Operation CHARM: Car repair manuals for everyone.

Heating and Air Conditioning: Testing and Inspection

TROUBLESHOOTING

PROBLEM SYMPTOMS TABLE

Symptom Chart (Part 1):




Symptom Chart (Part 2):




Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor. Use the table to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts. After correcting the malfunction, check the complete system to ensure that performance is satisfactory.