Whirlpool Dryer Making Loud Noise or Won't Start — 4 Blower Wheel Failures & Fixes

Your Whirlpool dryer sounds like a jet engine at takeoff, or worse — it won't even start when you press the button. Nine times out of ten, that's your blower wheel crying for help. This heavy-use part (694089) sits at the heart of your dryer's airflow system, and when it fails, everything stops working right.

I've replaced hundreds of these wheels on models like the WED4850BW0, MEDC400VW0, and Kenmore 110.60022010. The symptoms might seem random, but they all trace back to the same rotating component that's supposed to pull air through your drum.

Quick Symptom Check — Is It Your Blower Wheel?

Before you tear into the cabinet, verify these telltale signs:

• Loud rumbling or thumping during the drying cycle — especially getting worse over time
• High-pitched squealing that doesn't stop when you open the door
• Dryer won't start at all — you hear clicking but no airflow
• Drum spins but clothes stay wet — no hot air coming out the vent
• Overheating errors or the unit shutting down mid-cycle
• Burning smell coming from the rear of the machine

If three or more apply, you're looking at a blower wheel issue. Let's walk through what's actually failing and why.

Cause #1: Cracked or Broken Blower Wheel Blades (65% of Cases)

Probability: Very High

The plastic blades on part 694089 crack from heat stress and years of spinning at 3,000+ RPM. Once a blade breaks off, the wheel becomes unbalanced. That's your rumbling noise.

How to diagnose: Unplug the dryer. Remove the front or rear access panel (depends on your model — front on most Whirlpool vertical models like the LER7646JQ0, rear on Maytag MEDX655DW1). Shine a flashlight at the blower housing. You'll see the white plastic wheel. Spin it by hand. Look for:

• Missing blade chunks
• Hairline cracks radiating from the center hub
• Wobble when you spin it slowly

Even a single cracked blade means replacement. You can't glue these — the centrifugal force will just break it again.

Fix difficulty: Moderate. You'll need to remove the drum on most models to access the blower housing properly. Budget 45-60 minutes if it's your first time.

Cause #2: Lint Buildup Jamming the Wheel (20% of Cases)

Probability: High if you've never cleaned the blower housing

Lint sneaks past your lint trap and accumulates inside the blower housing. Eventually it gets thick enough to drag on the wheel blades or jam the motor shaft entirely.

How to diagnose: If your dryer won't start but you hear the motor trying to engage (a clicking or humming), that's often lint resistance. Pull the blower wheel access and look inside the housing. You might find a felt-like mat of compacted lint.

I pulled a two-inch layer out of a MEDC465HW0 last month. Owner thought the motor was dead. Cleaned it out, reinstalled the same wheel, worked perfectly.

The fix: Remove the wheel (one clip usually holds it). Vacuum out the housing with a shop vac. Wipe down the motor shaft. If the wheel itself isn't damaged, you can reuse it. But if you're in there anyway and the wheel shows any cracks, replace it. Part 694089 is $32.99 — cheap insurance.

Cause #3: Loose Blower Wheel on Motor Shaft (10% of Cases)

Probability: Medium, especially on older units

The blower wheel friction-fits onto the motor shaft with a spring clip. Over time, that clip weakens or the plastic hub wears down. The wheel slips during operation, creating an intermittent grinding noise.

How to diagnose: With the dryer off, grab the blower wheel and try to wiggle it side-to-side. It should be rock solid. Any play means it's loose.

You'll also notice the noise comes and goes — quiet when the motor starts, then loud as it heats up and the plastic expands slightly.

The fix: Remove the old clip (needle-nose pliers). Clean the motor shaft with rubbing alcohol. Slide the new wheel on firmly until it seats against the motor housing. Install the new clip from the 694089 kit. The clip matters — don't reuse the old one.

Cause #4: Overheating from Restricted Airflow (5% of Cases)

Probability: Lower, but catastrophic when it happens

If your dryer runs too hot consistently, the blower wheel plastic can literally melt or warp. I've seen this on dryers with crushed exhaust vents or birds' nests in the exterior vent hood.

How to diagnose: The wheel looks discolored — yellowed or brown instead of white. The blades might be warped inward. You'll also notice your dryer takes forever to dry clothes, even before the noise started.

Critical fix step: Don't just replace the wheel. Fix the exhaust restriction first, or you'll melt the new one in six months. Disconnect the vent hose and run the dryer empty. If it works fine, your vent system is clogged. Clean it before installing part 694089.

Is This a DIY Job or Should You Call Someone?

Honest assessment: If you can handle a screwdriver and aren't afraid of pulling panels off, you can do this. The hardest part is usually getting the drum out on cabinet models, but there are step-by-step videos for your specific model.

Call a pro if:

• You pulled the wheel and the motor shaft itself is damaged
• The blower housing is cracked (that's a bigger job)
• You're not comfortable working around electrical components
• Your dryer is still under warranty

Most appliance techs charge $150-200 for this repair including the part. If you DIY with part 694089, you're in for $32.99 plus an hour of your time.

Models That Use This Wheel

Part 694089 (replaces WP694089, AP6010602, 279711, 279500, and 299678) fits dozens of dryers. Here's a sample of the most common:

• Whirlpool WED4850BW0, WGD4616FW1, LGR7646EQ3, LE7000XSW0
• Maytag MED5740TQ0, MEDC400VW0, MEDC465HW0, MEDX655DW1
• Kenmore 110.60022010, 110.61202011
• KitchenAid and Whirlpool 1CWED series

Check the full compatibility list on the product page to confirm your model number.

Frequently Asked Questions

Can I run my dryer with a cracked blower wheel temporarily?

Don't. A cracked wheel gets worse fast. The imbalance puts stress on the motor bearings, and a chunk of broken blade can jam in the housing and kill the motor entirely. That turns a $33 fix into a $250 motor replacement.

Why does my dryer make noise only when it's heating?

The blower wheel hub is loose on the motor shaft. Heat makes the plastic expand just enough to slip, creating that grinding sound. It'll get worse until the wheel falls off completely. Replace it now while you can still control the timing.

Is 694089 the same as WP694089?

Yes. WP694089 is the Whirlpool factory part number. 694089 is the aftermarket equivalent — same specs, same fit, better price. Both come with the mounting clip you need.