- •GENERAL INFORMATION
- •DESCRIPTION AND OPERATION
- •SYSTEM AIRFLOW
- •SIDE WINDOW DEMISTERS
- •ENGINE COOLING SYSTEM REQUIREMENTS
- •SAFETY PRECAUTIONS AND WARNINGS
- •COOLING SYSTEM PRECAUTIONS
- •HANDLING TUBING AND FITTINGS
- •VARIABLE COMPRESSOR AND COMPONENTS DIAGNOSTIC PROCEDURES
- •GENERAL INFORMATION
- •COMPRESSOR IDENTIFICATION
- •COMPRESSOR NOISE
- •COMPRESSOR CLUTCH INOPERATIVE
- •VARIABLE DISPLACEMENT COMPRESSOR DIAGNOSIS
- •COMPRESSOR NOISE AND COMPRESSOR CLUTCH DIAGNOSIS
- •CLUTCH COIL TESTS
- •DPCO SWITCH TEST
- •AMBIENT SWITCH DIAGNOSIS
- •AMBIENT SWITCH TEST
- •CONDENSER FAN CONTROL SWITCH DIAGNOSIS
- •FAN CONTROL SWITCH TEST
- •BLACK EXPANSION VALVE TEST
- •HIGH PRESSURE RELIEF VALVE (HPR) DIAGNOSIS
- •(HPR) VALVE LOCATION
- •COMPRESSOR CLUTCH INOPERATIVE
- •COMPRESSOR NOISE AND COMPRESSOR CLUTCH DIAGNOSIS
- •CLUTCH COIL TESTS
- •LPCO SWITCH TEST
- •TESTING THERMAL LIMITER SWITCH
- •SILVER EXPANSION VALVE TEST
- •REFRIGERANT SYSTEM DIAGNOSIS
- •HIGH PRESSURE RELIEF VALVE (HPR) DIAGNOSIS
- •(HPR) VALVE LOCATION
- •VACUUM CONTROL SYSTEM DIAGNOSIS
- •GENERAL INFORMATION
- •LOCATING VACUUM LEAKS
- •HEATER OUTPUT TEST
- •PERFORMANCE TEST PROCEDURE
- •TEMPERATURE REFERENCE CHART
- •REFRIGERANT SERVICE PROCEDURES
- •SIGHT GLASS REFRIGERANT LEVEL INSPECTION
- •REFRIGERANT RECYCLING
- •MANIFOLD GAUGE SET CONNECTIONS
- •GENERAL INFORMATION
- •TESTING FOR REFRIGERANT LEAKS
- •EMPTY REFRIGERANT SYSTEM LEAK TEST
- •LOW REFRIGERANT LEVEL LEAK TEST
- •ADDING PARTIAL REFRIGERANT CHARGE
- •DISCHARGING REFRIGERANT SYSTEM
- •EVACUATING REFRIGERANT SYSTEM
- •REFRIGERANT CAPACITIES:
- •OIL LEVEL
- •REFRIGERANT OIL LEVEL CHECK
- •VERIFY REFRIGERANT OIL LEVEL
- •REFRIGERANT OIL CAPACITIES
- •COMPRESSOR REMOVAL AND INSTALLATION
- •REMOVAL AND INSTALLATION
- •COMPRESSOR FRONT SHAFT SEAL
- •REMOVAL
- •INSTALLATION
- •REMOVAL AND INSTALLATION
- •COMPRESSOR HIGH PRESSURE RELIEF VALVE
- •REMOVAL AND INSTALLATION
- •COMPRESSOR MAIN OR SUB CONTROL VALVES
- •REMOVAL AND INSTALLATION
- •COMPRESSOR REMOVAL AND INSTALLATION
- •REMOVAL
- •INSTALLATION
- •REMOVAL
- •INSTALLATION
- •REMOVAL AND INSTALLATION
- •COMPRESSOR
- •REMOVAL
- •INSTALLATION
- •REMOVAL
- •INSPECTION
- •INSTALLATION
- •THERMAL LIMITER SWITCH
- •REMOVAL
- •CLEANING
- •INSTALLATION
- •REMOVAL
- •INSTALLATION
- •COMPONENT DIAGNOSIS PROCEDURES
- •CONDENSATE WATER DRAINAGE
- •BLOWER MOTOR ELECTRICAL DIAGNOSIS
- •BLOWER MOTOR ELECTRICAL SYSTEM DIAGNOSIS
- •COMPONENT SERVICE PROCEDURES
- •TEMPERATURE CONTROL CABLE
- •REMOVAL AND INSTALLATION
- •TEMPERATURE CONTROL CABLE
- •REMOVAL AND INSTALLATION
- •AJ AND AG BODY
- •AA, AP, AY, AND AC BODY
- •REMOVAL AND INSTALLATION
- •AIR DISTRIBUTION DUCT
- •DEFROSTER DUCT ADAPTER
- •DEFROSTER DUCT
- •HEATER HOSES
- •REMOVAL AND INSTALLATION
- •REMOVAL
- •INSTALLATION
- •AIR DISTRIBUTION DUCT
- •REMOVAL AND INSTALLATION
- •REMOVAL AND INSTALLATION
- •REMOVAL AND INSTALLATION
- •REMOVAL AND INSTALLATION
- •REMOVAL AND INSTALLATION
- •EXPANSION VALVE
- •REMOVAL
- •INSTALLATION
- •REMOVAL AND INSTALLATION
- •CONDENSER ASSEMBLY
- •REMOVAL AND INSTALLATION
- •BLOWER MOTOR
- •REMOVAL AND INSTALLATION
- •BLOWER MOTOR WHEEL ASSEMBLY
- •REMOVAL AND INSTALLATION
- •AP, AC, AY BODY PROCEDURE
- •AA BODY PROCEDURE
- •AG, AJ BODY PROCEDURE
- •DISASSEMBLE
- •REMOVAL AND INSTALLATION
- •HEATER CORE
- •REMOVAL AND INSTALLATION
