Why Is My Whirlpool Refrigerator Making A Clicking Noise

ByJim Boslice Home & Kitchen

A clicking noise in a Whirlpool refrigerator is most commonly caused by a faulty start relay failing to kick-start the compressor or an obstructed condenser fan. If the clicking is accompanied by a lack of cooling, the start relay or the compressor itself is likely the culprit.

To fix it, unplug the unit, inspect the start relay for burn marks or a “rattle” sound, and ensure the condenser coils and fan blades are free of dust and debris.

It can be incredibly unsettling when you are working in your garage workshop or relaxing in the kitchen and you hear a rhythmic, metallic clicking coming from your fridge. You probably worry that a major appliance failure is imminent and a massive repair bill is right around the corner.

I have spent years tinkering with everything from table saws to HVAC systems, and I can tell you that most appliance issues are simpler than they seem. By understanding the mechanics of your fridge, you can diagnose the problem yourself and often fix it with just a few basic hand tools.

In this guide, I will walk you through exactly why is my whirlpool refrigerator making a clicking noise and provide a step-by-step roadmap to silence the racket. We will cover the most common parts that fail, how to test them safely, and when it is time to call in a professional or shop for a new unit.

The Primary Reason: Why Is My Whirlpool Refrigerator Making a Clicking Noise?

The most frequent cause of this specific sound is the compressor start relay. This small plastic component is plugged into the side of the compressor at the back of your fridge. Its job is to provide an extra boost of electricity to get the compressor motor spinning.

When this relay fails, it attempts to engage the compressor but fails, resulting in a distinct “click” followed by silence or a brief hum. If the compressor cannot start, it will overheat, causing the overload protector to click again as it shuts the system down to prevent a fire.

If you notice your fridge is not staying cold and you hear this cycle every few minutes, the start relay is the first place you should look. It is a cheap part and a very easy DIY fix for any homeowner with a nut driver and a little patience.

Troubleshooting the Compressor Start Relay

Before you start pulling panels off, always remember to unplug the refrigerator from the wall outlet. Safety is the foundation of any good workshop project, and working on live electrical components is a risk you do not need to take.

Once the power is off, pull the fridge away from the wall so you can access the rear lower panel. You will usually need a 1/4-inch nut driver or a Philips head screwdriver to remove the cardboard or metal cover guarding the machine compartment.

The Shake Test

Locate the compressor—the large, black, dome-shaped tank. On the side, you will see a small plastic box with wires attached; this is your start relay. Carefully pull it off the compressor terminals using needle-nose pliers or your fingers.

Give the relay a gentle shake near your ear. If it sounds like a box of broken glass or has a noticeable rattle, the internal ceramic disk has shattered. This is a definitive sign that the part is dead and needs to be replaced.

Testing with a Multimeter

If it does not rattle, you can use a digital multimeter set to the ohms (resistance) setting. Place the probes on the relay terminals. If the meter shows “OL” (open loop) or no continuity, the circuit is broken.

A functioning relay should show a low resistance reading. If your relay is faulty, search for your specific Whirlpool model number online to find the exact OEM replacement part. Using the right part ensures the electrical load matches your compressor’s requirements.

Checking the Condenser Fan for Obstructions

If the clicking is more rapid or sounds like something is hitting a moving object, the condenser fan is likely the source. This fan is located near the compressor and helps dissipate heat from the condenser coils.

Over time, pet hair, dust bunnies, and workshop debris can migrate under the fridge. If a large clump of compressed dust or a stray object gets lodged in the fan blades, the motor will click as it tries to spin against the resistance.

Cleaning the Fan Blades

While you have the back panel off, inspect the fan blades for any visible obstructions. Use a stiff-bristled brush or a vacuum with a crevice tool to clear out the area. Spin the fan with your hand to ensure it moves freely without catching.

If the fan blade is cracked or the motor shaft feels loose, the entire fan assembly may need replacement. A failing fan motor can also make a clicking or chirping sound as the internal bearings begin to seize up.

Water Inlet Valve and Ice Maker Issues

Sometimes the noise has nothing to do with the cooling system at all. If the clicking happens specifically every 30 to 60 minutes, it might be the water inlet valve trying to fill the ice maker tray.

