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Contents

Section: HVAC Systems - Service Information

ENGINE COOLING SYSTEM

HEATER AND AIR CONDITIONER SYSTEM

OPERATION

A/C PERFORMANCE

A/C PERFORMANCE TEST

HEATER PERFORMANCE

MAXIMUM HEATER OUTPUT: TEST AND ACTION

OBSTRUCTED COOLANT FLOW

MECHANICAL PROBLEMS

TEMPERATURE CONTROL

HEATING-A/C SYSTEM

DESCRIPTION

A/C COMPRESSOR CLUTCH COIL

PRELIMINARY CHECKS

COIL RESISTANCE TEST

COIL CURRENT DRAW TEST

A/C CLUTCH INSPECTION

A/C CLUTCH BREAK-IN

REMOVAL

INSTALLATION

VACUUM CONTROL SYSTEM

ONE-WAY CHECK VALVE

A/C-HEATER CONTROLS

LOCATING VACUUM LEAKS

LOCATING PINCHED VACUUM LINES

CABLE ADJUSTMENT PROCEDURE

A/C HIGH PRESSURE SWITCH

A/C LOW PRESSURE SWITCH

BLOWER MOTOR RESISTOR

ADJUSTMENT PROCEDURE

AIR OUTLET DISTRIBUTION DUCT

AIR OUTLET CENTER DUCT

BLOWER MOTOR

VIBRATION

NOISE

WITH AIR CONDITIONING

WITHOUT AIR CONDITIONING

ASSEMBLY

AIR OUTLET LEFT DUCT

AIR OUTLET RIGHT DUCT

LEFT AIR OUTLET DUCT

RIGHT AIR OUTLET DUCT

WARNINGS

CAUTIONS

REFRIGERANT SYSTEM SERVICE EQUIPMENT

MANIFOLD GAUGE SET CONNECTIONS

REFRIGERANT SYSTEM CHARGE LEVEL

REFRIGERANT SYSTEM RECOVERY

REFRIGERANT SYSTEM EVACUATE

REFRIGERANT SYSTEM CHARGE

CHARGING PROCEDURE

A/C COMPRESSOR

HIGH PRESSURE RELIEF VALVE

A/C COMPRESSOR NOISE

REFRIGERANT OIL LEVEL

DIESEL ENGINE COOLANT HEATER

All sections

TEMPERATURE CONTROL Chrysler PT Cruiser I

HVAC Systems - Service Information

TEMPERATURE CONTROL

If the heater outlet air temperature cannot be adjusted with the temperature control on the A/C-heater control panel, the following could require service

Faulty A/C-heater control.
Faulty temperature control cable.
Faulty related wiring harness or connectors.
Faulty blend-air door.