1999 DODGE RAM flat tire
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Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Binding, affecting
performance ............ A .. Require repair or replacement.
Binding, not affecting
performance ............ 2 .. Suggest repair or replacement.
Broken .................. A .. Require repair or replacement.
Burned, affecting
performance ............ A ........... (1) Require repair or
replacement.
Burned, not affecting
performance ............ 2 ........... ( 1) Suggest repair or
replacement.
Cracked, affecting
performance ............ A .. Require repair or replacement.
Cracked, not affecting
performance ............ 1 .. Suggest repair or replacement.
Float saturated ......... A ............ Require replacement.
Leaking ................. A .. Require repair or replacement.
Malfunctioning .......... A ........... ( 2) Require repair or
replacement.
Melted, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Melted, not affecting
performance ............ 2 ........... ( 1) Suggest repair or
replacement.
Missing ................. C ............ Require replacement.
Out of adjustment ....... B .. Require repair or replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Terminal burned, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal corroded,
affecting performance .. A .. Require repair or replacement.
Terminal corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
Won't return ............ A .. Require repair or replacement.
Worn .................... 1 ............ Suggest replacement.
( 1) - Determine cause and correct prior to repair or
replacement of part.
( 2) - Includes inoperative, intermittent operation, or failure to
perform all functions.
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TIRES
Consult the vehicle owner's manual or vehicle placard for
correct size, speed ratings, and inflation pressure of the original
tires.
TIRE INSPECTION
Page 358 of 1691
pads at this time. On models with removable hub, install hub on rotor.
Install wheel and tire assembly. Tighten lug nuts so they are snug,
but DO NOT tighten to final torque specifications.
3) While rotating wheel, tighten adjuster nut sufficiently to
seat bearing. Loosen nut and retighten while still rotating wheel.
Back off adjuster nut to completely release bearing preload torque.
Ensure endplay of .001-.003" (.025-.076 mm). Install lock nut and NEW
cotter pin. If necessary, tighten lock nut slightly to align cotter
pin hole. Install grease cap. Tighten caliper bolts and lug nuts to
specification. See TORQUE SPECIFICATIONS table. To complete
installation, reverse remove procedure.
Removal (Ram Pickup With 8 Studs)
1) Raise and support vehicle. Remove wheel. Remove hub
extension, if equipped. Remove brake caliper. Support caliper aside.
2) On models with removable adapter hub, remove hub from
rotor. On models with one-piece hub and rotor assembly, remove cotter
pin from rotor hub nut. Remove nut. Disconnect ABS wheel speed sensor
wire (if equipped), and remove from frame and steering knuckle. Remove\
bolts securing hub to steering knuckle from inboard side of steering
knuckle. Remove rotor and hub assembly.
Installation
1) Apply anti-seize compound to drive shaft splines. Replace
grease seal in steering knuckle, if necessary. Insert 2 rearmost top
and bottom rotor hub bolts in steering knuckle so they extend through
back of knuckle. Install hub spacer, ensuring flat on space is
positioned to rear. Use chassis grease to hold spacer in position, if
necessary.
NOTE: If equipped with wheel speed sensor, brake shield must be
positioned on hub bearing, and sensor wire must be at top of
knuckle.
2) Align rotor hub with drive shaft and install hub assembly.
Align bolt holes in hub flange with bolts previously installed. Start
nuts on flange bolts sufficiently to hold assembly in place. Install
remaining bolts, and tighten all bolts to specification. See TORQUE
SPECIFICATIONS table.
3) Install washer and hub nut. Tighten nut securely. Install
NEW cotter pin. Install grease cap. Install caliper. Tighten caliper
bolts and lug nuts to specification. See TORQUE SPECIFICATIONS table.
To complete installation, reverse remove procedure.
REAR BRAKE SHOES
WARNING: Use water or brake cleaner to clean brake parts. DO NOT use
compressed air to remove dirt and dust.
Removal (Dakota & Ram Van)
1) Remove wheel and drum. Note how secondary spring overlaps
primary return spring. Using spring remover, remove brake shoe return
springs. Slide automatic adjuster cable off anchor. Disconnect cable
from adjusting lever.
2) Remove cable, cable guide and anchor plate. See Figs. 3,
4, and 5. Disconnect adjusting lever return spring from lever. Remove
lever and return spring from pivot pin. Remove shoe-to-shoe spring.
Spread shoes, and remove adjustment star wheel.
