Chrysler 300M Service Manual page 417

8N - 22 POWER WINDOWS
POWER WINDOWS (Continued)
(3) Connect negative (-) lead from test battery to
remaining motor terminal.
(4) 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 move it in
UP direction no movement will be observed.
(b) Likewise, motor connected to move window
in DOWN direction no movement will be observed
if window is already in full DOWN position.
(c) Reverse battery leads in Step 1 and Step 2
and window should now move. If window does not
move, remove motor. (Refer to 8 - ELECTRICAL/
POWER WINDOWS/WINDOW MOTOR - REMOV-
AL).
(5) If window moved completely up or down, the
test leads should be reversed one more time to com-
plete a full window travel inspection.
(6) If window does not move, check to make sure
that it is free.
(7) It is necessary that the window be free to slide
up and down in the glass channels. If the window is
not free to move up and down, the window lift motor
will not be able to move the glass.
(8) To determine if the glass is free is to disconnect
the regulator from the glass lift plate. Remove the
two attaching screws, and slide the window up and
down by hand.
WINDOW MOTOR
REMOVAL
(1) Move the window to the full-up position, if pos-
sible.
(2) Open hood and disconnect the negative battery
cable remote terminal from the remote battery post.
(3) Remove door trim panel. (Refer to 23 - BODY/
DOOR - FRONT/TRIM PANEL - REMOVAL) or
(Refer to 23 - BODY/DOORS - REAR/TRIM PANEL -
REMOVAL).
(4) Remove window regulator. (Refer to 23 -
BODY/DOOR - FRONT/WINDOW REGULATOR -
REMOVAL) or (Refer to 23 - BODY/DOORS - REAR -
REMOVAL).
WARNING:
FAILURE TO CLAMP THE SECTOR GEAR TO THE
MOUNTING PLATE WHEN REMOVING THE MOTOR
CAN RESULT IN INJURY.
(5) Disconnect wiring connector from motor.
(6) Secure the sector gear and mounting plate with
a C clamp or similar clamping tool. This will prevent
a sudden and forceful movement of the regulator
when the motor is removed.
(7) Remove three mounting screws that hold motor
gearbox to regulator (Fig. 1).
(8) Remove motor from regulator.
Fig. 1 Motor Removal
1 - CLAMP REGULATOR TO SECTOR GEAR
2 - MOTOR MOUNTING SCREWS
INSTALLATION
(1) Install new motor on regulator by positioning
motor gearbox so that it engages regulator sector
teeth.
(2) A slight rotational or rocking movement may
be necessary to bring three motor gearbox screw
holes into proper position.
(3) Install three gearbox screws and one tie down
bracket screw, if applicable. Tighten to 5.6 to 8 N·m
(50 to 70 in. lbs.) torque.
(4) Install regulator. Using the switch, test opera-
tion of motor.
(5) Install trim panel. (Refer to 23 - BODY/DOOR -
FRONT/TRIM PANEL - INSTALLATION) or (Refer
to 23 - BODY/DOORS - REAR/TRIM PANEL -
INSTALLATION).
(6) Connect the negative battery cable remote ter-
minal to the to the remote battery post.
LH