1998 DODGE RAM 1500 torque

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Page 64 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual FRONT - LINK/COIL
TABLE OF CONTENTS
page page
FRONT - LINK/COIL
SPECIFICATIONS
TORQUE CHART......................29
SPECIAL TOOLS
91/4AA ............................30
HUB / BEARING
REMOVAL...........

Page 65 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual DESCRIPTION N´m Ft. Lbs. In. Lbs.
Stabilizer Bar
Frame Bolt61 45 Ð
Stabilizer Link
Lower Control Arm Nut102 75 Ð
Stabilizer Link
Axle Bracket71 52 Ð
Stabilizer Link
Stabilizer Bar Nut38 27 Ð
Hub/

Page 68 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (6) Position the hub spacer (Fig. 8) and brake
shield (Fig. 9) on bolts just installed in knuckle.
NOTE: If the vehicle is equipped with a wheel speed
sensor the brake shield must be positioned on the

Page 72 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual KNUCKLE
REMOVAL
(1) Remove the hub bearing (Refer to 2 - SUSPEN-
SION/FRONT/HUB / BEARING - REMOVAL).
(2) Remove tie-rod or drag link end from the steer-
ing knuckle arm.
(3) Remove the ABS sensor wir

KNUCKLE
REMOVAL
(1) Remove the hub bearing (Refer to 2 - SUSPEN-
SION/FRONT/HUB / BEARING - REMOVAL).
(2) Remove tie-rod or drag link end from the steer-
ing knuckle arm.
(3) Remove the ABS sensor wire and bracket from
knuckle. Refer to Brakes, for proper procedures.
(4) Remove the cotter pin from the upper ball stud
nut. Remove the upper and lower ball stud nuts.
(5) Strike the steering knuckle with a brass ham-
mer to loosen.
(6) Remove knuckle from axle tube yokes.
INSTALLATION
(1) Position the steering knuckle on the ball studs.
(2) Install and tighten lower ball stud nut to 47
N´m (35 ft. lbs.) torque. Do not install cotter pin at
this time.
(3) Install and tighten upper ball stud nut to 94
N´m (70 ft. lbs.) torque. Advance nut to next slot to
line up hole and install new cotter pin.
(4) Retorque lower ball stud nut to 190±217 N´m
(140±160 ft. lbs.) torque. Advance nut to next slot to
line up hole and install new cotter pin.
(5) Install the hub bearing (Refer to 2 - SUSPEN-
SION/FRONT/HUB / BEARING - INSTALLATION).
(6) Install tie-rod or drag link end onto the steer-
ing knuckle arm.
(7) Install the ABS sensor wire and bracket to the
knuckle. Refer to Brakes, for proper procedure.
UPPER SUSPENSION ARM
REMOVAL
REMOVAL - LEFT
(1) Raise and support the vehicle.
(2) Remove the upper suspension arm nut and bolt
at the axle bracket (Fig. 21).
(3) Remove the nut and bolt at the frame rail and
remove the upper suspension arm.
REMOVAL - RIGHT
(1) Raise and support the vehicle.
(2) Disconnect the exhaust system at the mani-
folds.
(3) Disconnect the rubber exhaust mounts at the
muffler.
(4) Support the transmission.
(5) Remove the transmission cross member.
(6) Lower the exhaust system down in order to
gain access to the removal of the upper bolt.(7) Remove the nut and bolt at the frame rail and
remove the upper suspension arm.
(8) Remove the upper suspension arm nut and bolt
at the axle bracket.
(9) Remove the suspension arm from the vehicle.
INSTALLATION
INSTALLATION - LEFT
(1) Position the upper suspension arm at the axle
and frame rail.
(2) Install the bolts and finger tighten the nuts.
(3) Remove the supports and lower the vehicle.
(4) Tighten nut at the axle bracket to 163 N´m
(120 ft. lbs.). Tighten nut at frame bracket to 163
N´m (120 ft. lbs.).
INSTALLATION - RIGHT
(1) Position the upper suspension arm at the axle
and frame rail.
(2) Install the bolts, then finger tighten the nuts.
(3) Reconnect the rubber exhaust mounts at the
muffler.
(4) Reconnect the exhaust at the manifolds.
(5) Install the transmission crossmember.
(6) Remove the supports and lower the vehicle.
(7) Tighten nut at the axle bracket to 163 N´m
(120 ft. lbs.). Tighten nut at frame bracket to 163
N´m (120 ft. lbs.).
Fig. 21 Link/Coil Suspension
1 - STABILIZER BAR
2 - SHOCK ABSORBER
3 - COIL SPRING
4 - UPPER SUSPENSION ARM
5 - LOWER SUSPENSION ARM
6 - TRACK BAR
DRFRONT - LINK/COIL 2 - 37