3) Remove shoe retainers, springs and pins. Remove parking
brake lever from secondary shoe. Remove shoes and parking brake strut
with spring.
Page 458 of 1691
Apply multipurpose lubricant (NLGI grade 2 EP) to "U" joints
and slip joint fittings.
INSPECTION
Abnormal vibration and noise can come from many driveline
sources. Drive shaft vibration/noise increases with vehicle speed
(MPH). A vibration that occurs within a specific speed is not caused
by drive shaft imbalance. Before overhauling driveline, check for
other causes/sources of possible vibration/noise.
TIRES & WHEELS
Check tire inflation and wheel balance. Check for foreign
objects in tread, damaged tread, mismatched tread patterns or
incorrect tire sizes. Check for bent wheels.
CENTER BEARING
Tighten drive shaft center bearing mounting bolts. If bearing
insulator is deteriorated or oil-soaked, or drive shaft can be moved
up/down in support, replace center bearing support assembly.
ENGINE & TRANSMISSION MOUNTS
Tighten mounting bolts. If rubber mounts are deteriorated or
broken, replace as needed.
DRIVE SHAFT(S)
Check drive shaft(s) for missing weights, broken welds, or
for dents affecting balance. Check for undercoating, mud, snow/ice on
drive shaft(s). Clean shafts thoroughly and test drive.
"U" JOINTS
Check for foreign material lodged in joints and flange/yokes.
Check for loose "U" joint-to-flange mounting bolts. Check for worn "U"
joint needle bearings. Check for Reddish-Brown rust-dust around "U"
joint caps. Replace "U" joints if necessary.
ADJUSTMENTS
CHECKING DRIVE SHAFT PHASING
One-Piece Drive Shafts
1) Ensure "U" joint flanges on either end of drive shaft are
in same plane. See Fig. 2. Drive shafts with slip joints between yokes
often have arrows to aid in alignment. If yokes are not in same plane,
disassemble slip joint from drive shaft splines. Install slip joint
back onto drive shaft splines, aligning "U" joint yokes. Test drive.
2) Single tube type drive shaft has slip joint on outside of
"U" joint yoke (at transmission end). If one-piece tube type drive
shaft yokes are out of alignment, the drive shaft is torque-twisted.
Drive shaft must be replaced.
Page 891 of 1691
![DODGE RAM 1999 Service Repair Manual Limited Slip
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Differential Model 248 (4WD) 7.3 Pts. (3](/manual-img/12/56915/w960_56915-890.png "DODGE RAM 1999 Service Repair Manual Limited Slip
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Differential Model 248 (4WD) 7.3 Pts. (3")
Limited Slip
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Differential Model 248 (4WD) 7.3 Pts. (3.4L)
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Model 267 (2WD) 7 Pts. (3.3L)
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Model 267 (4WD) 7.8 Pts. (3.6L)
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Model 286 (2WD) 6.8 Pts. (3.2L)
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Model 286 (4WD) 10.1 Pts. (4.8L)
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Front Axle Model 216 6.8 Pts. (3.6L)
Lubricant
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Model 248 7.6 Pts. (3.6L)
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Transfer Case NV231 HD 2.5 Pts. (1.2L)
Fluid
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Power Take NV021 4.6 Pts. (2.1L)
Off Adapter
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Power Drained 2.7 Pts. (1.3L)
Steering
Fluid
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A/C Charge Capacity 32 Oz. (.9Kg)
Refrigerant
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Refrigerant A/C System Capacity 7.75 Oz. (230ML)
Oil
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Fuel Tank 119" & 139" Wheelbase Vehicles 26 Gal. (98L)
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All Others 35 Gal. (132L)
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(
1) - Capacities are recommended or calculated levels. Always use
dipstick (if available) to measure level.
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WHEEL & TIRE SPECIFICATIONS
TIRE REPLACEMENT
The tires on your new vehicle provide a balance of many
characteristics. They should be inspected regularly for wear and
correct inflation pressure. Chrysler strongly recommends that you use
tires equivalent to the originals in quality and performance when
replacement is needed. Failure to use equivalent replacement tires may
adversely affect the safety, handling and ride of your vehicle. We
recommend that you contact your original equipment tire dealer on any
questions you may have on tire specifications or capability.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS TABLE\
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Lug Nut Ft. Lbs. (N.m)
BR1500 (5 Stud Wheel) ........................... 95 (130)
BR2500 (8 Stud Wheel) ........................... 135 (180)
Page 893 of 1691
CAUTION: Disconnect negative battery cable before servicing any air
bag system, steering column or passenger side dash
component. After any repair, turn ignition key to the ON
position from passenger's side of vehicle in case of
accidental air bag inflation
AIR CONDITIONING SERVICING
WARNING: Avoid breathing R-134a refrigerant and PAG lubricant vapors,
exposure may irritate eyes, nose and throat. To remove
R-134a from system use R-134a recycling equipment that meets
SAE J2210 specifications. If accidental system discharge
occurs, ventilate work area before resuming service.
