HVAC HOUSING
REMOVAL
WARNING: REFER TO THE APPLICABLE WARN-
INGS AND CAUTIONS FOR THIS SYSTEM BEFORE
PERFORMING THE FOLLOWING OPERATION.
(Refer to 24 - HEATING & AIR CONDITIONING/
PLUMBING - FRONT - WARNING - A/C PLUMBING),
(Refer to 24 - HEATING & AIR CONDITIONING/
PLUMBING - FRONT - CAUTION - A/C PLUMBING),
and (Refer to 24 - HEATING & AIR CONDITIONING/
PLUMBING - FRONT - WARNING - HEATER PLUMB-
ING).
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 ACCIDENTAL AIR-
BAG DEPLOYMENT AND POSSIBLE PERSONAL
INJURY.
(1) Recover the refrigerant from the refrigerant
system. (Refer to 24 - HEATING & AIR CONDI-
TIONING/PLUMBING - FRONT/REFRIGERANT -
STANDARD PROCEDURE - REFRIGERANT
RECOVERY).
(2) Drain the engine cooling system. (Refer to 7 -
COOLING - STANDARD PROCEDURE - COOLING
SYSTEM DRAIN).
(3) Disconnect and isolate the battery negative
cable.
(4) Disconnect the liquid line and suction line from
the expansion valve. (Refer to 24 - HEATING & AIR
CONDITIONING/PLUMBING - FRONT/LIQUID
LINE - REMOVAL) and (Refer to 24 - HEATING &
AIR CONDITIONING/PLUMBING - FRONT/SUC-
TION LINE - REMOVAL).
(5) Disconnect the heater hoses from the heater
core tubes. (Refer to 24 - HEATING & AIR CONDI-
TIONING/PLUMBING - FRONT/HEATER HOSE -
REMOVAL).
(6) Remove the four nuts that secure the heater-
A/C unit housing studs to the engine compartment
side of the dash panel (Fig. 13).
(7) Remove the instrument panel from the passen-
ger compartment. (Refer to 23 - BODY/INSTRU-
MENT PANEL/INSTRUMENT PANEL ASSEMBLY -
REMOVAL).
(8) Remove the floor distribution duct from the
heater-A/C unit housing. (Refer to 24 - HEATING &
AIR CONDITIONING/DISTRIBUTION - FRONT/
FLOOR DISTRIBUTION DUCTS - REMOVAL).
(9) Remove the one screw that secures the heater-
A/C unit housing bracket to the passenger compart-
ment side of the dash panel (Fig. 14).
Fig. 13 Heater-A/C Unit Housing Studs
1 - HEATER-A/C UNIT HOUSING
2 - DASH PANEL
3 - NUT (4)
4 - STUD (4)
Fig. 14 Heater-A/C Unit Housing
1 - HEATER-A/C UNIT HOUSING
2 - SCREW
3 - BRACKET
4 - DASH PANEL
RS DISTRIBUTION - FRONT 24-49
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