Welcome to our Refresher A/C class. Every facet of Automotive service is changing, and vehicle air conditioning systems are not an exception. This class will feature the HFO R1234yf Refrigerant updates and its limitations. We will discuss the new SAE standard components, equipment, leak detection and safety. We will also touch on the next new Refrigerant R744. Short cut diagnostics including the Variable Displacement Compressors, along with TSBs and much more diagnostics.

COURSE OUTLINE 

• R1234yf
  • Composition and characteristics
  • Recovery/recycling (regulations & equipment)
  • Leak detection
  • Special service procedures/precautions/safety
  • System operating pressures 
• R134A
  • Systems advancements
  • Manual temperature controls
  • Variable Displacement Compressors
  • Theory refresher
  • Low charge or bad compressor?
  • Mechanical control
  • Electronic Control
• Servicing Procedures
  • Tech Tips
  • TSBs  

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