WARNING: R-134a service equipment or vehicle A/C systems SHOULD NOT
be pressure tested or leak tested with compressed air. Some
mixtures of air/R134a have shown to be combustible at
elevated pressures. These mixtures are dangerous and may
cause fire and/or explosions. See AIR CONDITIONING SERVICE
article in GENERAL INFORMATION section.
AIR CONDITIONING MAINTENANCE
WARNING: NEVER add A/C refrigerant to correct a non-cooling problem
unless pressure gauges are connected to the system by a
certified technician. Lack of cooling may be caused by a
restriction, therefore adding refrigerant can cause a
dangerous pressure rise.
ANTI-LOCK BRAKE SYSTEM
CAUTION: The anti-lock brake system contains electronic equipment that
can be susceptible to interference caused by improperly
installed or high output radio transmitting equipment. Since
this interference could cause the possible loss of the
antilock braking capability, such equipment should be
installed by qualified professionals.
On models equipped with anti-lock brake systems, ALWAYS
observe the following cautions:
* DO NOT attempt to bleed hydraulic system without first
referring to the appropriate ANTI-LOCK BRAKE SYSTEM article
in the BRAKES Section.
* DO NOT mix tire sizes. As long as tires remain close to the
original diameter, increasing the width is acceptable.
Rolling diameter must be identical for all 4 tires. Some
manufacturers recommend tires of the same brand, style and
type. Failure to follow this precaution may cause inaccurate
wheel speed readings.
* Use ONLY recommended brake fluids. DO NOT use silicone brake
fluids in an ABS-equipped vehicle.
AUTOMATIC TRANSAXLE FLUID SERVICE
WARNING: Make certain no fluid is spilled when the transaxle fluid
is inspected. Wipe up any spilled fluid completely.
AXLE FLUID
CAUTION: Axle lubricant should be changed whenever the axle has
Page 1202 of 1691
SEA TS - P O W ER
1999 D odge P ic ku p R 1500
1999 ACCESSORIES & EQUIPMENT
CHRY - Power Seats
Ram Pickup, Ram Van & Ram Wagon
DESCRIPTION & OPERATION
Driver's power seat can be adjusted in 6 different
directions: up, down, forward, back, tilt forward, or tilt rearward.
The power seat system consists of a 6-way switch, motor assembly, seat
adjuster, motor cable, housing and wiring harness.
The power seat system receives battery power through circuit
breaker and a fuse in the Power Distribution Center (PDC). Battery
voltage is available to power seat system at all times. Three
permanent magnet reversible motors are coupled through cables to worm
gear box assemblies located in the seat tracks, providing the various
seat movements.
On Ram Pickup with extended cab (club cab and quad cab),
driver's seat also includes power operated lumbar support. Lumbar
support can be inflated or deflated as needed, using additional
switch. On seats with lumbar support, seat back remains at same
height, while seat cushion raises and lowers. On seats without lumbar
support, entire seat raises and lowers. On all seats, entire seat
moves forward and backward.
TROUBLE SHOOTING
NOTE: Before any testing is attempted, the battery should be fully
charged and all connections and terminals cleaned and
tightened to ensure proper continuity and chassis grounds.
POWER SEAT INOPERATIVE
With dome light on, apply power seat switch in direction of
failure. If dome light dims, power seat may be jamming. Check for
binding or obstructions. If dome light does not dim, check individual
components. See COMPONENT TESTS.
COMPONENT TESTS
HARNESS VOLTAGE TEST
NOTE: This test will determine whether or not voltage is continuous
through body harness to power seat switch.
1) Remove power seat switch from mounting position and
disconnect switch from wiring harness. See POWER SEAT SWITCH under
REMOVAL & INSTALLATION.
2) Connect test light lead to ground terminal (Black wire on
Ram Van and Ram Wagon; Black/Orange wire on Ram Pickup) at power seat
switch harness connector. Using test light, probe power supply wire
(Red/Light Blue wire) at power seat switch harness connector.
