1955 Chevrolet Air Conditioning Shop Manual
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| Page | |||
| Performance Test | 22 | ||
| Diagnosis | 23 | ||
| Drafts | 23 | ||
| Shortage of Air Supply at Outlets | 23 | ||
| Air Noise | 23 | ||
| Scraping Noise | 23 | ||
| Rattle and Vibration Noises | 23 | ||
| Water Leaking or Dripping into Passenger Compartment | 23 | ||
| Hissing Noise at Expansion Valve | 23 | ||
| Partial Frosting and Sweating of Cooling Unit or Poor Cooling | 24 | ||
| Failure to Cool | 24 | ||
| Too Cool | 25 | ||
| High Gauge Reading on High Side of System | 25 | ||
| Low Gauge Reading on High Side of System | 25 | ||
| High Gauge Reading on Low Side of System | 25 | ||
| Low Gauge Reading on Low Side of System | 25 | ||
| Diagnosis Summary | 26 | ||
| High Head Pressure | 26 | ||
| Low Head Pressure | 26 | ||
| Shortage of Refrigerant | 26 | ||
| Continuous Operation of Compressor | 26 | ||
| Poor or No Refrigeration | 26 | ||
| Inability to Obtain Proper Expansion Valve Adjustment | 26 | ||
| Stuck Open Needle in Expansion Valve | 26 | ||
| Stuck Shut Needle in Expansion Valve | 26 | ||
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