This valve uses a solenoid—an electromagnetic coil—to open and close. If the valve is clogged with mineral deposits or if the water supply is turned off, the solenoid will click loudly as it tries to actuate without success.

Inspecting the Water Line

Check the copper or plastic water line at the back of the fridge. Ensure the shut-off valve is fully open and that there are no kinks in the line. If the line is clear but the clicking persists, the valve solenoid may be electrically failing.

Replacing a water inlet valve is a straightforward task. You simply disconnect the water lines (have a catch bucket ready) and swap the electrical harness to the new valve. This is a common maintenance task for older Whirlpool models.

The Role of the Defrost Timer

In older Whirlpool refrigerators, a mechanical defrost timer controls the cooling and defrost cycles. This timer uses a small motor and a set of plastic gears to keep track of time, much like an old-fashioned clock.

When those gears wear down or lose a tooth, they can produce a consistent mechanical clicking. This usually happens right before the fridge is supposed to enter the defrost mode to melt ice off the evaporator coils.

Locating the Timer

The defrost timer is usually located behind the kick plate at the bottom of the fridge or inside the temperature control housing in the fresh food section. You can often test this by using a flathead screwdriver to manually turn the timer dial.

If the clicking stops or the fridge suddenly kicks into a different mode when you turn the dial, the timer is faulty. Modern fridges use electronic control boards, which do not click in the same way, though a failing relay on a board can still make a faint noise.

Essential Tools for Fridge Repair

You do not need a massive rolling tool chest to fix these issues. Most Whirlpool repairs can be handled with a basic DIY kit. Having these items on hand will make the job much smoother and prevent mid-project trips to the hardware store.

  • Digital Multimeter: Essential for testing continuity in relays and solenoids.
  • 1/4-inch Nut Driver: The most common size for appliance screws.
  • Needle-Nose Pliers: Great for pulling wire connectors off terminals.
  • Flashlight: It is dark and cramped behind a refrigerator.
  • Vacuum with Hose: To clean the coils and fan area.

Using the right hand tools ensures you do not strip screws or damage delicate plastic connectors. Always take a photo of the wiring before you disconnect anything so you have a reference for the reinstallation.

Safety First: Working on Major Appliances

I cannot stress this enough: safety is paramount. Refrigerators contain capacitors that can hold a charge even after being unplugged. While the start relay is generally safe to handle, stay clear of the large cylindrical capacitors often found near the motor.

If you smell burning plastic or see smoke, shut off the breaker to the kitchen immediately. These are signs of a serious electrical short that goes beyond a simple DIY relay swap.

Furthermore, refrigerators are heavy. If you need to tilt the unit to reach the bottom, use a sturdy appliance dolly or have a partner help you. Never work under a fridge that is not properly supported by its own leveling legs or a secure block.

Frequently Asked Questions About Why Is My Whirlpool Refrigerator Making a Clicking Noise

How much does it cost to fix a clicking refrigerator?

If you do it yourself, a start relay usually costs between $15 and $50. However, if the compressor is the problem, repairs can exceed $500, at which point replacement is often the better choice.

Is a clicking noise a fire hazard?

While rare, a clicking noise caused by a short-circuiting relay can generate heat. The overload protector is designed to prevent fires, but you should still address the noise immediately to ensure safety.

Can I run my fridge while it is clicking?

It is not recommended. If the clicking is due to a failing start relay, the compressor isn’t running, and your food will quickly spoil. It is best to move perishables to a cooler and fix the issue promptly.

How long should a Whirlpool compressor last?

A well-maintained compressor can last 10 to 15 years. Keeping your condenser coils clean is the single best way to extend the life of your compressor and prevent it from overheating.

Final Thoughts on Silencing the Click

Diagnosing why is my whirlpool refrigerator making a clicking noise is a satisfying project that can save you hundreds of dollars in service calls. Most of the time, it is simply a matter of replacing a small electrical component or cleaning out years of accumulated dust.

By taking a systematic approach—checking the relay, inspecting the fans, and verifying the water system—you can keep your kitchen running smoothly. Remember to work methodically, keep your workspace clean, and always prioritize your safety when handling electrical parts.

Don’t let a little noise intimidate you. Grab your tools, pull that fridge out, and take control of your home maintenance. You’ve got the skills to handle this, and your wallet will thank you for the effort. Stay safe and keep tinkering!

Jim Boslice
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