3) If test light comes on, power and ground circuits to power
seat switch are good. If test light does not come on, check ground
circuit. See WIRING DIAGRAMS. Repair as necessary. If ground circuit
is okay, check power supply. See CIRCUIT BREAKER. Check ground circuit
for continuity.
Page 1286 of 1691
(1) - Require replacement of units where dents restrict shock
or strut piston rod movement. If dents don't restrict
movement, no service is suggested or required. Especially
critical on mono-tube shocks.
( 2) - This condition can lead to damage of the piston rod,
which, in turn, causes premature piston rod seal wear.
( 3) - Only required if replacing cartridge.
( 4) - CAUTION: If the strut cartridge has been replaced previously,
the oil on the strut housing may be filler oil. The
technician must identify the source of the oil.
( 5) - If noise is isolated to shock or strut, suggest
replacement.
( 6) - Although shocks or struts may have contributed to tire
cupping, an inspection is needed of the entire suspension
system. If the shock or strut is found to be contributing
to the tire cupping, require replacement.
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SPINDLES
SPINDLE INSPECTION \
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Condition Code Procedure
Attaching hardware
broken ................. A ... Require replacement of broken
part.
Attaching hardware
loose .................. A ... Require repair or replacement
of loose part.
Attaching hardware
missing ................ C .. Require replacement of missing
part.
Attaching hardware
threads damaged ........ A ... Require repair or replacement
of part with damaged threads.
Attaching hardware
threads stripped
(threads missing) ...... A ..... Require replacement of part
with stripped threads.
Bent .................... B ............ Require replacement.
Broken .................. A ............ Require replacement.
Race seat area
undersized ............. B ............ Require replacement.
Scored .................. A .. Require repair or replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
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SPRINGS - COIL, LEAF AND TORSION BAR
When springs are replaced, it is suggested, but not required,
that both springs on an axle be replaced to maintain equal height from
side to side and to provide a balanced ride and proper handling.
When variable rate springs are installed in place of
conventional coil springs, they must be installed in axle sets to
ensure proper handling, uniform ride, and proper chassis height.
Erroneous height measurements may result from: improper tire
inflation, non-standard tire or wheel size, and heavy load in vehicle
or trunk.
SPRING (COIL, LEAF AND TORSION BAR) INSPECTION
Page 1304 of 1691
be caused by
faulty alignment ....... A ............. Require alignment.
Part has been changed,
affecting alignment .... A ....... Require alignment check.
Pull, shown to be caused
by faulty alignment .... A ............. Require alignment.
Steering wheel
off-center ............. 2 ............. Suggest alignment.
Tire wear, shown
to be caused by
faulty alignment ....... A ............. Require alignment.
Wander, shown
to be caused by
faulty alignment ....... A ............. Require alignment.
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WHEELS AND TIRES
TIRES
These guidelines do not apply to split rims. Some vehicle
manufacturers restrict replacement of tires to specific brands, types,
or sizes.
WARNING: High pressure temporary compact spare tires should not be
used with any other rims or wheels, nor should standard
tires, snow tires, wheel covers, or trim rings be used
with high pressure compact spare rims or wheels.
Attempting to mount a tire of one diameter on a wheel of
a different diameter or flange type may result in serious
injury or death.
WARNING: Only specially trained persons should dismount or mount
tires. Explosions of tire and wheel assembly can result
from improper mounting, possibly causing serious injury
or death.
WARNING: Consult the vehicle owner's manual or vehicle placard for
correct size, speed rating, designation, and cold
inflation pressure of the original tires. DO NOT exceed
the maximum load or inflation capacity of the tire
specified by the Tire and Rim Association
WARNING: When replacing tires, it is suggested that the
replacement tires match or exceed the OEM speed rating
designation. If tires of different speed rating
designations are mixed on the same vehicle, the tires may
vary in handling characteristics. DO NOT mix different
speed rating designations on the same axle.
WARNING: DO NOT mix radials with non-radial tires on the same
axle, as this may affect vehicle handling and stability.
If radial tires and bias or bias-belted ply tires are
mixed on the same vehicle, the radials must be on the
rear. High-pressure temporary compact spare tires are
exempt from this rule.
WARNING: DO NOT mix size or type (all season, performance, mud and
snow) of tires on the same axle.
TIRE INSPECTION
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