Chrysler Le Baron, Dodge Dynasty, Plymouth Acclaim. Manual — part 356
POWER WINDOWS
CONTENTS
page
page
BENCH REPAIR OF REGULATOR AND MOTOR
CONVENTIONAL REGULATORS
. . . . . . . . . . 5
GEAR AND PINION REPLACEMENT AND
LUBRICATION
. . . . . . . . . . . . . . . . . . . . . . . 3
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . 1
MOTOR REPLACEMENT
. . . . . . . . . . . . . . . . . . . 7
MOTOR REPLACEMENT CONVENTIONAL
REGULATORS
. . . . . . . . . . . . . . . . . . . . . . . 3
MOTOR REPLACEMENT—FLEX DRIVE
REGULATORS
. . . . . . . . . . . . . . . . . . . . . . . . . 5
POWER WINDOW CABLE HOUSING/MOTOR RE-
PLACEMENT—AC and AY BODIES
. . . . . . . . 7
QUARTER WINDOW MOTOR REPLACEMENT—
AJ BODY
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
QUARTER WINDOW REPLACEMENT—
AJ BODY
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
WINDOW LIFT MOTOR TEST
. . . . . . . . . . . . . . 1
WINDOW LIFT SWITCH TEST
. . . . . . . . . . . . . . 1
WIRING VOLTAGE TEST
. . . . . . . . . . . . . . . . . . 1
GENERAL INFORMATION
Front and rear door window lift motors are of the
permanent magnet type. A positive and negative bat-
tery connection to either of the two motor terminals
will cause the motor to rotate in one direction. Re-
versing current through these same two connections
will cause the motor to rotate in the opposite direc-
tion.
Each individual motor is grounded through the
master switch by a black wire attached to the left
cowl panel.
It is necessary that the window be free to slide up
and down in the glass channels or tubes and tracks.
If the window is not free to move up and down, the
window lift motor will not be able to move the glass.
To determine if the glass is free is to disconnect the
regulator from the glass lift plate, and slide the win-
dow up and down by hand. For conventional arm-sec-
tor regulators, after the lift plate is detached from
the glass, it will slide off the regulator drive arm.
Flex-drive regulators may be detached the same way
or by removing one screw holding the flex rack to the
lift plate drive arm.
WIRING VOLTAGE TEST
The following wiring test determines whether or
not voltage is continuous through the body harness
to switch.
After removing switch for testing purposes, care-
fully separate multiple terminal block on wiring har-
ness from switch body. With ignition switch ON
connect one lead of test light to black (or gray) wire
terminal and touch other test light lead to tan wire
terminal. If the test light comes on, the wiring cir-
cuit between the battery and switch is functional. If
light does not come on, check 30 amp main fuse (cir-
cuit breaker) or for a broken wire. For wiring, spe-
cific connector type and location, refer to Group 8W,
Wiring Diagrams.
WINDOW LIFT SWITCH TEST
For switch testing, remove the switch from its
mounting. Using an ohmmeter, refer to Window
Switch Continuity Charts to determine if continuity
is correct. If the results are not obtained, replace the
switch.
AC and AY Bodies are equipped with an Auto-
Down feature. This feature allows the operator to
lower the driver’s window without having to hold the
switch in the down position. The Auto-Down feature
can be activated by pressing the down switch past
the first detent (Stop).
To test the auto-down feature, operate the window
in the normal up and down mode. If the window
works correctly in the normal mode, but not in the
auto-down mode, replace the switch.
To test the window switch (other than Auto-Down
mode), install a known good switch.
WINDOW LIFT MOTOR TEST
(1) Connect positive (+) lead from a test battery to
either of the two motor terminals.
(2) Connect negative (-) lead from test battery to
remaining motor terminal.
(3) The motor should now rotate in one direction to
either move window up or down.
(a) If window happens to already be in full UP
position and motor is connected so as to rotate in
UP direction no movement will be observed.
(b) Likewise, motor connected to DOWN direc-
tion rotation, no movement will be observed if win-
dow is already in full DOWN position.
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8S - 1
WINDOW SWITCH CONTINUITY
8S - 2
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(4) Reverse battery leads (steps 1 and 2 above) and
window should now move. If window does not move,
remove motor. See below for motor removal from ve-
hicle.
(5) If window moved completely up or down, motor
should be reversed one more time (reverse leads from
step 4) to complete a full window travel inspection.
GEAR AND PINION REPLACEMENT AND
LUBRICATION
The window glass and mechanism have been found
to move freely. The window motor works. But the
glass does not move up or down. The motor gear and
pinion will need to be replaced (Fig. 1).
When gear and pinion assembly is replaced in gear
box, lubrication of gear box, gear pinion and seal is
necessary.
In the event there is no lubricant in gear box, fill
with MOPAR multi-mileage lubricant or equivalent.
Apply a liberal amount of lubricant to inside area of
seal marked A as illustrated in Fig. 1 and sealing
surface at center area of gear and pinion coupling.
Also lubricate center gear box shaft and worm gear.
MOTOR REPLACEMENT CONVENTIONAL
REGULATORS
The following procedure describes replacement of a
defective motor without removing window regulator
or detaching any window system components. This
method of motor replacement is not acceptable if any
of window system parts are loosened or removed from
door such as:
• Lift channels
• Up stops
• Tracks and pivot brackets
• Are already loose by deficiency
• Are to be loosened or removed from the door.
Then use method of repair where entire regulator
is removed from door (Fig. 2 through 9).
REMOVAL
(1) Raise window to full UP position and keep it
there at all times while replacing motor. If window is in
any position other than full UP and motor is separated
from spring loaded regulator, then regulator counterbal-
ance spring will tend to propel window upwards.
WARNING:PLACE A WINDOW BLOCK IN DOOR
THAT WILL POSITIVELY PREVENT WINDOW FROM
GOING DOWN. THIS ACTION WILL PREVENT IN-
JURY THAT COULD BE CAUSED BY INCORRECT
INSTALLATION
OF
COUNTERBALANCE
SPRING
OR UPWARD MOVEMENT OF THE WINDOW.
(2) Disconnect wiring connector from motor which
is located about eleven inches from motor.
(3) Remove three mounting screws that hold motor
gearbox to regulator. Remove third screw that se-
cures motor tie-down bracket to inner panel if so
equipped. There are three holes in inner panel which
provide access to three mounting screws that secure
gearbox to regulator (Fig. 2).
Fig. 1 Motor Lubrication
Fig. 2 Electric Motor Mounting—Conventional
Regulators
Fig. 3 Front Door Power Window—AA Body
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POWER WINDOWS
8S - 3
For AJ body vehicles, it will be necessary to reach
through opening in inner door panel and around be-
hind regulator to gain access to motor gearbox re-
taining screws.
Fig. 6 Power Window Four Door—AP Body
Fig. 7 Power Window Convertible—AJ Body
Fig. 8 Power Window—AJ Body
Fig. 4 Rear Door Power Window—AA Body
Fig. 5 Power Window Two Door—AP Body
8S - 4
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