brakes CHRYSLER CARAVAN 2002 Owner's Manual

(6) Check pedal travel. If pedal travel is excessive
or has not been improved, enough fluid has not
passed through the system to expel all the trapped
air. Be sure to monitor the fluid level in the pressure
bleeder, so it stays at a proper level so air will not
enter the brake system through the master cylinder.
(7) Perform a final adjustment of the rear brake
shoes (when applicable), then test drive vehicle to be
sure brakes are operating correctly and that pedal is
solid.
SPECIFICATIONS
BRAKE FASTENER TORQUE
DESCRIPTION N´mFt.
Lbs.In.
Lbs.
ABS ICU Mounting Bolts To
Bracket11 Ð 9 7
ABS ICU Mounting
Bracket-To-Cradle Bolts28 21 250
ABS CAB-To-HCU Mounting
Screws2Ð17
ABS Wheel Speed Sensor
Head Mounting Bolt - Front13 Ð 115
ABS Wheel Speed Sensor
Head Mounting Bolt - Rear10 Ð 90
Adjustable Pedal Position
Sensor Mounting Screws7.5 66 Ð
Adjustable Pedal Module
Mounting Screws2.0 15 Ð
DESCRIPTION N´mFt.
Lbs.In.
Lbs.
Brake Tube Nuts 17 Ð 145
Brake Hose Intermediate
Bracket Bolt12 Ð 105
Brake Hose-To-Caliper
Mounting Bolt47 35 Ð
Disc Brake Caliper Guide
Pin Bolts35 26 Ð
Disc Brake Caliper Bleeder
Screw15 Ð 125
Drum Brake Wheel Cylinder
Mounting Bolts8Ð75
Drum Brake Wheel Cylinder
Mounting Bleeder screw10 Ð 80
Drum Brake Support Plate
Mounting Bolts130 95 Ð
Junction Block (Non-ABS
Brakes) Mounting Bolts28 21 250
Master Cylinder Mounting
Nuts25 19 225
Power Brake Booster
Mounting Nuts28 21 250
Proportioning Valve
Mounting Bolts54 40 Ð
Proportioning Valve Axle
Bracket Mounting Bolt20 Ð 175
Parking Brake Lever (Pedal)
Mounting Bolts And Nut28 21 250
Wheel Mounting (Lug) Nuts 135 100 Ð
SPECIAL TOOLS
BASE BRAKE SYSTEM
Fig. 3 TOOL 6921 INSTALLED ON MASTER
CYLINDER
1 - SPECIAL TOOL 6921
2 - FLUID RESERVOIR
Tubes, Master Cylinder Bleeding 6920
RSBRAKES - BASE5-9
BRAKES - BASE (Continued)
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BRAKE FLUID LEVEL SWITCH
DESCRIPTION
The brake fluid level switch is located in the brake
fluid reservoir of the master cylinder (Fig. 4).
OPERATION
The purpose of the brake fluid level switch is to
provide the driver with an early warning that the
brake fluid level in the master cylinder fluid reser-
voir has dropped below a normal level. This may
indicate:
²Abnormal loss of brake fluid in the master cyl-
inder fluid reservoir resulting from a leak in the
hydraulic system.
²Brake shoe linings which have worn to a point
requiring replacement.
As the brake fluid drops below the minimum level,
the brake fluid level switch closes to complete the red
BRAKE warning indicator (lamp) circuit. This will
turn on the red BRAKE warning indicator. The mas-
ter cylinder fluid reservoir should be checked and
refilled to the Full mark with DOT 3 brake fluid.If
the brake fluid level has dropped below the add
line in the master cylinder fluid reservoir, the
entire brake hydraulic system should be
checked for evidence of a leak.
REMOVAL
(1) Remove wiring harness connector from brake
fluid reservoir level switch (Fig. 4).
(2) Using fingers, compress the retaining tabs on
the opposite end of brake fluid level switch.
(3) With retaining tabs compressed, grasp the con-
nector end of brake fluid level switch and pull it out
of master cylinder brake fluid reservoir.
