April 19, 2023

Air compressor symptoms

Won't start, won't build tank pressure and won't start with a full air tank are common air compressor failures. When your air compressor doesn't work, use our symptoms and troubleshooting advice to find the cause of the failure. Order air compressor parts by keying your model number in to the model finder and selecting the replacement parts you need. Follow the step-by-step instructions in the air compressor repair guides to install parts and restore your equipment to working order.

air compressor

Symptoms common to all air compressors

Choose a symptom to see related air compressor repairs.

April 19, 2023

Main causes: tank drain valve open or leaking air, leaky air tank, bad safety valve, worn pump seals, bad pump valve pla…

April 19, 2023

Main cause: faulty output air pressure regulator…

April 19, 2023

Main cause: bad air tank pressure gauge…

April 19, 2023

Main causes: bad safety valve, pressure switch failure…

April 19, 2023

Main causes: loose air tube fitting connections, bad check valve, faulty safety valve, damaged or corroded air tank, bad…

April 19, 2023

Main causes: rusted air tank, loose air tube fitting connections, bad check valve, leaky safety valve, bad tank drain va…

January 10, 2024

Main causes: lack of electrical power, check valve failure, bad pressure switch…

Most common repair guides to help fix your air compressors

These step-by-step repair guides will help you safely fix what’s broken on your air compressor.

How to replace an air compressor check valve

How to replace an air compressor check valve

You can replace a defective air compressor check valve in about 10 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace an air compressor pressure switch

How to replace an air compressor pressure switch

You can replace a broken air compressor pressure switch in about 45 minutes. …

Repair difficulty
Time required
 45 minutes or less
How to rebuild an air compressor pump

How to rebuild an air compressor pump

If the air compressor won't fill the tank with compressed air, rebuild the pump using these steps in about 45 minutes. …

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your air compressors

Use the advice and tips in these articles and videos to get the most out of your air compressor.

How to reduce air compressor noise

How to reduce air compressor noise

Find out how to reduce air compressor noise.…

The unseen dangers of air compressors

The unseen dangers of air compressors

Learn about the possible dangers associated with using an air compressor and how you can reduce the risks of property da…

How to maintain an oil-free air compressor

How to maintain an oil-free air compressor

Learn how to maintain an oil-less air compressor for safe and efficient operation.…