2002 CHRYSLER TOWN AND COUNTRY electrical

The hoisting points are identified by S.A.E.
inverted triangle hoisting symbols (Fig. 5). The front
hoisting points are at the bottom of the font rail
below the hoisting symbol approximately 250 mm
behind the front suspension crossmember. When
using outboard lift hoists, verify that the hoist lift
pads have been properly adjusted to eliminate con-
tact between the hoist arm and the down standing
flange on the sill. The rear hoisting points are the
leaf spring front mounting brackets. The hoist pad
must be positioned to pick up the flanges on the
bracket, not the leaf spring.
When servicing the leaf springs or the leaf spring
mounting brackets, special provisions are required to
support the rear of the vehicle. Position the rear
hoist pads under the horizontal surface on the bot-
tom of the sill, inboard adjacent to the flange and
centered fore/aft between the jacking indicator tabs
on the lower flange.DO NOT HOIST ON THE
FLANGE.Place a soft pad between the hoist and the
painted surface on the sill to avoid scratching the fin-
ish.JUMP STARTING
STANDARD PROCEDURE - JUMP STARTING
WARNING: REVIEW ALL SAFETY PRECAUTIONS
AND WARNINGS. (Refer to 8 - ELECTRICAL/BAT-
TERY SYSTEM/BATTERY - STANDARD PROCE-
DURE).
WARNING: DO NOT JUMP START A FROZEN BAT-
TERY, PERSONAL INJURY CAN RESULT.
WARNING: DO NOT JUMP START WHEN MAINTE-
NANCE FREE BATTERY INDICATOR DOT IS BRIGHT
COLOR.
WARNING: DO NOT ALLOW JUMPER CABLE
CLAMPS TO TOUCH EACH OTHER WHEN CON-
NECTED TO A BOOSTER SOURCE.
WARNING: DO NOT USE OPEN FLAME NEAR BAT-
TERY
WARNING: REMOVE METALLIC JEWELRY WORN
ON HANDS OR WRISTS TO AVOID INJURY BY
ACCIDENTAL ARCING OF BATTERY CURRENT.
WARNING: WHEN USING A HIGH OUTPUT BOOST-
ING DEVICE, DO NOT ALLOW BATTERY VOLTAGE
TO EXCEED 16 VOLTS.
WARNING: REFER TO INSTRUCTIONS PROVIDED
WITH DEVICE BEING USED.
CAUTION: DO NOT ATTEMPT TO PUSH OR TOW
THE VEHICLE TO START IT. THE VEHICLE CANNOT
BE STARTED THIS WAY. PUSHING WITH ANOTHER
VEHICLE MAY DAMAGE THE TRANSAXLE OR THE
REAR OF THE VEHICLE.
(1) Raise hood on disabled vehicle and visually
inspect engine compartment for:
²Battery cable clamp condition, clean if necessary.
²Frozen battery.
²Clear or bright color test indicator, if equipped.
²Generator drive belt condition and tension.
²Fuel fumes or leakage, correct if necessary.
CAUTION: If the cause of starting problem on dis-
abled vehicle is severe, damage to booster vehicle
charging system can result.
Fig. 5 HOISTING AND JACKING POINTS
1- DRIVE ON LIFT
2 - FRAME CONTACT LIFT (SINGLE POST)
2 - CHASSIS LIFT (NON-AXLE DUAL POST)
2 - OUTBOARD LIFT (DUAL POST)
2 - FLOOR JACK
3 - S.A.E. HOISTING SYMBOLS
RSLUBRICATION & MAINTENANCE0-7
HOISTING (Continued)
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(2) When using another vehicle as a booster
source, park the booster vehicle within cable reach.
Turn off all accessories, set the parking brake, place
the automatic transmission in PARK or the manual
transmission in NEUTRAL and turn the ignition
OFF.
(3) On disabled vehicle, place gear selector in park
or neutral and set park brake. Turn off all accesso-
ries.