INSTALLATION
(1) Insert brake fluid level switch into left side of
brake fluid reservoir. Be sure switch is pushed in
until retaining tabs lock it to brake fluid reservoir.
(2) Connect vehicle wiring harness connector to
brake fluid level switch (Fig. 4).
Tubes, Master Cylinder Bleed 8358
Adapter, Master Cylinder Pressure Bleed Cap 6921
Dial Indicator, C-3339
Gauge, Brake Safe-Set
Handle, Universal C±4171
Installer, Dust Boot C-4689 or C-4842
5 - 10 BRAKES - BASERS
BRAKES - BASE (Continued)
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ADJUSTABLE PEDAL SWITCH
DESCRIPTION
The adjustable pedal switch is mounted on the left
side of the lower steering column shroud (Fig. 5). The
adjustable pedal switch adjusts the adjustable pedal
assembly fore-and-aft. The pedal assembly moves in
the direction the switch is actuated.
DIAGNOSIS AND TESTING - ADJUSTABLE
PEDAL SWITCH
Refer to Appropriate Diagnostic Information.
REMOVAL
NOTE: Before proceeding, review all Steering Col-
umn and Airbag Warnings and Cautions. (Refer to
19 - STEERING/COLUMN - WARNING)(Refer to 8 -
ELECTRICAL/RESTRAINTS - WARNING)
(1) Remove battery ground cable terminal from
battery negative post and isolate.
(2) Under instrument panel, remove silencer panel
below lower steering column cover.
(3) Remove screws securing lower steering column
cover/knee blocker, then remove it (Fig. 6).
(4) Disconnect parking brake release link at
release handle.
(5) Compress tabs on sides of data link diagnostic
connector and remove it from knee blocker reinforce-
ment plate.
(6) Remove screws securing knee blocker reinforce-
ment plate in place, then remove reinforcement plate
(Fig. 6).
(7) Remove screws fastening upper and lower
steering column shrouds to steering column (Fig. 7).
(8) Remove the lower shroud with adjustable pedal
switch; disconnect switch wiring connector along left
side of column as shroud is removed (Fig. 8).
Fig. 4 MASTER CYLINDER AND BOOSTER
1 - POWER BRAKE BOOSTER
2 - BOOSTER IDENTIFICATION LABEL
3 - FLUID LEVEL SWITCH CONNECTOR
4 - PRIMARY BRAKE TUBE NUT
5 - SECONDARY BRAKE TUBE NUT
6 - MASTER CYLINDER
Fig. 5 Adjustable Pedal Switch Location
1 - ADJUSTABLE PEDAL SWITCH
2 - LOWER STEERING COLUMN SHROUD
Fig. 6 Lower Steering Column Cover And
Reinforcement
1 - INSTRUMENT PANEL
2 - REINFORCEMENT PLATE
3 - LOWER STEERING COLUMN COVER/KNEE BLOCKER
RSBRAKES - BASE5-11
BRAKE FLUID LEVEL SWITCH (Continued)
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(9) Depress retainers on rear of adjustable pedal
switch, then remove switch from lower shroud (Fig.
9).
INSTALLATION
(1) Guide adjustable pedal switch wiring through
mounting hole in lower shroud.
(2) Align switch retainers with notches in mount-
ing hole and snap the switch into place (Fig. 9).
(3) Connect adjustable pedal switch wiring connec-
tor along left side of column (Fig. 8).(4) Install the lower shroud with adjustable pedal
switch. Install screws fastening steering column
shrouds to steering column (Fig. 7).
(5) Install knee blocker reinforcement plate (Fig.
6).
(6) Connect parking brake release link to release
handle.
(7) Install data link diagnostic connector to mount-
ing hole in reinforcement plate.
(8) Install lower steering column cover/knee
blocker (Fig. 6).
(9) Install silencer panel below lower steering col-
umn cover/knee blocker.
(10) Connect ground cable to negative post of bat-
tery.
(11) Connect scan tool (DRBIIIt) to data link diag-
nostic connector located below steering column.
(12) Turn ignition key to ON position.
(13) Using scan tool, check for and clear any exist-
ing adjustable pedal fault codes.
(14) Test operation of adjustable pedals, memory
sets and RKE (if equipped). If applicable, reset radio
and clock.
(15) Recheck for any fault codes.
(16) Turn key to OFF and remove scan tool from
vehicle.
PEDAL POSITION SENSOR
DESCRIPTION
The pedal position sensor is part of the adjustable
pedal assembly. It is mounted to the left of the brake
pedal (Fig. 10). It senses the fore and aft position of
the brake pedal.
Fig. 7 Steering Column Shrouds
1 - FIXED SHROUD
2 - UPPER SHROUD
3 - CLOCKSPRING
4 - LOWER SHROUD
5 - STEERING COLUMN
Fig. 8 Pedal Switch Wiring Connector
1 - STEERING COLUMN FIXED SHROUD
2 - BRAKE TRANSMISSION SHIFT INTERLOCK
3 - B.T.S.I. WIRING CONNECTOR
4 - PEDAL SWITCH WIRING CONNECTOR
Fig. 9 Pedal Switch Retainers
1 - LOWER SHROUD INTERIOR
2 - RETAINERS
5 - 12 BRAKES - BASERS
ADJUSTABLE PEDAL SWITCH (Continued)
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DIAGNOSIS AND TESTING - PEDAL POSITION
SENSOR
Refer to Appropriate Diagnostic Information.
REMOVAL
(1) Remove battery ground cable terminal from
battery negative post and isolate.
(2) Under instrument panel, remove silencer panel
below lower steering column cover.
(3) Press release tab to the left (Fig. 11), then
remove bulkhead connector from bracket by pulling it
toward lower steering column cover.(4) Move bulkhead connector toward left side of
vehicle as far as its wires will allow. Do not over-
stress wiring.
(5) Remove two mounting screws securing pedal
position sensor in place (Fig. 12).
(6) Remove pedal position sensor from bracket.
(7) Disconnect wiring connector and remove pedal
position sensor.
INSTALLATION
(1) Connect wiring connector to pedal position sen-
sor.
NOTE: Make sure pin in pedal assembly fits into
slot in sensor carriage when installing sensor.
(2) Place sensor against mounting bracket and into
brake pedal (Fig. 12). Move carriage as necessary to
align slot with pin. Install two mounting screws.
Tighten screws to 7.5 N´m (66 in. lbs.) torque.
(3) Align the bulkhead connector mounting slot
with its bracket and install it, locking it in place.
(4) Install silencer panel below lower steering col-
umn cover.
(5) Connect ground cable to negative post of bat-
tery.
(6) Connect scan tool (DRBIIIt) to data link diag-
nostic connector located below steering column.
(7) Turn ignition key to ON position.
(8) Using scan tool, check for and clear any exist-
ing adjustable pedal fault codes.
(9) Test operation of adjustable pedals, memory
sets (if equipped), and RKE (if equipped). If applica-
ble, reset radio and clock.
(10) Recheck for any fault codes.
Fig. 10 Pedal Position Sensor Location
1 - PEDAL POSITION SENSOR
2 - BRAKE PEDAL
Fig. 11 Bulkhead Connector Release Tab
1 - RELEASE TAB
2 - PEDAL POSITION SENSOR
3 - BULKHEAD CONNECTOR
Fig. 12 Pedal Position Sensor
1 - WIRING CONNECTOR
2 - GEAR BOX
3 - PEDAL POSITION SENSOR
RSBRAKES - BASE5-13
PEDAL POSITION SENSOR (Continued)
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(11) Turn key to OFF and remove scan tool from
vehicle.
(12) Road test the vehicle to ensure proper opera-
tion of the adjustable brake system.