Page 76 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual REAR
TABLE OF CONTENTS
page page
REAR
DESCRIPTION.........................41
DIAGNOSIS AND TESTING - SPRING AND
SHOCK.............................41
SPECIFICATIONS
TORQUE CHART......................42

REAR
TABLE OF CONTENTS
page page
REAR
DESCRIPTION.........................41
DIAGNOSIS AND TESTING - SPRING AND
SHOCK.............................41
SPECIFICATIONS
TORQUE CHART......................42
BUSHINGS
REMOVAL.............................43
INSTALLATION.........................43
JOUNCE BUMPER
REMOVAL.............................43
INSTALLATION.........................43
AUXILIARY SPRING BUMPERS (3500)
REMOVAL.............................43INSTALLATION.........................43
SHOCK
REMOVAL.............................43
INSTALLATION.........................43
SPRING
DESCRIPTION.........................44
OPERATION...........................44
REMOVAL.............................44
INSTALLATION.........................44
SPRING TIP INSERTS
REMOVAL.............................44
INSTALLATION.........................45
REAR
DESCRIPTION
The rear suspension is comprised of:
²Shock Absorbers
²Jounce Bumpers
²Leaf Springs
²Auxiliary Leaf Spring (3500 series)
²Auxiliary Spring Bumpers (3500 series)
²Drive Axle
CAUTION: A vehicle should always be loaded so
the vehicle weight center-line is located immedi-
ately forward of the rear axle. Correct vehicle load-
ing provides proper front tire-to-road contact. This
results in maximum vehicle handling stability and
safety. Incorrect vehicle weight distribution can
cause excessive tire tread wear, spring fatigue or
failure, and erratic steering.
CAUTION: Suspension components with rubber/ure-
thane bushings (except stabilizer bar) should be
tightened with the vehicle at normal ride height. It is
important to have the springs supporting the weight
of the vehicle when the fasteners are torqued. If
springs are not at their normal ride position, vehicle
ride comfort could be affected and premature bush-
ing wear may occur.
DIAGNOSIS AND TESTING - SPRING AND
SHOCK
A knocking or rattling noise from a shock absorber
may be caused by movement between mounting
bushings and metal brackets or attaching compo-
nents. These noises can usually be stopped by tight-
ening the attaching nuts. If the noise persists,
inspect for damaged and worn bushings, and attach-
ing components. Repair as necessary if any of these
conditions exist.
A squeaking noise from the shock absorber may be
caused by the hydraulic valving and may be intermit-
tent. This condition is not repairable and the shock
absorber must be replaced.
The shock absorbers are not refillable or adjust-
able. If a malfunction occurs, the shock absorber
must be replaced. To test a shock absorber, hold it in
an upright position and force the piston in and out of
the cylinder four or five times. The action throughout
each stroke should be smooth and even.
The spring eye and shock absorber bushings do not
require any type of lubrication. Do not attempt to
stop spring bushing noise by lubricating them.
Grease and mineral oil-base lubricants will deterio-
rate the bushing rubber.
If the vehicle is used for severe, off-road operation,
the springs should be examined periodically. Check
for broken and shifted leafs, loose and missing clips,
and broken center bolts. Refer to Spring and Shock
Absorber Diagnosis chart for additional information.
DRREAR 2 - 41

Page 77 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual SPRING AND SHOCK ABSORBER
CONDITION POSSIBLE CAUSES CORRECTION
SPRING SAGS 1. Broken leaf. 1. Replace spring.
2. Spring fatigue. 2. Replace spring.
SPRING NOISE 1. Loose spring clamp bolts. 1. Tighten

Page 79 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (3) Tighten the upper and lower bolt/nuts Tighten
to 135 N.m (100 ft. lbs.)
(4) Remove the support and lower the vehicle.
SPRING
DESCRIPTION
The rear suspension system uses a multi-leaf
springs and a

