(3) Lift the lower end of the recirculation air door
up far enough so that the door lever is clear of the
recirculation air intake grille, then twist the door to
remove the door pivots from the pivot holes in the
blower motor housing cover (Fig. 71).
(4) Remove the recirculation air door from the
blower motor housing cover.
(5) Reverse the removal procedures to install.
HEATER CORE
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, REFER TO GROUP 8M - PASSIVE
RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY
STEERING WHEEL, STEERING COLUMN, OR
INSTRUMENT PANEL COMPONENT DIAGNOSIS OR
SERVICE. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
REMOVAL
(1) Remove the heater-A/C housing from the vehi-
cle, and remove the housing cover. See Heater-A/C
Housing in the Removal and Installation section of
this group for the procedures.
(2) Lift the heater core out of the heater-A/C hous-
ing (Fig. 72).
INSTALLATION
(1) Insert the heater core into the bottom of the
heater-A/C housing.
(2) Reassemble and reinstall the heater-A/C hous-
ing in the vehicle. See Heater-A/C Housing in the
Removal and Installation section of this group for the
procedures.
HIGH PRESSURE CUT-OFF SWITCH
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Unplug the wire harness connector from the
high pressure cut-off switch, which is mounted to a
fitting on the discharge line between the compressor
and the condenser inlet (Fig. 73).
(3) Unscrew the high pressure cut-off switch from
the discharge line fitting.
(4) Remove the high pressure cut-off switch from
the vehicle.
(5) Remove the O-ring seal from the discharge line
fitting and discard.
INSTALLATION
(1) Lubricate a new O-ring seal with clean refrig-
erant oil and install it on the discharge line fitting.
Use only the specified O-rings as they are made of a
special material for the R-134a system. Use only
refrigerant oil of the type recommended for the com-
pressor in the vehicle.
(2) Install and tighten the high pressure cut-off
switch on the discharge line fitting.
(3) Plug the wire harness connector into the high
pressure cut-off switch.
(4) Connect the battery negative cable.
Fig. 71 Recirculation Air Door Remove/Install
1 – BLOWER MOTOR HOUSING COVER
2 – RECIRCULATION AIR DOOR
3 – DOOR PIVOT HOLES
Fig. 72 Heater Core Remove/Install
1 – HEATER-A/C HOUSING
2 – HEATER CORE
DN HEATING AND AIR CONDITIONING 24 - 59
REMOVAL AND INSTALLATION (Continued)
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