HYDRAULIC/MECHANICAL
DESCRIPTION
DESCRIPTION - DISC BRAKES (FRONT)
Each front disc brake consists of the following com-
ponents:
²Brake Rotor
²Brake Caliper
²Brake Caliper Adapter
²Shoes (Pads)
There are two non-interchangeable front disc brake
systems depending on whether the vehicle is
equipped with rear drum or rear disc brakes. Vehi-
cles with the front disc/rear drum brake combination
utilize a system manufactured by TRW. Vehicles with
front disc/rear disc brakes utilize a system manufac-
tured by Continental Teves.
CAUTION: Components used on the disc/drum
combination brakes are not interchangeable with
the disc/disc combination brakes. The two different
systems must not be mixed. Improper performance,
noise and increased stopping distance can occur.
The TRW front brake caliper is a one piece casting
containing a single 64 mm diameter piston bore (Fig.
13) with a phenolic piston. The caliper mounts to a
caliper adapter using two guide pin bolts that thread
into guide pins slid into the caliper adapter (Fig. 14).
The pins are lubricated and have boots that seal
them in place in the adapter.
The Continental Teves front brake caliper is a one
piece casting containing a single piston 66 mm diam-
eter bore (Fig. 13) with a phenolic piston. The caliper
mounts to a caliper adapter using two guide pin bolts
that thread into the caliper adapter and slide on
bushings mounted in the caliper.
CAUTION: TRW and Continental Teves calipers are
not interchangeable. Each caliper is specifically
designed for the unique brake system. If calipers
are interchanged, improper performance, noise and
increased stopping distance can occur.
The two different brake calipers use different
devices to control rattling. While the TRW brakes use
spring clips that mount at the ends of the shoes in
the adapters, Continental Teves brakes use a clip on
the rear of the inboard pad to hold it to the pistonand a larger clip on the outside of the caliper, holding
it to the adapter (Fig. 15).
All brake caliper adapters mount to the steering
knuckle in the same way using two mounting bolts.
The brake rotors are also different depending on
brake system. The TRW (disc/drum) front brakes uti-
lize an inverted-hat style rotor. This rotor is exter-
nally vented meaning the inner most diameter of the
braking disc vents to the outboard side (or face) of
the rotor (Fig. 16). The Continental Teves (disc/disc)
Fig. 13 FRONT DISC BRAKE CALIPERS
1 - CONTINENTAL TEVES CALIPER (66 mm bore)
2 - TRW CALIPER (64 mm bore)
3 - GUIDE PIN BOLT
4 - GUIDE PIN AND BOOT
5 - CALIPER ADAPTER
6 - GUIDE PIN BOLT
7 - GUIDE PIN BUSHING
8 - CALIPER ADAPTER
Fig. 14 Guide Pins And Boots
1 - PINS
2 - BOOTS
5 - 14 BRAKES - BASERS
PEDAL POSITION SENSOR (Continued)
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front brakes utilize the familiar internally-vented hat
style rotor. Internally-vented refers to the fact that
the inner most diameter of the braking disc vents to
the inboard side of the rotor (Fig. 16).
CAUTION: TRW and Continental Teves brake rotors
are not interchangeable. If brake rotors are inter-
changed, noise and wear problems can result.
DESCRIPTION - DISC BRAKES (REAR)
There are several distinctive features to the rear
disc brakes on this vehicle (Fig. 17). The single pis-
ton, floating caliper rear disc brake system includes a
hub and bearing assembly, adapter, rotor, caliper, and
brake shoes.
This vehicle is equipped with a caliper having a 42
mm (1.65 in.) piston and uses a 15 inch solid non-
vented brake rotor. The brake rotor is described as a
drum-in-hat style because of its dual role as a brak-
ing disc and parking brake drum.
The parking brake system on vehicles equipped
with rear disc brakes consists of a small duo-servo
drum brake mounted to the caliper adapter and uses
the interior of the rear disc brake rotor as a drum
(hat section of drum-in-hat style brake rotor).
The outboard rear disc brake shoes (pads) are side-
oriented. The shoes are marked indicating which side
they belong on.
