Refrigerator Noisy or Clicking Compressor
Clicking sound every few minutes, or loud humming from the back
60% chance this is caused by:
Failed start relay or capacitor trying to start the compressor
Refrigerator noisy or clicking compressor is a hard-difficulty repair. The most likely cause is failed start relay or capacitor trying to start the compressor, and replacing the failed part takes approximately 15-20 minutes. The part costs about $22 — compared to $800-2,500 for a full replacement.
Fix it this weekend. Most parts ship same-day on Amazon.
A service call costs $150-300. This repair takes about 15-20 minutes and the part runs $22. Order the part tonight, fix it Saturday morning.
✓ Good call investigating this. Most homeowners wait until the problem gets worse — which typically means a higher repair bill. This is a hard-rated repair — 35% of homeowners with basic tools complete it successfully. A $22 part saves you a $150–300 service call.
The exact part you need is listed below — order it now and fix it this weekend.
Safety Warning
Always unplug before servicing. Never puncture refrigerant lines. Refrigerators are heavy — use a dolly and a helper when moving. Condenser and evaporator coils contain refrigerant under pressure.
🔧 The Exact Part You Need
Total parts cost: $22. Same-day shipping available on most items.
What happens if you don't fix this
A $22 part now can prevent a much bigger problem later. Left unfixed, this issue can cascade into a $$800-2,500 replacement — that's × the cost of the part. The repair gets more expensive the longer you wait.
Find the Right Part for Your Refrigerator
Parts vary by model. Search with your model number for the best match.
Tip: Add your model number (e.g. "GE GSS25GSH") for more precise results.
🔥 Parts for Refrigerators move fast on Amazon — especially common failure parts like these.
🔨 Tools You'll Need
Repair Summary
| Appliance | Refrigerator |
| Problem | Noisy or Clicking Compressor |
| Diagnosis Confidence | 60% |
| Most Likely Cause | Failed start relay or capacitor trying to start the compressor |
| Difficulty | hard |
| Estimated Time | 15-20 minutes |
| Parts Cost | $22 |
| Replacement Cost | $800-2,500 |
📋 Step-by-Step Instructions
Unplug the refrigerator
Remove lower back panel
Locate the start relay on the compressor
Remove and test — rattling sound = broken
Replace with new relay/capacitor kit
Plug in and listen — compressor should start smoothly within 5 seconds
⚠️ Only replace the relay/capacitor kit — do NOT attempt to open the sealed compressor system. Refrigerant requires EPA certification to handle.
Don't put this off.
A Refrigerator that's failing can cause water damage, electrical issues, or food spoilage — each costing 10x what the replacement part costs. The fix is straightforward. The part is cheap. The risk of waiting isn't.
🔍 Why This Happens
Root cause analysis for your refrigerator's noisy or clicking compressor
The start relay + capacitor kit in your refrigerator is an electro-mechanical component that fails through electrical arcing, contact pitting, or winding breakdown. These components typically fail after years of repeated switching cycles — the contacts degrade gradually until they stop making a reliable connection. At 60% match rate for your symptom, this is the component to replace.
60%
Diagnostic match rate
Low
DIY success rate
15-20 minutes
Typical repair time
🛡️ Prevention Tips
How to prevent your refrigerator's noisy or clicking compressor from happening again after this repair.
Vacuum the condenser coils (usually on the back or underneath) twice a year. Dusty coils make the compressor work harder and run longer, shortening its lifespan.
Keep the refrigerator about 75% full for optimal efficiency — too empty and it cycles too often, too full and airflow is blocked.
Check and replace door gaskets if they're torn or not sealing. A poor seal makes the compressor run constantly to maintain temperature.
Don't push the fridge all the way against the wall — leave 2-3 inches for air circulation around the condenser.
Before installing the new start relay + capacitor kit, inspect the wiring connectors for corrosion, melting, or loose fits. Electrical failures often damage the connector, not just the component.
Other Refrigerator Problems
Common Questions About This Repair
How much does it cost to fix a refrigerator that's noisy or clicking compressor?
How long does this refrigerator repair take?
What if this isn't the problem?
Should I just replace my refrigerator instead?
🔧 Repair Data Sources
Repair guides are compiled from:
- • Manufacturer service manuals and technical bulletins
- • Common failure pattern data from appliance repair technicians
- • OEM parts databases for exact replacement compatibility
Difficulty ratings are based on the average homeowner's skill level, not professional standards. Confidence percentages reflect the likelihood that the listed cause matches the observed symptom. Updated May 2026.
Disclaimer: This repair guide is for informational purposes only and is based on manufacturer service manuals and published repair data. TheFixGuide is not responsible for any damage, injury, or loss resulting from attempted repairs. If a repair involves gas, high voltage, stored energy (capacitors), or refrigerant, we strongly recommend hiring a licensed professional.
🔨 Need tools? Get parts on Amazon
Get Parts →Dex A. Varland
Master Appliance Technician · 15+ Years Experience
Dex A. Varland is a master appliance technician with 15+ years of hands-on experience across all major brands. He has diagnosed and repaired thousands of household appliances and contributes to TheFixGuide to help homeowners tackle repairs with confidence.
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