DIY air compressor repair
An air compressor is a handy DIY tool when it's working correctly. When that doesn't happen—maybe the tank won't hold air, the pressure gauge isn't working or the safety valve keeps popping open—Sears PartsDirect has the troubleshooting guidance to get your air compressor back in good working condition.
Match the problem you're having with your air compressor with a symptom below to see the most common repair. Once you determine the problem, use the instructions in our step-by-step air compressor repair guides to replace the broken part. For advice on how to maintain different types of air compressors or tips on the unseen dangers of the power tool, check out our articles and videos page.
Search using your model number to find the owner’s manual or a complete list of replacement parts for your air compressor.
Symptoms common to all air compressors
Repair guides common to all air compressors

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

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

You can replace a broken air compressor pressure switch in about 45 minutes.
Articles and videos common to all air compressors

Find out how to reduce air compressor noise.

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

See how to perform routine maintenance on your oil-lubricated air compressor.