POLAR BEAR, INC. AUTO AC TROUBLE SHOOTING GUIDE

• INTRODUCTION
• OVERVIEW
• FLUSHING
• THE SPECIAL CASE FOR THE FORD FS10 AND CALSONIC DKV 14D
• WHAT IS AN AIR CONDITIONER?      

 
 

•        Compressor
•         Drier
•         Condenser
•         Expansion valve
•         Evaporator

 
 

• HOW DOES IT ALL WORK?
• DIAGNOSES AND REPAIR 

  •        Symptoms
  •         Doesn't blow cold
  •         Compressor clutch doesn't engage
  •           Low on refrigerant (freon)
  •          Bad coil

• INTERPRETATION OF GAUGE READINGS
• CLUTCHES: TO CHANGE OR NOT TO CHANGE
• RETROFITTING TO R134a
• CHARGING THE SYSTEM
• TEMPERATURE AND PRESSURE

 
 

 

 
 

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