(4) Connect jumper cables to booster battery. RED
clamp to positive terminal (+). BLACK clamp to neg-
ative terminal (-). DO NOT allow clamps at opposite
end of cables to touch, electrical arc will result.
Review all warnings in this procedure.
(5) On disabled vehicle, connect RED jumper cable
clamp to positive (+) terminal. Connect BLACK
jumper cable clamp to engine ground as close to the
ground cable attaching point as possible (Fig. 6).
(Refer to 8 - ELECTRICAL/BATTERY SYSTEM/BAT-
TERY - STANDARD PROCEDURE).
(6) Start the engine in the vehicle which has the
booster battery, let the engine idle a few minutes,
then start the engine in the vehicle with the dis-
charged battery.
CAUTION: Do not crank starter motor on disabled
vehicle for more than 15 seconds, starter may over-
heat and could fail.
(7) If engine does not start within 15 seconds, stop
cranking engine and allow starter to cool (15 min-
utes), before cranking again.DISCONNECT CABLE CLAMPS AS FOLLOWS:
²Disconnect BLACK cable clamp from engine
ground on disabled vehicle.
²When using a Booster vehicle, disconnect
BLACK cable clamp from battery negative terminal.
Disconnect RED cable clamp from battery positive
terminal.
²Disconnect RED cable clamp from battery posi-
tive terminal on disabled vehicle.
TOWING
STANDARD PROCEDURE - TOWING
WARNINGS AND CAUTIONS
WARNING: DO NOT ALLOW TOWING ATTACHMENT
DEVICES TO CONTACT THE FUEL TANK OR LINES,
FUEL LEAK CAN RESULT.
DO NOT LIFT OR TOW VEHICLE BY FRONT OR
REAR BUMPER.
DO NOT GO UNDER A LIFTED VEHICLE IF NOT
SUPPORTED PROPERLY ON SAFETY STANDS.
DO NOT ALLOW PASSENGERS TO RIDE IN A
TOWED VEHICLE.
USE A SAFETY CHAIN THAT IS INDEPENDENT
FROM THE TOWING ATTACHMENT DEVICE.
CAUTION: Do not damage brake lines, exhaust sys-
tem, shock absorbers, sway bars, or any other
under vehicle components when attaching towing
device to vehicle.
Do not secure vehicle to towing device by the use
of front or rear suspension or steering components.
Remove or secure loose or protruding objects from
a damaged vehicle before towing.
Refer to state and local rules and regulations before
towing a vehicle.
Do not allow weight of towed vehicle to bear on
lower fascia, air dams, or spoilers.
RECOMMENDED TOWING EQUIPMENT
To avoid damage to bumper fascia and air dams
use:
²FWD vehicles, use of a flat bed towing device or
a wheel lift is recommended (Fig. 7).
²AWD vehicles, a flat bed towing device or a
wheel lift and towing dolly is recommended (Fig. 7).
When using a wheel lift towing device, be sure the
disabled vehicle has at least 100 mm (4 in.) ground
clearance. If minimum ground clearance cannot be
reached, use a towing dolly. If a flat bed device is
used, the approach angle should not exceed 15
degrees.