(3) Tighten the upper and lower bolt/nuts Tighten
to 135 N.m (100 ft. lbs.)
(4) Remove the support and lower the vehicle.
SPRING
DESCRIPTION
The rear suspension system uses a multi-leaf
springs and a solid drive axle. The forward end of the
springs are mounted to the body rail hangers
through rubber bushings. The rearward end of the
springs are attached to the body by the use of shack-
les. The spring and shackles use rubber bushings.
OPERATION
The springs control ride quality and maintain vehi-
cle ride height. The shackles allow the springs to
change their length as the vehicle moves over various
road conditions.
REMOVAL
(1) Raise and support the vehicle.
(2) Support the axle with a suitable holding fix-
ture.
(3) Remove the nuts, spring clamp bolts and the
plate that attach the spring to the axle (Fig. 4).
(4) Remove the nuts and bolts from the spring
front and rear shackle (Fig. 4).
(5) Remove the spring from the vehicle.
INSTALLATION
(1) Position spring on axle shaft tube so spring
center bolt is inserted into the locating hole in the
axle tube.(2) Align the front of the spring with the bolt hole
in the front bracket. Install the eye pivot bolt and
nut.
(3) Align the rear of the spring into the shackle
and install the bolt and nut.
(4) Tighten the spring front and rear eye pivot bolt
snug do not torque.
(5) Install the spring clamp bolts, plate and the
retaining nuts.
(6) Remove the holding fixture for the rear axle.
(7) Remove the supports and lower the vehicle so
that the weight is being supported by the tires.
(8) Tighten the spring clamp retaining nuts to 149
N´m (110 ft. lbs.).
(9) Tighten the spring front and rear pivot bolt
nuts to 163 N´m (120 ft. lbs.)(LD) or 230 N´m (170 ft.
lbs.)(HD).
SPRING TIP INSERTS
REMOVAL
(1) Raise and support the vehicle.
(2) Remove both rear tireand wheel assemblies
(3) Position a large C-Clamp adjacent to the spring
clinch clip and clamp the leaves of the spring
together
Fig. 3 SHOCK ABSORBER
1 - NUT
2 - AXLE
3 - SHOCK ABSORBER
Fig. 4 REAR SPRING
1 - LEAF SPRING
2 - PLATE
3 - NUTS
4 - FRONT NUT & BOLT
5 - SPRING CLAMP BOLTS
6 - SHACKLES
2 - 44 REARDR
SHOCK (Continued)

Page 83 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual DRIVELINE VIBRATION
Drive Condition Possible Cause Correction
Propeller Shaft Noise 1) Undercoating or other foreign
material on shaft.1) Clean exterior of shaft and wash
with solvent.
2) Loose U-join

DRIVELINE VIBRATION
Drive Condition Possible Cause Correction
Propeller Shaft Noise 1) Undercoating or other foreign
material on shaft.1) Clean exterior of shaft and wash
with solvent.
2) Loose U-joint clamp screws. 2) Install new clamps and screws
and tighten to proper torque.
3) Loose or bent U-joint yoke or
excessive runout.3) Install new yoke.
4) Incorrect driveline angularity. 4) Measure and correct driveline
angles.
5) Rear spring center bolt not in
seat.5) Loosen spring u-bolts and seat
center bolt.
6) Worn U-joint bearings. 6) Install new U-joint.
7) Propeller shaft damaged or out
of balance.7) Installl new propeller shaft.
8) Broken rear spring. 8) Install new rear spring.
9) Excessive runout or unbalanced
condition.9) Re-index propeller shaft, test,
and evaluate.
10) Excessive drive pinion gear
shaft runout.10) Re-index propeller shaft and
evaluate.
11) Excessive axle yoke deflection. 11) Inspect and replace yoke if
necessary.
12) Excessive transfer case runout. 12) Inspect and repair as necessary.
Universal Joint Noise 1) Loose U-joint clamp screws. 1) Install new clamps and screws
and tighten to proper torque.
2) Lack of lubrication. 2) Replace as U-joints as
necessary.
PROPELLER SHAFT BALANCE
If propeller shaft is suspected of being out of bal-
ance, use the following procedure.
NOTE: Indexing propeller shaft 180É relative to the
yoke may eliminate some vibrations.
(1) Raise and support vehicle.
(2) Clean all foreign material from the propeller
shaft and universal joints.
(3) Inspect propeller shaft for missing balance
weights, broken welds and bent areas.If propeller
shaft is bent, it must be replaced.
(4) Inspect universal joints for wear and properly
installed.
(5) Check propeller shaft bolt torques.
(6) Remove wheels and install lug nuts to retain
brake rotors.
(7) Mark and number the shaft six inches from the
pinion yoke end at four positions 90É apart.
(8) Run and accelerate vehicle until vibration
occurs. Note the intensity and speed the vibration
occurred. Stop the engine.(9) Install a screw clamp at position 1 (Fig. 1).
Fig. 1 CLAMP SCREW AT POSITION 1
1 - CLAMP
2 - SCREWDRIVER
3 - 2 PROPELLER SHAFTDR
PROPELLER SHAFT (Continued)

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