How do I know that my air compressor pump is broken?

Your air compressor pump is the heart of your machine, and when it stops working, it can bring your projects to a standstill. But how can you tell if your pump is the problem? Here are some common signs to watch for:

1. No Pressure Build-Up

If your air compressor isn’t building pressure or isn’t reaching its normal operating level, the pump could be to blame. Check the pressure gauge—if the reading is unusually low or stagnant, it’s a red flag.

2. Strange Noises

Knocking, rattling, or grinding sounds coming from the pump during operation often signal trouble. These noises could mean failed bearings, pistons, or other internal components.

3. Oil Leaks

Notice oil pooling around your air compressor pump? This might point to worn seals or gaskets—or worse, internal damage. Address oil leaks promptly to avoid further issues.

4. Overheating

If your pump feels excessively hot, something isn’t right. Overheating can result from insufficient lubrication, a blocked cooling system, or a malfunctioning motor.

5. Reduced Performance

A drop in performance—such as lower air flow, longer pressurization times, or diminished power—may signal a pump problem. If you’ve ruled out air leaks and clogged filters, the pump could be the culprit.

6. Visible Damage

Inspect your air compressor pump for obvious signs of damage. Broken or bent components, excessive wear, or corrosion are all warning signs that the pump may have failed.

What to Do Next

If you suspect your air compressor pump is failing, turn off the machine and seek professional help. Continuing to operate a damaged pump can cause further harm and even pose safety risks.

Master Tool Repair is Here to Help

If you need advice or replacement parts, Master Tool Repair has you covered:

• Call us at 757-547-8665
• Email us at customerservice@mastertoolrepair.com

Check out air compressor replacement pumps by brand at: https://mastertoolrepair.com/pumps-by-brand/

Don’t let a broken pump slow you down—visit our site today to find the parts you need to get your air compressor back in action!