Fig. 6 JUMPER CABLE CLAMP CONNECTIONS
1 - BATTERY NEGATIVE TERMINAL
2 - POSITIVE JUMPER CABLE
3 - TEST INDICATOR (IF EQUIPPED)
4 - BATTERY POSITIVE TERMINAL
5 - BATTERY
6 - NEGATIVE JUMPER CABLE
0 - 8 LUBRICATION & MAINTENANCERS
JUMP STARTING (Continued)
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SUPPORT PLATE - DRUM BRAKE
REMOVAL.............................64
INSTALLATION.........................64
WHEEL CYLINDERS
REMOVAL.............................65
INSPECTION..........................65
INSTALLATION.........................65
PARKING BRAKE
DESCRIPTION
DESCRIPTION........................65
DESCRIPTION - EXPORT...............66
OPERATION...........................66
STANDARD PROCEDURE
STANDARD PROCEDURE - PARKING
BRAKE AUTOMATIC ADJUSTER TENSION
RELEASE...........................66
STANDARD PROCEDURE - PARKING
BRAKE AUTOMATIC ADJUSTER TENSION
RESET.............................67
CABLES - PARKING BRAKE
REMOVAL
REMOVAL - PARKING BRAKE CABLE
(FRONT)............................67
REMOVAL - PARKING BRAKE CABLE
(INTERMEDIATE)......................68
REMOVAL - PARKING BRAKE CABLE
(RIGHT REAR)........................69
REMOVAL - PARKING BRAKE CABLE (LEFT
REAR)..............................70INSTALLATION
INSTALLATION - PARKING BRAKE CABLE
(FRONT)............................71
INSTALLATION - PARKING BRAKE CABLE
(INTERMEDIATE)......................71
INSTALLATION - PARKING BRAKE CABLE
(RIGHT REAR)........................72
INSTALLATION - PARKING BRAKE CABLE
(LEFT REAR).........................72
ADJUSTMENTS
ADJUSTMENT - PARKING BRAKE CABLES . 72
CABLES - PARKING BRAKE (EXPORT)
REMOVAL - FRONT CABLE...............72
INSTALLATION - FRONT CABLE............72
LEVER - PARKING BRAKE
REMOVAL.............................72
INSTALLATION.........................73
LEVER - PARKING BRAKE (EXPORT)
REMOVAL - PARKING BRAKE LEVER AND
FRONT CABLE.......................74
INSTALLATION - PARKING BRAKE LEVER
AND FRONT CABLE...................75
SHOES - PARKING BRAKE
REMOVAL.............................75
INSTALLATION.........................81
ADJUSTMENTS
ADJUSTMENT - PARKING BRAKE SHOES . . 83
BRAKES - BASE
DESCRIPTION
DESCRIPTION - BASE BRAKES
The base brake system consists of the following
components:
²Brake pedal
²Power brake booster
²Master cylinder
²Brake tubes and hoses
²Proportioning valve (non-ABS vehicles only)
²Disc brakes
²Drum brakes
²Brake lamp switch
²Brake fluid level switch
²Parking brakes
Front disc brakes control the braking of the front
wheels; rear braking is controlled by rear drum
brakes or rear disc brakes depending on options.
The hydraulic brake system is diagonally split on
both the non-antilock braking systems and antilock
braking systems. That means the left front and right
rear brakes are on one hydraulic circuit and the right
front and left rear are on the other.For information on the brake lamp switch, (Refer
to 8 - ELECTRICAL/LAMPS/LIGHTING - EXTERI-
OR/BRAKE LAMP SWITCH - DESCRIPTION)
Vehicles equipped with the optional antilock brake
system (ABS) use a system designated Mark 20e. It
is available with or without traction control. This
system shares most base brake hardware used on
vehicles without ABS. ABS components are described
in detail in ANTILOCK BRAKE SYSTEM.
DESCRIPTION - BASE BRAKES (EXPORT)
Four-Wheel Disc Antilock Brakes are standard on
all models.
OPERATION - BASE BRAKES
When a vehicle needs to be stopped, the driver
applies the brake pedal. The brake pedal pushes the
input rod of the power brake booster into the booster.
The booster uses vacuum to ease pedal effort as force
is transferred through the booster to the master cyl-
inder. The booster's output rod pushes in the master
cylinder's primary and secondary pistons applying
hydraulic pressure through the chassis brake tubes
to the brakes at each tire and wheel assembly.
The parking brakes are foot-operated. When
applied, the parking brake lever pulls on cables that
actuate brake shoes at each rear wheel. These shoes
RSBRAKES - BASE5-3
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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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ing pedal adjustment, the APM will monitor pedal
position sensor voltage. If the APM does not detect
expected voltage change within 3 seconds, it will cut
power to the adjustable pedal motor.
