Chrysler 300M 2002 Service Manual page 1661

24 - 24 DISTRIBUTION
BLOWER MOTOR (Continued)
REMOVAL
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, DISABLE THE AIRBAG SYSTEM BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING
COLUMN, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE. DISCONNECT AND ISO-
LATE THE BATTERY NEGATIVE (GROUND) CABLE,
THEN WAIT TWO MINUTES FOR THE AIRBAG SYS-
TEM CAPACITOR TO DISCHARGE BEFORE PER-
FORMING FURTHER DIAGNOSIS OR SERVICE. THIS
IS THE ONLY SURE WAY TO DISABLE THE AIRBAG
SYSTEM. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN AN ACCIDENTAL
AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
(1) Open the hood and disconnect the negative bat-
tery cable remote terminal from the remote battery
post(Refer to 8 - ELECTRICAL/BATTERY SYSTEM/
CABLES - REMOVAL).
(2) Remove the lower right under panel duct.
(3) Remove the blower motor connector from the
blower motor resistor block/power module.
(4) Squeeze the blower motor wiring grommet and
push the grommet through the blower motor housing
cover.
(5) Remove the blower motor housing cover.
(6) Remove the blower motor retaining screws.
(7) Lower the blower motor from housing.
INSTALLATION
(1) Install the blower motor in the HVAC housing
and tighten the mounting screws to 2.2 N·m (20 in.
lbs.).
(2) Install the blower motor housing cover.
(3) Position the blower motor wiring grommet in
the blower motor housing cover.
(4) Connect the blower motor harness connector to
the blower motor resistor block/power module.
(5) Install the lower right under panel duct.
(6) Connect the negative battery cable remote termi-
nal to the remote battery post(Refer to 8 - ELECTRI-
CAL/BATTERY SYSTEM/CABLES - INSTALLATION).
HVAC HOUSING
REMOVAL
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, DISABLE THE AIRBAG SYSTEM BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING
COLUMN, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE. DISCONNECT AND ISO-
LATE THE BATTERY NEGATIVE (GROUND) CABLE,
THEN WAIT TWO MINUTES FOR THE AIRBAG SYS-
TEM CAPACITOR TO DISCHARGE BEFORE PER-
FORMING FURTHER DIAGNOSIS OR SERVICE. THIS
IS THE ONLY SURE WAY TO DISABLE THE AIRBAG
SYSTEM. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN AN ACCIDENTAL
AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
WARNING: REVIEW THE WARNINGS IN THE FRONT
OF PLUMBING BEFORE PERFORMING THE FOL-
LOWING OPERATION. (Refer to 24 - HEATING & AIR
CONDITIONING/PLUMBING - WARNING)
(1) Open the hood and disconnect the negative bat-
tery cable remote terminal from the remote battery
post(Refer to 8 - ELECTRICAL/BATTERY SYSTEM/
CABLES - REMOVAL).
(2) Remove the instrument panel from vehicle(Re-
fer to 23 - BODY/INSTRUMENT PANEL/INSTRU-
MENT PANEL ASSEMBLY - REMOVAL).
(3) Recover the refrigerant from the system. (Refer
to 24 - HEATING & AIR CONDITIONING/PLUMB-
ING - STANDARD PROCEDURE - REFRIGERANT
RECOVERY)
(4) Drain the engine cooling system(Refer to 7 -
COOLING - STANDARD PROCEDURE).
(5) Remove the air cleaner hose and air distribu-
tion duct from the engine.
(6) Remove the spring type heater hose fasteners
at the dash panel and remove the hoses from heater
core. Plug the heater core inlet and outlet tubes to
prevent anti-freeze from spilling on the vehicle inte-
rior during removal. If an appropriate plug cannot be
found pull back carpet and use caution when remov-
ing the HVAC housing. Keep the heater tubes ele-
vated to prevent spillage of coolant.
(7) Remove one nut at expansion valve retaining
both A/C lines to expansion valve. After removing the
lines cap the expansion valve openings and the A/C
hose openings. This will prevent any dirt or moisture
from entering the refrigerant system during servic-
ing.
CAUTION: The lubricant used in this air condition-
ing system absorbs moisture readily (similar to
brake fluid). Do not leave any portion of the system
open for extended periods of time.
(8) Remove the three retaining nuts from the
studs. These studs project through the dash panel
into the engine compartment.
(9) Remove two screws to the defrost duct and
remove.
(10) Remove two nuts, and two screws attaching
the HVAC housing to the dash panel.
(11) Remove four nuts retaining the rear seat heat
duct, and remove.
LH