, disconnect air
lines. (4) Remove upper and lower shock absorber fasten-
ers, remove shock absorbers (Fig. 2).
INSPECTION
Inspect for evidence of fluid leakage from upper
end of reservoir. (Actual leakage will be a stream of
fluid running down and leaking off lower end). Slight
seepage is not unusual and will not effect perfor-
mance.
INSTALLATION
(1) Position shock absorber on car. Install upper
and lower fasteners loosely to hold shock absorber in
place. (2) Tighten upper fastener to 61 N Im (45 ft. lbs.)
torque. Connect air line, if so equipped. (3) Install wheel and tire assembly, tighten wheel
stud nuts to 129 N Im (95 ft. lbs.) torque. Lower vehi-
cle to ground. (4) With suspension supporting the weight of the
vehicle. Tighten lower shock absorber fastener to 54
N Im (40 ft. lbs.) torque.
COIL SPRINGS AND JOUNCE BUMPER
REMOVAL
(1) Lift vehicle see hoisting Group 0.
(2) Support axle assembly and remove both lower
shock absorber attaching bolts. (3) Lower axle assembly until spring and spring
upper isolator can be removed (Fig. 3). Do not
stretch brake hose. (4) Remove two screws holding cup to rail (Fig. 1).
Remove assembly.
INSTALLATION
(1) Position cup to rail. Install and tighten attach-
ing bolts to 8 N Im (70 in. lbs.) torque.
(2) Install isolator over jounce bumper and install
spring. (3) Raise axle and loosely assemble both shock ab-
sorber to axle mounting bolts. Remove axle support
and lower vehicle. (4) With suspension supporting the weight of the
vehicle. Tighten both shock absorber attaching bolts
to 61 N Im (45 ft. lbs.) torque.
Fig. 2 Remove/Install Shock Absorber Fasteners
Fig. 3 Coil Spring & Jounce Bumper
Ä SUSPENSION AND DRIVESHAFTS 2 - 51

TRACK BAR-BRACE-BRACKET (FIG. 4)
REMOVAL
(1) Raise vehicle, see Hoisting, Group 0.
(2) Raise rear axle to curb height, with jack stands
(Fig. 5). (3) Remove track bar-to-axle pivot bolt. And re-
move track bar-to-frame pivot bolt. Remove track
bar. (4) Remove diagonal brace-to-underbody stud nut.
Remove diagonal brace. (5) Remove two track bar bracket-to-frame rail
bolts. Remove bracket.
INSTALLATION
(1) Position support bracket on frame rail, install
and tighten (2) bolts to 54 N Im (40 ft. lbs.) torque.
(2) Fit diagonal brace into support bracket and
over underbody stud, tighten stud nut to 75 N Im (55
ft. lbs.) torque. (3) Fit track bar to diagonal brace, loose assemble
pivot bolt with nut and washer on rear side. Attach
the other end of track bar to bracket on axle and
tighten to 95 N Im (70 ft. lbs.) torque. Tighten nut on
track bar-to-frame bolt to 75 N Im (55 ft. lbs.) torque.
PIVOT BUSHING AC AND AY BODY
REMOVE FROM VEHICLE
(1) Raise vehicle (see Hoisting, Group 0). Remove
brake hose mounting bracket screw (Fig. 5). (2) Detach park brake cable at connector and from
hanger bracket (Fig. 5).
Fig. 4 Track Bar Brace Bracket
Fig. 5 Remove Brake Hose Mounting Bracket Screw and Park Brake Cable
2 - 52 SUSPENSION AND DRIVESHAFTS Ä

WARNING: WHEN REMOVING THE REAR AXLE
PIVOT BUSHING ON VEHICLES EQUIPPED WITH EI-
THER REAR COIL SPRINGS OR AIR SUSPENSION.
THE REAR AXLE MUST BE SUPPORTED BY THE
AXLE AND TRAILING ARM TO ENSURE ADEQUATE
SUPPORT OF REAR AXLE.
(3) Support the rear axle assembly at both the axle
channel and the trailing arm (Fig. 6). Then remove
lower shock absorber to rear axle mounting bolt (Fig.
6).
(4) Remove hanger bracket to frame rail bolts (Fig.
7).
(5) Lower axle assembly down enough to remove
pivot bolt and hanger bracket (Fig. 7). Right side
trailing arm shown.
PIVOT BUSHING REMOVAL FROM AXLE AS- SEMBLY
Remove bushing with Remover/Installer Spe-
cial Tool C-4212-L (Press) and 3 piece set, Spe- cial Tool 6122 (Receiver Support Bridge, Bushing
Remover/Installer and Bushing Remover). (1) Install receiver (support) bridge into base of
press C-4212-L and bushing Remover/Installer disc
onto screw. (2) Position assembly with receiver bridge support-
ing trailing arm while turning screw to begin bushing
removal. (3) After bushing has begun to move replace bushing
remover/installer (round disc) with bushing remover
(oval shaped disc). Use this assembly to finish pressing
bushing out of trailing arm (Fig. 8).
PIVOT BUSHING INSTALLATION
(1) Align the bushing with the bushing mounting
hole in the trailing arm bracket (Fig. 9). Tap bushing in
slightly to hold position. (2) Assemble bushing installer Tool onto press screw
and support bridge into press base. Position assem-
bly as shown in (Fig. 10) and press bushing into
arm to depth shown in (Fig. 9). (3) Position hanger bracket on pivot bushing, and
install through bolt, loose assemble nut (Fig. 11). Right
side trailing arm shown. (4) Position hanger to frame rail (a suitable drift will
aid in guiding hanger bracket into position). Install
and tighten screws to 75 N Im (55 ft. lbs.) torque (Fig.
12). Install lower shock absorber mounting bolt, but
do not tighten. (5) Position brake hose mounting bracket to trailing
arm, install and tighten retaining screw to 11 N Im (95
in. lbs.) torque (Fig. 13). (6) Attach park brake cable housing to hanger
bracket and cable to connector.
Fig. 8 Tools Installed To Remove Bushing
Fig. 6 Remove Pivot Bushing Hanger Bracket Bolts
Fig. 7 Remove Hanger Bracket
Ä SUSPENSION AND DRIVESHAFTS 2 - 53