An optional memory feature is available. This
allows storing of one or two preferred pedal positions
in the APS. A preferred position can be stored and
recalled using the door-mounted switches. A stored
pedal position can be recalled (but not stored) using
the Remote Keyless Entry (RKE) if equipped with
the memory feature.
DIAGNOSIS AND TESTING - ADJUSTABLE
PEDAL SYSTEM
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. 62).(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. 62).
(7) Remove screws securing instrument panel
lower left reinforcement in place, then remove rein-
forcement (Fig. 63).
(8) Remove brake lamp switch. Discard the origi-
nal switch; it must not be reused (Refer to 8 - ELEC-
TRICAL/LAMPS/LIGHTING - EXTERIOR/BRAKE
LAMP SWITCH - REMOVAL)
(9) Remove screws fastening upper and lower
steering column shrouds to steering column (Fig. 64).
(10) Remove the lower shroud with adjustable
pedal switch; disconnect switch wiring connector
along left side of column as shroud is removed (Fig.
65).
(11) Disconnect traction control off switch wiring
connector; Remove upper shroud with traction con-
trol off switch.
(12) Disconnect wiring harness connectors (as
equipped) from clockspring, multi-function switch,
halo lamp, SKIM module, ignition switch and BTSI
solenoid (Fig. 65).
(13) Disconnect column wiring harness routing clip
from column.
Fig. 62 Lower Steering Column Cover And
Reinforcement
1 - INSTRUMENT PANEL
2 - REINFORCEMENT PLATE
3 - LOWER STEERING COLUMN COVER/KNEE BLOCKER
Fig. 63 Instrument Panel Lower Left Reinforcement
1 - INSTRUMENT PANEL LOWER REINFORCEMENT
2 - STEERING WHEEL
3 - LOWER LEFT REINFORCEMENT
RSBRAKES - BASE5-43
PEDAL - ADJUSTABLE (Continued)
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(4) Tighten four booster mounting nuts and two
pedal bracket upper mounting bolts to 28 N´m (21 ft.
lbs.) torque.
(5) Install accelerator cable to pedal; install cable
retainer at accelerator pedal.
(6) Install booster input rod on brake pedal pin
and install a NEW retaining clip (Fig. 72).
(7) Install wiring harness in clips along pedal
bracket, then connect harness to pedal wiring har-
ness connector (Fig. 69).
(8) Install brake lamp switch bracket on pedal
assembly (Fig. 69). Tighten mounting nuts to 6 N´m
(50 in. lbs.) torque.(9) Install dash seal silencer shell over steering
column intermediate shaft and fasten in place (Fig.
68).
(10) Install the steering column on the mounting
studs. Install the two upper and two lower mounting
nuts. Tighten the upper, then lower mounting nuts to
12 N´m (105 in. lbs.) torque.
(11) Install the column shaft coupling onto the
intermediate shaft and install the pinch bolt (steer-
ing column should still be locked position it was
placed in during removal). Make sure the rounded
side of the intermediate shaft is matched to the cur-
vature of the coupling. Tighten the pinch bolt to 28
N´m (250 in. lbs.).
(12) Attach shift cable housing to bracket on col-
umn.
(13) Connect shift cable end to shift lever mecha-
nism pin (Fig. 66).
(14) Connect PRNDL cable to end of shift lever
mechanism pin and column bracket (Fig. 66).
(15) Connect column wiring harness connectors to
SKIM (if equipped), BTSI solenoid, ignition switch,
halo lamp, multi-function switch, and clockspring.
(16) Install the upper shroud (Refer to 19 -
STEERING/COLUMN/LOWER SHROUD - INSTAL-
LATION).
(17) If equipped, connect traction control off switch
wiring connector.
(18) Install upper shroud (with traction control off
switch if equipped) (Fig. 64).
(19) Connect adjustable pedal switch wiring con-
nector along left side of column (Fig. 65).
