Heating and Air Conditioning: Technical Service Bulletins

• By Symptom
  • Erratic Operation
    • Fresh Air Blower - Operates in 4th Stage Only
  • Poor performance
    • Fresh Air Blower - Operates in 4th Stage Only
• All Technical Service Bulletins
  • A/C System - Retrofitting R-12 to R-134a
    • Overview
    • Cautions
    • Compressor Identification
    • System Preparation
    • Nippondenso Compressor A/C System
      • Replacement Compressor Updating
      • Required Parts
      • Retrofit Procedures
    • Zexel Compressor A/C System
      • Replacement Compressor Updating
      • Required Parts
      • Retrofit Procedures
    • Refrigerant/Oil Capacity Table
  • A/C - System Discharging and Environmental Laws
  • A/C - Freon Recycling System
  • Fresh Air Blower - Operates in 4th Stage Only