Disassembly And Assembly; Hvac Unit Housing Recondition - Chrysler 2000 LHS Owner's Manual

LH

DISASSEMBLY AND ASSEMBLY

HVAC UNIT HOUSING RECONDITION

Heater-A/C unit housing must be removed from
vehicle before performing this operation. Refer to
Unit Housing Removal and Installation.
The heater a/c unit housing need not be disassem-
bled to remove the heater core. Refer to Heater Core
Removal and Installation.
DISASSEMBLE
(1) Place heater-A/C unit assembly on workbench.
(2) Remove core retaining screws. Pull back on
retaining tabs and remove heater core from housing.
(3) Remove recirculation door actuator wiring.
Remove actuator from recirculation housing.
(4) Remove lower distribution housing. Remove
mode door actuator.
(5) Remove blend air door actuator.
(6) Remove recirculation housing screws and clip.
(7) Remove blower motor wiring at resistor.
(8) Squeeze blower motor wiring grommet and
push grommet through blower motor cover.
(9) Remove blower motor cover.
(10) Remove screws at blower motor mounts.
Remove motor.
(11) Remove blower motor resistor.
(12) Remove wiring at evaporator temperature
probe.
(13) Using a screwdriver, pry up on tab at evapo-
rator probe. Twist probe counterclockwise and push
tab into the housing.
(14) Pull the evaporator probe needle out of the
evaporator fins. Remove
through the opening at the blower motor housing.
(15) Remove vent door seal from housing.
(16) Remove evaporator seal from housing.
(17) Remove upper housing screws and clips.
(18) Separate upper housing from lower housing.
(19) Remove evaporator assembly from lower hous-
ing.
(20) Remove blend air door from lower housing.
(21) Using a flat blade screwdriver, pinch in the
retaining tab at the base of the vent door. Pull up on
door and remove from housing.
(22) Remove mode door actuating cam.
(23) Remove screw at defrost door actuating arm.
Remove defrost door link from arm.
the evaporator probe
HEATING AND AIR CONDITIONING
(24) Remove defrost door arm from lower housing.
(25) Remove link and defrost door from housing.
(26) Remove vent door actuating arm from lower
housing.
ASSEMBLE
(1) Install vent door actuating arm to lower hous-
ing.
(2) Install defrost door link to defrost door.
(3) Install door and link into A/C housing.
(4) Install defrost door actuating arm and retain-
ing screw at housing.
(5) Install defrost door link to actuating arm.
(6) Line up the slots to the pegs on the mode door
cam. Install the mode door cam.
(7) Turn housing over and snap in the vent door to
the vent door arm.
(8) Install blend-air door in the housing.
(9) Install evaporator into the lower housing.
(10) Install upper housing onto lower housing.
(11) Install screws to retain the upper housing to
the lower housing.
(12) Install evaporator and vent door seals onto
the A/C housing.
(13) Install evaporator probe assembly into the
housing. Insert probe needle into evaporator.
(14) Position the evaporator probe assembly at the
housing face. Twist assembly clockwise to lock tab
into slot on housing face.
(15) Install wiring at evaporator temperature
probe.
(16) Install blower motor resistor.
(17) Install blower motor into housing. Install
blower motor mounting screws.
(18) Thread the blower motor wiring through the
blower motor cover. Install the blower motor cover.
(19) Seat blower motor wiring grommet at blower
motor cover.
(20) Install blower motor wiring to the blower
motor resistor.
(21) Position recirculation housing to A/C housing.
Install retaining screws and clip.
(22) Install blend-air door actuator.
(23) Install mode door actuator.
(24) Install lower distribution housing.
(25) Install recirculation door actuator and wiring.
(26) Install heater core into A/C housing. Retain
core with screws.
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