Air Compressor: Air tank pressure gauge isn't working

Check the tank for air pressure by pulling the ring on the safety valve. If air escapes the air tank indicating that the tank has significant air pressure, replace the air tank pressure gauge.

air compressor

These repairs may help solve your air compressor problem

Replace the air compressor tank pressure gauge

Replace the air compressor tank pressure gauge

The air tank pressure gauge indicates whether the tank is full of compressed air. Replace the air compressor pressure gauge if it's damaged or defective.

Symptoms common to all air compressors

Choose a symptom to see related air compressor repairs.

Main causes: lack of electrical power, check valve failure, bad pressure switch
Main causes: loose air tube fitting connections, bad check valve, faulty safety valve, damaged or corroded air tank, bad air pump
Main cause: bad air tank pressure gauge
Main cause: faulty output air pressure regulator
Main causes: bad safety valve, pressure switch failure
Main causes: tank drain valve open or leaking air, leaky air tank, bad safety valve, worn pump seals, bad pump valve plate
Main causes: rusted air tank, loose air tube fitting connections, bad check valve, leaky safety valve, bad tank drain valve

Repair guides common to all 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

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

Repair difficulty
Time required
 15 minutes or less
May 1, 2015
By Lyle Weischwill
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
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

Articles and videos common to all air compressors

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

April 24, 2015

How to reduce air compressor noise

By Sears PartsDirect staff

Find out how to reduce air compressor noise.

April 21, 2015

How to maintain an oil-free air compressor

By Sears PartsDirect staff

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

April 21, 2015

How to maintain an oil-lubricated air compressor

By Sears PartsDirect staff

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