(20) Install the lower shroud with adjustable pedal
switch. Install screws fastening steering column
shrouds to steering column (Fig. 64).
CAUTION: Do not reuse the original brake lamp
switch. The switch can only be adjusted once. That
is during initial installation of the switch. If the
switch is not adjusted properly or has been
removed for some service, a new switch must be
installed and adjusted.
(21) Install and adjust NEW brake lamp switch.
(Refer to 8 - ELECTRICAL/LAMPS/LIGHTING -
EXTERIOR/BRAKE LAMP SWITCH - INSTALLA-
TION)
(22) Install instrument panel lower left reinforce-
ment (Fig. 63).
(23) Attach hood release to lower left reinforce-
ment.
(24) Install knee blocker reinforcement plate (Fig.
62).
(25) Connect parking brake release link to release
handle.
(26) Install data link diagnostic connector to
mounting hole in reinforcement plate.
Fig. 71 Booster Mounting (Typical)
1 - DASH BRACKET
2 - POWER BRAKE BOOSTER
3 - BRAKE PEDAL ASSEMBLY
Fig. 72 Retaining Pin Installed On Brake Pedal Pin
1 - BRAKE PEDAL
2 - RETAINING CLIP
3 - BOOSTER INPUT ROD
5 - 46 BRAKES - BASERS
PEDAL - ADJUSTABLE (Continued)
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the brake pedal torque shaft pin where it contacts
the brake pedal link.
CAUTION: When installing the power brake booster
input rod on the brake pedal torque shaft pin, do
not reuse the old retaining clip.
(6) Install booster input rod on brake pedal torque
shaft pin and install a NEW retaining clip (Fig. 73).
CAUTION: When installing the brake pedal link on
the brake pedal torque shaft pin, do not reuse the
old retaining clip.
(7) Connect the brake pedal link to the torque
shaft. Install a NEW retaining clip at the torque
shaft end of the brake pedal-to-torque shaft link.
(8) Install the HVAC housing. (Refer to 24 - HEAT-
ING & AIR CONDITIONING/DISTRIBUTION/HVAC
HOUSING - INSTALLATION)
(9) Install the instrument panel. (Refer to 23 -
BODY/INSTRUMENT PANEL/INSTRUMENT
PANEL ASSEMBLY - INSTALLATION)CAUTION: Do not reuse the original brake lamp
switch. The switch can only be adjusted once. That
is during initial installation of the switch. If the
switch is not adjusted properly or has been
removed for some service, a new switch must be
installed and adjusted.
(10) Remove and replace the brake lamp switch
with a NEW switch. (Refer to 8 - ELECTRICAL/
LAMPS/LIGHTING - EXTERIOR/BRAKE LAMP
SWITCH - REMOVAL), (Refer to 8 - ELECTRICAL/
LAMPS/LIGHTING - EXTERIOR/BRAKE LAMP
SWITCH - INSTALLATION)
(11) Road test vehicle to ensure proper operation of
the brakes.
POWER BRAKE BOOSTER
DESCRIPTION
The power brake booster mounts on the engine
compartment side of the dash panel. It is connected
to the brake pedal by the input (push) rod (Fig. 75).
The master cylinder is bolted to the front of the
booster. A vacuum line connects the power brake
booster to the intake manifold.
Fig. 74 BOOSTER, TORQUE SHAFT AND PEDAL
MOUNTING
1 - PEDAL MOUNTING NUT
2 - BRAKE PEDAL ASSEMBLY
3 - PEDAL MOUNTING NUT
4 - PEDAL TORQUE SHAFT
5 - BOOSTER MOUNTING NUT
6 - BOOSTER BRACKET
7 - POWER BRAKE BOOSTER
8 - BOOSTER BRACKET MOUNTING NUT
Fig. 75 Power Brake Booster (Typical)
1 - VACUUM CHECK VALVE
2 - POWER BRAKE BOOSTER ASSEMBLY
3 - INPUT ROD
4 - POWER BOOSTER ASSEMBLY TO DASH PANEL MOUNTING
STUDS (4)
5 - MASTER CYLINDER MOUNTING STUDS (2)
6 - OUTPUT ROD
5 - 48 BRAKES - BASERS
PEDAL TORQUE SHAFT - RHD (Continued)
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(4) Using vacuum line pliers, close off the vacuum
supply hose near the booster, but before the vacuum
gauge, then observe the vacuum gauge.