DESCRIPTION - DISC BRAKES (EXPORT)
All vehicles are equipped with Four-Wheel-Disc
brakes. Both 15º (BRE) and 16º (BR3) disc/disc brake
systems are available. The disc brakes are manufac-
tured by Continental Teves. The BR3 system is stan-
dard equipment on all-wheel drive and all right-hand
drive models. It is optional on other models.
The BR3 system features larger, externally vented
front brake rotors.
Although there are different disc/disc systems, they
are serviced using the same service procedures. Some
specifications differ.
Fig. 15 ANTI-RATTLE DEVICES ON CALIPERS
1 - CONTINENTAL TEVES CALIPER
2 - TRW CALIPER
3 - ANTI-RATTLE CLIP
4 - ANTI-RATTLE CLIP
Fig. 16 Externally and Internally Vented Rotors
(Cross-Sectional View)
1 - EXTERNAL VENTS (TRW)
2 - INTERNAL VENTS (Continetal Teves)
Fig. 17 Rear Disc Brakes
1 - CALIPER
2 - COTTER PIN
3 - ROTOR
4 - NUT RETAINER
5 - OUTER C/V JOINT
RSBRAKES - BASE5-15
HYDRAULIC/MECHANICAL (Continued)
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DESCRIPTION - DRUM BRAKES (REAR)
This vehicle's rear wheel drum brakes are a two-
shoe, internal-expanding type with an automatic
adjuster screw. The automatic adjuster screw is
located directly below the wheel cylinder that is
mounted near the top of the brake assembly (Fig.
18). These and two brake shoes (and attaching parts)
are mounted to a support plate at each rear wheel. A
brake drum covers each brake assembly.
OPERATION
OPERATION - DISC BRAKES (FRONT)
When the brakes are applied, fluid pressure is sent
to each brake caliper. The pressure at the caliper is
exerted equally against the caliper piston. The pres-
sure applied to the piston is transmitted directly to
the inboard brake shoe. This forces the shoe lining
against the inner surface of the brake rotor. At the
same time, fluid pressure within the caliper piston
bore forces the caliper to slide inward on its guide
pins. This action brings the outboard shoe lining into
contact with the outer surface of the brake rotor.
This pressure on both sides of the brake rotor causes
friction, bringing the vehicle to a stop.
When the brake pedal is released, so is the fluid
pressure. The piston seal inside the caliper is
designed to pull the piston back into the bore of the
caliper when the brake pedal is released (Fig. 19).
This action helps maintain the proper brake shoe-to-
rotor clearance.
As disc brake shoe linings wear, master cylinder
reservoir brake fluid level will drop. Adjust as neces-sary. Fluid level should always be checked after
replacing shoes.
OPERATION - DISC BRAKES (REAR)
The rear disc brakes operate similarly to front disc
brakes, however, there are some features that require
different service procedures.
DIAGNOSIS AND TESTING - DRUM BRAKE
AUTOMATIC ADJUSTER
The rear drum brakes on this vehicle automatically
adjust when required during the normal operation of
the vehicle every time the brakes are applied. Use
the following procedure to test the operation of the
automatic adjuster.
Place the vehicle on a hoist with a helper in the
driver's seat to apply the brakes. Remove the access
plug from the adjustment hole in each brake support
plate to provide visual access of the brake adjuster
star wheel.
To eliminate the condition where maximum adjust-
ment of the rear brake shoes does not allow the auto-
matic adjuster to operate when tested, back the star
wheel off approximately 30 notches. It will be neces-
sary to hold the adjuster lever away from the star
wheel to permit this adjustment.
Have the helper apply the brakes. Upon applica-
tion of the brake pedal, the adjuster lever should
move down, turning the adjuster star wheel. Thus, a
definite rotation of the adjuster star wheel can be
observed if the automatic adjuster is working prop-
erly. If one or more adjusters do not function prop-
erly, the respective drum must be removed for
adjuster servicing.
