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HEATING AND AIR CONDITIONING 24 - 47 |
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REMOVAL AND INSTALLATION
(1)AA, AC or AY Body: Remove silencer cover under the instrument panel (below glove box).
(2)Remove glove box assembly. Refer to Group 8E, Instrument Panel.
(3)Disconnect vacuum lines.
(4)Locate and remove the two vacuum actuator attaching screws.
(5)Disengage the actuator arm linkage from the door pivot and remove the vacuum actuator (Fig. 5) from vehicle.
Fig. 5 Recirculating Air Door Vacuum
ActuatorÐTypical
To install, reverse the preceding operation.
AIR DISTRIBUTION DUCT
REMOVAL AND INSTALLATIONÐAA BODY
On AA Body the instrument panel must be rolled down to service duct. Refer to Group 8E, Instrument Panel.
REMOVAL AND INSTALLATIONÐAC, AP, AY BODY
(1)Remove lower instrument panel module. Refer to Group 8E, Instrument Panel.
(2)Remove distribution duct attaching screws from under the front edge of the instrument panel (Fig. 6).
(3)Slide duct downward and remove from vehicle. To install, reverse the preceding operation.
DEFROSTER DUCT ADAPTER
On AA body, the instrument panel must be rolled down to service duct. Refer to Group 8E, Instrument Panel.
REMOVAL AND INSTALLATIONÐAC, AP, AY BODY
(1) Remove air distribution duct.
Fig. 6 Air Distribution DuctsÐTypical
(2) Separate the defroster adapter from the heater- A/C unit and pull the adapter downward and out from under the instrument panel.
To install, reverse the preceding operation.
DEFROSTER DUCT
On AA, AG, and AJ Body, the instrument panel must be rolled down to service duct. Refer to Group 8E, Instrument Panel.
REMOVAL AND INSTALLATIONÐAC, AP, AY BODY
(1)Remove the air distribution duct.
(2)Remove the defroster duct adapter.
(3)Remove the instrument panel top cover. Refer to Group 8E, Instrument Panel.
(4)Locate and remove defroster duct attaching screws at the ends of each outlet (Fig. 7).
(5)Allow the defroster duct to drop downward and remove it from the vehicle.
To install, reverse the preceding operation.
HEATER HOSES
REMOVAL AND INSTALLATION
Review Cooling System Precautions before proceeding with this operation.
(1)Drain engine cooling system. Refer to Group 7, Cooling System.
(2)Loosen clamps at each end of hose to be removed (Figs. 8 or 9).
(3)Carefully rotate hose back and forth while tugging slightly away from connector nipple.
24 - 48 HEATING AND AIR CONDITIONING |
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Fig. 7 Removing or Installing Defroster
DuctÐTypical
Fig. 8 Heater Hose RoutingÐ2.2 L, 2.5 L
EnginesÐTypical
CAUTION: When removing hoses from heater core inlet or outlet nipples DO NOT exert excess pressure. The heater core may become damaged and leak engine coolant into heater-A/C unit.
To install, reverse the preceding operation.
Fig. 9 Heater Hose RoutingÐ3.0 L EngineÐTypical
AMBIENT TEMPERATURE SENSOR
SWITCHÐVARIABLE DISPLACEMENT
COMPRESSOR
REMOVAL AND INSTALLATION
The Ambient Temperature Sensor Switch is located in front of the A/C condenser and behind the vehicle grill (Fig. 10). Grill removal is not necessary for Sensor replacement.
Fig. 10 Ambient Temperature Sensor
SwitchÐTypical Mounting
(1)Remove the one attaching screw.
(2)Remove the sensor/bracket assembly from the vehicle.
To install, reverse the preceding operation.
VACUUM ACTUATORSÐMODE DOORS
The Vacuum Actuators for the Mode Doors are located on the drivers side of heater/AC housing above the accelerator pedal.
REMOVAL
(1) Remove the instrument panel cover under the steering column. Refer to Group 8E, Instrument Panel.
Heat/Defrost Actuator: