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📝 Real Service Call · Pasadena · September 2026 · 4 min read

A Loud Whirlpool Dryer in Pasadena, Opened Up: The Worn Pulley and the Lint Around It

A Pasadena homeowner’s Whirlpool front-load gas dryer had started making a loud noise on every cycle. The request came in through Google on a Friday afternoon; by 11 on Saturday morning the dryer was quiet again. Here’s what a noisy dryer looks like from the inside — and why the noise was the smaller of the two problems.

✅ $85 Diagnostic · Applied to repair
Real Service Call · Pasadena
September 2026 · 4 min read · Whirlpool WGD6620HC gas dryer · Idler pulley replacement and cabinet cleaning

Friday, 4:01 p.m.: “Whirlpool dryer is making a loud noise”

The lead arrived through Google Local Services at 4:01 on a Friday afternoon with a model number and a one-line description. Our booking system confirmed a Saturday 9-to-11 window within the minute, and the technician checked in at 10:12 Saturday morning. Total time on site: 46 minutes.

Whirlpool front-load washer and WGD6620HC gas dryer pair in a Pasadena laundry room
The Whirlpool pair in a Pasadena laundry room. The dryer, a WGD6620HC gas model, is on the right.

What a loud dryer looks like with the drum out

A dryer has exactly one moving system: a motor turns a belt that turns the drum, and a small spring-loaded wheel — the idler pulley — keeps that belt tight. The idler pulley spins every second the dryer runs, on a small bearing, inside a hot, linty box. When the bearing wears, the pulley starts to squeal, then roar, and eventually seizes and shreds the belt. This one was well along.

Close-up of a Whirlpool dryer idler pulley and tension arm inside the cabinet
The idler pulley and its tension arm with the belt off. A worn pulley bearing is the most common source of a loud, rhythmic dryer noise.

The second finding was the one nobody had called about. With the drum out, the cabinet floor and the burner area were carpeted in lint — the fine stuff that slips past the screen on every load and settles around the motor, the blower and, on a gas dryer, the burner. That isn’t a noise problem. That is fuel for a dryer fire, sitting next to the flame.

Whirlpool gas dryer with the drum removed showing the motor, blower and burner assembly covered in lint
Drum out: the motor, blower and gas burner assembly under a blanket of lint. Every load adds to it; nothing removes it but a cleaning.

The repair: one part, one cleaning, 46 minutes

New idler pulley — the Whirlpool part is $58 — belt inspected, the full cabinet vacuumed and brushed clean, blower and burner area cleared, drum back in, test cycle: quiet. $323 total: $260 for the cleaning and installation, $58 for the pulley, with the $85 diagnostic credited toward the work. For context, the median dryer repair in our records is $335.

What this means if your dryer is getting loud

Two things. A dryer that suddenly gets loud is telling you a bearing is dying — the idler pulley, a drum roller or the rear drum bearing — and it is a cheap repair right up until the belt shreds or the motor overheats. And a dryer that has run for years without the cabinet opened has lint where you cannot see it, no matter how faithfully the screen gets cleaned. In our own records, 173 of the 1,187 dryer jobs we have done — 15% — came in as noise complaints.

See what a lint-packed dryer looks like before it becomes a burning smell. If your Whirlpool, Maytag or Samsung dryer is squealing, thumping or roaring anywhere in Pasadena, Altadena, San Marino or Glendale, we do this same-day, 7 days a week — washer & dryer repair in Pasadena, Whirlpool repair in Pasadena, and real prices from 3,600+ repairs.

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FAQ

Common questions answered.

Almost always a bearing. A worn idler pulley squeals and then roars; worn drum support rollers thump on every rotation; a failed rear drum bearing grinds; a coin or bra wire in the blower wheel rattles. On this Pasadena WGD6620HC the idler pulley was the source. Noise that appears suddenly and gets louder within days is a bearing, and it is cheapest to fix early.
Not for long. A seizing idler pulley shreds the belt and can overheat the motor, and the lint that collects inside the cabinet over the years sits next to the heating element or gas burner. Stop using it and have the cabinet opened - the repair is small now and larger after the belt goes.
This job came to $323: $58 for the Whirlpool idler pulley and $260 for the installation and a full cabinet cleaning, with the $85 diagnostic credited. The median dryer repair in our Los Angeles County records is $335.
This request came in through Google Local Services at 4:01 on a Friday afternoon, was confirmed for a Saturday 9-to-11 window within a minute, and the technician was on site at 10:12 and finished at 10:58. Common Whirlpool and Maytag dryer parts such as idler pulleys, belts and rollers are carried on the truck, so most noise repairs are completed in the first visit.
Yes. The screen catches most of the lint, not all of it, and what gets past settles inside the cabinet around the motor, blower and burner where you cannot see it. A cabinet cleaning every couple of years, or whenever the dryer is open for a repair, removes that buildup. The exhaust vent to the outside needs its own cleaning on the same schedule.