Fig. 18 Drum Brake Assembly (Right Shown)
1 - WHEEL CYLINDER
2 - BRAKE SHOE UPPER RETURN SPRING
3 - AUTOMATIC ADJUSTER LEVER
4 - TENSION CLIP
5 - AUTOMATIC ADJUSTER ASSEMBLY
Fig. 19 Caliper Piston Seal Function For Automatic
Adjustment
1 - PISTON
2 - CYLINDER BORE
3 - PISTON SEAL BRAKE PRESSURE OFF
4 - CALIPER HOUSING
5 - DUST BOOT
6 - PISTON SEAL BRAKE PRESSURE ON
5 - 16 BRAKES - BASERS
HYDRAULIC/MECHANICAL (Continued)
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BRAKE LINES
DESCRIPTION - BRAKE TUBES AND HOSES
The brake tubes are steel with a corrosion-resis-
tant nylon coating applied to the external surfaces.
The flex hoses are made of reinforced rubber with fit-
tings at each end.
The primary and secondary brake tubes leading
from the master cylinder to the ABS ICU Hydraulic
Control Unit (HCU) or the non-ABS junction block
have a special flexible section. This flexible section is
required due to cradle movement while the vehicle is
in motion (The ICU and non-ABS junction block are
mounted to the cradle).If replacement of these
lines is necessary, only the original factory
brake line containing the flexible section must
be used.
OPERATION - BRAKE TUBES AND HOSES
The purpose of the chassis brake tubes and flex
hoses is to transfer the pressurized brake fluid devel-
oped by the master cylinder to the wheel brakes of
the vehicle. The flex hoses are made of rubber to
allow for the movement of the vehicle's suspension.
INSPECTION - BRAKE TUBES AND HOSES
Flexible rubber hose is used at both front brakes
and at the rear axle. Inspection of brake hoses
should be performed whenever the brake system is
serviced and every 7,500 miles or 12 months, which-
ever comes first (every engine oil change). Inspect
hydraulic brake hoses for surface cracking, scuffing,
or worn spots. If the fabric casing of the rubber hose
becomes exposed due to cracks or abrasions in the
rubber hose cover, the hose should be replaced imme-
diately. Eventual deterioration of the hose can take
place with possible burst failure. Faulty installation
can cause twisting, resulting in wheel, tire, or chassis
interference.
The brake tubing should be inspected periodically
for evidence of physical damage or contact with mov-
ing or hot components.
The flexible brake tube sections used on this vehi-
cle in the primary and secondary tubes from the
master cylinder to the ABS hydraulic control unit
connections must also be inspected. This flexible tub-
ing must be inspected for kinks, fraying and contact
with other components or with the body of the vehi-
cle.
BRAKE PADS/SHOES - FRONT
REMOVAL
REMOVAL - FRONT DISC BRAKE SHOES
(DISC/DISC BRAKES)
(1) Raise the vehicle. (Refer to LUBRICATION &
MAINTENANCE/HOISTING - STANDARD PROCE-
DURE).
(2) Remove both front wheel and tire assemblies.
(3) Begin on one side of the vehicle.
(4) Remove the anti-rattle clip from the outboard
side of the caliper and adapter.
(5) Remove the two caliper guide pin bolts.
(6) Remove caliper from caliper adapter and brake
rotor.
CAUTION: Supporting weight of caliper by the flex-
ible brake fluid hose can damage the hose.
(7) Using wire or cord, hang the caliper from the
front strut assembly (Fig. 20). Support the caliper
firmly to prevent weight of caliper from being sup-
ported by the brake fluid hose.
(8) Remove the outboard brake shoe from the cali-
per adapter.
(9) Pull the inboard brake shoe away from the cal-
iper piston until the retaining clip on shoe is free
from the cavity in the caliper piston (Fig. 21).
(10) Repeat the above procedure on other side of
the vehicle.
Fig. 20 Stored Front Disc Brake Caliper
1 - STEERING KNUCKLE
2 - BRAKE FLEX HOSE
3 - CALIPER ASSEMBLY
4 - WIRE HANGER
5 - STRUT ASSEMBLY
RSBRAKES - BASE5-17
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REMOVAL - FRONT DISC BRAKE SHOES
(DISC/DRUM BRAKES)
(1) Raise the vehicle. Refer to HOISTING in
LUBRICATION AND MAINTENANCE.
NOTE: Perform Step 2 through Step 5 on each side
of the vehicle.
(2) Remove the front tire and wheel assembly.
(3) Remove the two brake caliper guide pin bolts
(Fig. 22).(4) Remove the disc brake caliper from the disc
brake adapter and hang out of the way using wire or
a bungee cord. Use care not to overextend the brake
hose when doing this.
(5) Remove the brake shoes from the disc brake
caliper adapter.
CLEANING - DISC BRAKE SHOES
WARNING: DUST AND DIRT ACCUMULATING ON
BRAKE PARTS DURING NORMAL USE MAY CON-
TAIN ASBESTOS FIBERS FROM PRODUCTION OR
AFTERMARKET BRAKE LININGS. BREATHING
EXCESSIVE CONCENTRATIONS OF ASBESTOS
FIBERS CAN CAUSE SERIOUS BODILY HARM.
EXERCISE CARE WHEN SERVICING BRAKE
PARTS. DO NOT SAND OR GRIND BRAKE LINING
UNLESS EQUIPMENT USED IS DESIGNED TO CON-
TAIN THE DUST RESIDUE. DO NOT CLEAN BRAKE
PARTS WITH COMPRESSED AIR OR BY DRY
BRUSHING. CLEANING SHOULD BE DONE BY
DAMPENING THE BRAKE COMPONENTS WITH A
FINE MIST OF WATER, THEN WIPING THE BRAKE
COMPONENTS CLEAN WITH A DAMPENED CLOTH.
DISPOSE OF CLOTH AND ALL RESIDUE CONTAIN-
ING ASBESTOS FIBERS IN AN IMPERMEABLE
CONTAINER WITH THE APPROPRIATE LABEL. FOL-
LOW PRACTICES PRESCRIBED BY THE OCCUPA-
TIONAL SAFETY AND HEALTH ADMINISTRATION
(OSHA) AND THE ENVIRONMENTAL PROTECTION
AGENCY (EPA) FOR THE HANDLING, PROCESSING,
AND DISPOSING OF DUST OR DEBRIS THAT MAY
CONTAIN ASBESTOS FIBERS.
INSPECTION - DISC BRAKE SHOES
Visually inspect brake shoes (pads) for uneven lin-
ing wear. Also inspect for excessive lining deteriora-
tion. Check the clearance between the tips of the
wear indicators on the shoes (if equipped) and the
brake rotors.
If a visual inspection does not adequately deter-
mine the condition of the lining, a physical check will
be necessary. To check the amount of lining wear,
remove the disc brake shoes from the calipers.
Measure each brake shoe. The combined brake
shoe and its lining material thickness should be mea-
sured at its thinnest point.
²For front disc brake shoes, when a set of brake
shoes are worn to a thickness of approximately 7.95
mm (5/16 inch), they should be replaced.
²For rear disc brake shoes, when a set of brake
shoes are worn to a thickness of approximately 7.0
mm (9/32 inch), they should be replaced.
²Typically, if front shoes are worn out, both fronts
and rears need to be replaced. Make sure to check
rears.
Fig. 21 Removing Inboard Shoe
1 - INBOARD BRAKE SHOE
2 - HANGER WIRE
3 - CALIPER ASSEMBLY
4 - RETAINING CLIP
5 - PISTON
Fig. 22 Brake Caliper Mounting (Typical)
1 - BRAKE HOSE
2 - ADAPTER MOUNTING BOLTS
3 - BANJO BOLT
4 - CALIPER GUIDE PIN BOLTS
5 - 18 BRAKES - BASERS
BRAKE PADS/SHOES - FRONT (Continued)
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