In this issue:

HFC-134a Air Conditioning Service and Testing

These service and testing procedures should be used to diagnose, service and repair Subaru air conditioning systems charged with HFC-134a refrigerant.

Air Conditioning Service Regulations

The refrigerant changeover from CFC-12 to HFC-134a has lead to some incorrect assumptions among service technicians. This summary of the EPA Clean Air Act rules which apply to automobile air conditioning systems should help.

Insider Info:

• Blower Motor Resistor Repairs
• Legacy Zexel Air Conditioning
• 1995 Model Year RHD Postal Legacy Air Conditioning System
• Legacy Compressor Belt Tension
• SVX Evaporator Thermosensor Intake Sensor
• A/C Performance–All Models
• Cooling Fan Operation
• 1998 Subaru Forester Dash Vent Noise
• 1998 Subaru Forester Squeaking Noise With A/C On
• Subaru Impreza Center Dash Vent Airflow
• Air Conditioner Hoses
• A/C System Diagnostic Tips
• A/C Testing for System Leakage
• Dust & Dirt Entering Rear of Vehicle
• A/C Inoperative Impreza/Forester Vehicles
• Use Of A/C Dyes in Subaru Air Conditioning Systems Manufacturer’s Recommendations
• Refrigerant Substitution Warning
• Over/Undercharge
• Refrigerant Cross Contamination