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HEATING AND AIR CONDITIONING CONTENTS page page AUTOMATIC TEMPERATURE CONTROL (ATC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 COMPONENT SERVICE PROCEDURES . . . . . . 47 FIXED DISPLACEMENT COMPRESSOR— MODEL 10PA17 . . . . . . . . . . . . . . . . . . . . . . 24 FIXED DISPLACEMENT COMPRESSOR— MODEL SD709P . . . . . . . . . . . . . . . . . . . . . . 38 FIXED DISPLACEMENT COMPRESSOR— MODEL TR105 . . . . . . . . . . . . . . . . . . . . . . . 32 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . 1 . . . . 6 REFRIGERANT SERVICE PROCEDURES . . . . . . 8 VACUUM CONTROL SYSTEM DIAGNOSIS . . . . 4 VARIABLE DISPLACEMENT COMPRESSOR— MODEL 6C17 . . . . . . . . . . . . . . . . . . . . . . . . . 13 GENERAL INFORMATION INDEX page page A/C System Identification . . . . . . . . . . . . . . . . . . . 1 Cooling System Precautions . . . . . . . . . . . . . . . . . 3 Description and Operation . . . . . . . . . . . . . . . . . . . 1 Engine Cooling System Requirements . . . . . . . . . . 2 Handling Tubing and Fittings . . . . . . . . . . . . . . . . . 3 Safety Precautions and Warnings . . . . . . . . . . . . . 3 Side Window Demisters . . . . . . . . . . . . . . . . . . . . 2 System Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 A/C SYSTEM IDENTIFICATION The terms Fixed Displacement Compressor and Variable Displacement Compressor will be used to The Variable Displacement Compressor can be identified by the location of the high pressure line. It DESCRIPTION AND OPERATION Both the heater and the heater/air conditioning systems share many of the same functioning compo- For proper operation of the instrument panel con- trols, refer to the Owner’s Manual provided with the All vehicles are equipped with a common A/C-heat- er unit housing assembly. On heater only systems, SYSTEM AIRFLOW The system pulls outside (ambient) air through the cowl opening at the base of the windshield. Then it unit housing. On air conditioned vehicles, the air Fig. 1 Fixed Displacement Compressor—Model 10PA17 Ä HEATING AND AIR CONDITIONING 24 - 1 |