- •EVAPORATOR COIL
- •REMOVAL AND INSTALLATION
- •CONDENSATE DRAIN TUBE
- •REMOVAL AND INSTALLATION
- •AUTOMATIC TEMPERATURE CONTROL (ATC)
- •COMPUTER CONTROLLER
- •POWER MODULE
- •AMBIENT TEMPERATURE SENSOR
- •MODE DOOR ACTUATOR
- •WATER TEMPERATURE SENSOR
- •SUN SENSOR
- •COMPUTER AIDED DIAGNOSTIC TESTS
- •SYMPTOM A
- •SYMPTOM B
- •SYMPTOM C
- •SYMPTOM D
- •FAILURE CODE DEFINITIONS
- •FAILURE CODE SERVICE PROCEDURES
- •ERASING FAILURE CODES
- •AUTOMATIC TEMPERATURE CONTROL COMPONENT SERVICE PROCEDURES
- •SUN SENSOR
- •REMOVAL AND INSTALLATION
- •POWER MODULE (PM)
- •REMOVAL AND INSTALLATION
- •REMOVAL AND INSTALLATION
- •MODE DOOR ACTUATOR
- •REMOVAL AND INSTALLATION
- •REMOVAL AND INSTALLATION
- •REMOVAL AND INSTALLATION
- •AMBIENT TEMPERATURE SENSOR
- •REMOVAL AND INSTALLATION
- •WATER TEMPERATURE SENSOR
- •REMOVAL AND INSTALLATION
- •REMOVAL AND INSTALLATION
24 - 52 HEATING AND AIR CONDITIONING |
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(7) After expansion valve is installed, system is |
CEEDING WITH THIS OPERATION. REFER TO DIS- |
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charged, and leaks have been checked, repeat A/C |
CHARGING REFRIGERATION SYSTEM IN THIS |
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performance check. |
GROUP. |
FILTER-DRIER ASSEMBLY
REMOVAL AND INSTALLATION
WARNING: THE REFRIGERATION SYSTEM MUST BE COMPLETELY DISCHARGED BEFORE PROCEEDING WITH THIS OPERATION. REFER TO DISCHARGING REFRIGERATION SYSTEM IN THIS GROUP.
(1) Remove the two high pressure lines from the sides of the filter-drier assembly (Fig. 1). Then carefully separate the lines from filter-drier. Discard old gaskets.
Fig. 1 Filter-DrierÐTypical
(2)Cover the open ends of the A/C lines to minimize system contamination.
(3)Remove two mounting strap bolts and lift the filter-drier from vehicle. If replacing the filter-drier assembly, transfer the mounting strap to replacement part.
To install, replace both refrigerant line to filterdrier gaskets, and reverse the preceding operation.
Evacuate and recharge system.
CONDENSER ASSEMBLY
The A/C condenser is mounted to the radiator with bolts (upper) and mounting pads (lower).
WARNING: THE REFRIGERATION SYSTEM MUST BE COMPLETELY DISCHARGED BEFORE PRO-
REMOVAL AND INSTALLATION
(1)Discharge A/C system.
(2)Remove the refrigerant line mounting nut (Fig.
2)and separate the refrigerant lines from condenser sealing plate.
Fig. 2 A/C Condenser Refrigerant LinesÐTypical
(3)Cover the open ends of the A/C lines and condenser to minimize system contamination.
(4)Remove the coolant overflow bottle, electric cooling fans and radiator assembly. Also remove the turbocharger inter-cooler if equipped. Refer to Group 7, Cooling System.
On some models, complete removal of the radiator, or coolant drainage is not necessary. The radiator may be moved slightly rearward to remove the condenser.
(5)Remove the two bolts securing the condenser assembly to the radiator.
(6)Slip the condenser from the lower radiator mounting brackets.
(7)Remove condenser.
To install, replace all O-rings and gaskets and coat sealing surfaces with approved refrigerant oil. Then reverse the preceding operation. When installing a new condenser, refer to Oil Level in the Refrigerant section. Tighten the refrigerant line mounting nut to 23 NIm (200 inch pounds).
Evacuate and recharge system.