1999 DODGE RAM brake pads replacement
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system which DOES NOT affect the rubber parts, the required
service is to flush and fill with the correct brake fluid.
(Code B)
( 2) - This condition may indicate contaminated brake fluid.
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BRAKE FRICTION MATERIAL
See FRICTION MATERIAL .
BRAKE PADS
See FRICTION MATERIAL .
BRAKE PEDALS
BRAKE PEDAL INSPECTION \
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Condition Code Procedure
Bent, affecting
performance ............ A .. Require repair or replacement.
Broken .................. A .. Require repair or replacement.
Pedal pad missing ....... C .... Require replacement of pedal
pad.
Pedal pad worn .......... 1 ............ Suggest replacement.
Pivot bushings worn,
affecting performance .. A .... Require replacement of pivot
bushings.
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BRAKE SHOES
See FRICTION MATERIAL .
BRAKE SHOE HARDWARE
See also SELF-ADJUSTING SYSTEMS .
BRAKE SHOE HARDWARE INSPECTION
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Condition Code Procedure
Broken .................. A ............ Require replacement.
Distorted ............... A ............ Require replacement.
Missing ................. C ............ Require replacement.
Surfaces rust-pitted .... 1 ............ Suggest replacement.
Worn, affecting
performance ............ A ............ Require replacement.
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BRAKE STOPLIGHT SWITCHES
BRAKE STOPLIGHT INSPECTION \
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Condition Code Procedure
Bent .................... B ............ Require replacement.
Broken .................. A ............ Require replacement.
Connector broken ........ A .. Require repair or replacement.
Connector (Weatherpack
type) leaking .......... A .. Require repair or replacement.
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missing ................ C .. Require replacement of missing
parts.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
(1) - Inoperative includes intermittent operation.
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PADS
See FRICTION MATERIAL .
PEDAL TRAVEL SWITCHES
See SWITCHES.
PEDALS
See BRAKE PEDALS.
POWERMASTER
See HYDRO-BOOSTERS .
PUMPS
See ELECTRICAL PUMPS AND MOTORS .
PRESSURE DIFFERENTIAL SWITCHES
See SWITCHES.
PRESSURE SWITCHES
See SWITCHES.
RELAYS
NOTE: Copied from Electrical UIGs
RELAY INSPECTION
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Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Housing broken .......... A ............ Require replacement.
Housing cracked ......... 2 ............ Suggest replacement.
Inoperative ( 1) ......... A ............ Require replacement.
Missing ................. C ............ Require replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned,
affecting performance .. A ........... ( 2) Require repair or
replacement.
Page 361 of 1691
threads. Right side assembly has right-hand threads.
Installation
1) Lubricate and assemble adjustment star wheel. Apply thin
film of multipurpose grease to shoe contact pads on support plate.
Assemble lower shoe-to-shoe spring, adjustment star wheel and both
shoes. Position shoe assembly on support plate.
2) Attach parking brake cable to lever using NEW "U" clip or
"E" clip. Install shoe hold-down pins, springs and retainers. Install
upper shoe-to-shoe spring. Position adjusting lever return spring on
pivot. Install adjusting lever. Route cable, and connect it to
adjuster. Install drum assembly and wheel. Adjust brakes. See REAR
BRAKE SHOES under ADJUSTMENTS.
WHEEL CYLINDERS
Removal & Installation
1) Remove wheel, drum and brake shoes. Inspect boots for
damage and signs of leakage. Disconnect and plug hydraulic brakeline
from wheel cylinder. Remove attaching bolts, and remove cylinder. See
Fig. 5 .
2) Apply silicone sealant to cylinder mounting surface, and
position cylinder on support plate. Start brakeline fitting in wheel
cylinder. Install and tighten mounting bolts. Tighten brakeline
fitting. To complete installation, reverse removal procedure. Fill
brake fluid reservoir, and bleed hydraulic system. See BLEEDING
PROCEDURES under BLEEDING BRAKE SYSTEM.
Fig. 5: Exploded View Of Rear Wheel Cylinder (Typical)
Courtesy of Chrysler Corp.
MASTER CYLINDER & RESERVOIR
NOTE: Manufacturer does not recommend overhaul of master cylinder.
Removal and replacement of reservoir and grommets are the
only recommended service procedures. Replace master cylinder
if faulty.
Page 894 of 1691
been submerged in water. Water can enter through the axle
vent hole and contaminate the lubricant.
BATTERY WARNING
WARNING: When battery is disconnected, vehicles equipped with
computers may lose memory data. When battery power is
restored, driveability problems may exist on some vehicles.
These vehicles may require a relearn procedure.
WARNING: Batteries produce flammable hydrogen gas. Keep flames and
sparks away from the battery or and explosion may occur.
Never smoke when working in the vicinity of the battery.
WARNING: When checking or servicing the battery, disconnect the
negative cable. Be careful not to cause a short circuit by
allowing metal objects to contact the battery posts and the
vehicle at the same time.
REPLACING BLOWN FUSES
CAUTION: Before replacing a blown fuse, remove ignition key, turn off
all lights and accessories to avoid damaging the electrical
system. Be sure to use fuse with the correct indicated
amperage rating. The use of an incorrect amperage rating fuse
may result in a dangerous electrical system overload.
BRAKE PAD WEAR INDICATOR
Indicator will cause a squealing or scraping noise, warning
that brake pads need replacement.
BRAKE HOSES
WARNING: Worn brake hoses can burst and cause brake failure. If
any sign of cracking, scuffing, or worn spots are found,
replace the brake hoses immediately.
BRAKE FLUID
WARNING: The use of incorrect fluid in the brake system may cause
damage to components. DO NOT use any fluid other than DOT-3
brake fluid. DO NOT use reclaimed fluid or fluid that has
been stored in old or open containers. It is essential that
foreign particles and other liquids are kept out of the
brake fluid reservoir.
CATALYTIC CONVERTER
CAUTION: Continued operation of vehicle with a severe malfunction
could cause converter to overheat, resulting in possible
damage to converter and vehicle.
COOLANT
CAUTION: To avoid possible damage to vehicle use only ethylene-glycol
based coolants with a mixture ratio from 50-70% anti-freeze.
DO NOT use 100% anti-freeze as it will cause the formation
of cooling system deposits.
DIESEL FUEL ANTI-FUNGAL ADDITIVES