If the vacuum drop exceeds 1.0 inch Hg (3.3 kPa)
in one minute, repeat the above steps to confirm the
reading. The vacuum loss should be less than 1.0
inch Hg in one minute time span. If the loss is more
than 1.0 inch Hg, replace the power brake booster. If
it is not, continue on with this test.
(5) Remove the pliers from the hose temporarily.
(6) Apply light effort (approximately 15 lbs. of
force) to the brake pedal and hold the pedal steady.
Do not move the pedal once the pressure is applied
or the test results may vary.
(7) Have an assistant reattach the vacuum line
pliers to the vacuum supply hose.
(8) Allow 5 seconds for stabilization, then observe
the vacuum gauge.
If the vacuum drop exceeds 3.0 inches Hg (10 kPa)
in 15 seconds, repeat the above steps to confirm the
reading. The vacuum loss should be less than 3.0
inches Hg in 15 seconds time span. If the loss is
more than 3.0 inches Hg, replace the power brake
booster. If it is not, the booster is not defective.
(9) Remove the pliers and vacuum gauge.
REMOVAL
REMOVAL - LHD
CAUTION: Reserve vacuum in power brake booster
must be pumped down (removed) before removing
master cylinder from booster. This is necessary to
prevent booster from sucking in any contamination
as master cylinder is removed. This can be done
simply by pumping the brake pedal, with the vehi-
cle's engine not running, until a firm feeling brake
pedal is achieved.
(1) With engine not running, pump the brake
pedal until a firm pedal is achieved (4-5 strokes).
(2) Remove negative battery cable terminal from
battery.
(3) Remove positive battery cable terminal from
battery.
(4) Remove battery thermal guard shield.
(5) Remove battery clamp, nut and battery from
the battery tray.
(6) Remove screw securing engine coolant filler
tube to battery tray.
(7) If the vehicle is equipped with speed control,
disconnect the vacuum hose at the vacuum tank built
into the battery tray.
(8) Remove the two nuts and one bolt securing bat-
tery tray in place. Remove battery tray.
(9) If vehicle is equipped with speed control:(a) Disconnect wiring harness connector from
the speed control servo.
(b) Remove the two servo mounting nuts.
(c) Lay speed control servo off to the side, out of
the way.
(10) Remove the wiper module (unit). (Refer to 8 -
ELECTRICAL/WIPERS/WASHERS/WIPER MOD-
ULE - REMOVAL)
(11) Disconnect wiring harness connector from
brake fluid level switch in master cylinder fluid res-
ervoir (Fig. 77).
CAUTION: Before removing the master cylinder
from the power brake vacuum booster, the master
cylinder and vacuum booster must be thoroughly
cleaned. This must be done to prevent dirt particles
from falling into the power brake vacuum booster.
(12) Clean area where master cylinder assembly
attaches to power brake booster. Use only a solvent
such as MopartBrake Parts Cleaner or equivalent.
(13) Disconnect primary and secondary brake
tubes from ABS integrated control unit or non-ABS
junction block (Fig. 78). Install sealing plugs in the
now open brake tube ports and install caps on ends
of tubes.
NOTE: It is not necessary to remove the brake
tubes from the master cylinder when removing the
master cylinder from the vacuum booster.
(14) Remove two nuts attaching master cylinder to
power brake booster (Fig. 78).
Fig. 77 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
5 - 50 BRAKES - BASERS
POWER BRAKE BOOSTER (Continued)
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