Maytag Dryer Making Noise — Thumping, Banging, Rattling, and Grinding Fix Guide

Common Symptoms

• Loud thumping or banging noise every few seconds while the drum rotates
• Rhythmic knocking that speeds up and slows down with the drum
• Rattling or clanking that changes when load shifts inside the drum
• Grinding or metal-on-metal scraping sound during operation
• High-pitched squealing when the dryer first starts, quieting after warm-up
• Loud bang when a heavy item shifts during tumbling
• Scraping sound from the drum area when rotating — louder on one side

Most Likely Causes

1. 1

   Worn Drum Support Rollers — Most Common Rhythmic Thumping Cause

   Maytag dryers use two rubber drum support rollers (also called drum wheels) mounted on the rear bulkhead to support the weight of the drum as it spins. Over time — especially with heavy or frequent loads — the rubber flattens on one side (flat-spotting) or the roller shaft bearing wears out. A flat-spotted roller creates a distinct rhythmic thump once per roller revolution, which sounds like a heartbeat or knocking that cycles about once every 3–5 seconds. The thumping is loudest at the start of a cold cycle and may quiet slightly once the rubber warms up. Maytag drum rollers (part WP349241T or equivalent for your model) should be replaced in pairs — if one has worn out, the other is close behind. The repair involves removing the drum and takes 60–90 minutes.

2. 2

   Worn Drum Glides (Drum Slides / Drum Bearing Pads)

   Drum glides are small plastic or composite pads mounted on the inside of the front bulkhead that the drum lip rides across as it rotates. They reduce friction between the spinning drum and the stationary front panel. When the glides wear through, the bare metal drum lip contacts the metal or plastic bulkhead, producing a scraping, grinding, or squealing sound — especially when the drum carries a heavy load. Visually inspect by opening the dryer door and looking at the front drum edge: worn glides will have no visible plastic pad, just shiny metal-on-metal contact. Glides typically come as a kit (front glide strips + nylon pads) and cost $15–$25.

3. 3

   Foreign Object Trapped Between Drum and Housing

   Coins, bra underwires, buttons, small toys, and hair ties are the most common items that slip past the drum felt seal and get trapped in the gap between the drum and the front or rear housing. These items create an irregular rattling, clicking, or scraping sound that changes in frequency and volume as the drum rotates and the item moves around. The noise is often loudest at the 6-o'clock position (bottom of the drum). To check: run the dryer for 10 seconds, stop it, and manually rotate the drum slowly by hand while listening. A foreign object will create an irregular scrape or click at the same drum position each rotation.

4. 4

   Worn or Fraying Drive Belt (WPW10006384)

   The drive belt WPW10006384 is a long, thin rubber belt that wraps around the entire drum circumference and drives rotation via the motor pulley and idler pulley. A worn belt develops fraying, glazing, or surface cracks that cause a thumping or slapping sound as the worn section hits components during rotation. A belt that has partially delaminated will produce intermittent slapping that is worst at one specific drum position. A belt nearing the end of its life may also cause the drum to spin inconsistently. Inspect the belt through the front panel opening — look for glazing (shiny surface), visible fraying on the edge, or longitudinal cracks.

5. 5

   Failing Idler Pulley (WP691366)

   The idler pulley WP691366 maintains tension on the drive belt. It is a small wheel on a spring-loaded arm that keeps the belt taut against the drum and motor pulley. When the idler pulley's bearing wears out, it produces a high-pitched squealing, chirping, or grinding sound during operation — often loudest in the first few minutes of a cycle before the bearing warms up. A completely seized idler pulley prevents the drum from rotating entirely. To inspect: remove the front or back panel, locate the idler arm (a pivoting arm with a wheel near the motor), and spin the wheel by hand — a good pulley spins freely and silently; a bad pulley grinds or wobbles on its shaft.

Quick DIY Checks

1. 1Identify the noise type and isolate the source: run the dryer with a single wet towel inside. Listen for the pattern — rhythmic thumping (every few seconds, tied to drum speed) points to drum rollers or a flat-spotted belt. Irregular rattling that changes when the load shifts points to a foreign object or loose item. Constant grinding or scraping regardless of load position points to worn drum glides or a failing idler pulley. A squeal that fades after 2–3 minutes points to the idler pulley bearing. Note whether the noise changes when you push slightly on the dryer door while running — if it does, the front drum glides or felt seal are involved.
2. 2Check for foreign objects: unplug the dryer. Open the door and shine a flashlight around the gap between the drum edge and the front bulkhead (the gap where the felt seal is). Look for coins, bra underwires, or other items. If you can see something, try to retrieve it with needle-nose pliers. Also check the drum fins (the baffles inside the drum) — small items get trapped under cracked or loose drum fins. Manually rotate the drum slowly and listen for the exact drum position where noise is loudest — at that position, the object is at the bottom of the gap.
3. 3Inspect drum glides and drum felt seal: open the dryer door and look at the front drum lip — run your finger along the glide pads on the front bulkhead. New glides have a distinct plastic surface; worn-out glides are flat, shiny metal. Also check the front felt seal by pressing your finger into it — it should compress and spring back. If the drum is sagging at the front (lower at the front than the back), the glides are gone and the drum is resting directly on the bulkhead. Remove the front panel to access the glides (typically 2 screws at the top and snap clips at the bottom of the lower panel, then the full front panel pivots up). Glide kits for Maytag models typically cost $15–$25.

1. 4Inspect drum support rollers (rear): access requires removing either the front panel + drum or the rear panel depending on the Maytag model. On most MED/MGD models the rollers are accessed from the front — remove the front panel, lift and rotate the drum out, then inspect the two rollers on the rear bulkhead. Spin each roller by hand: a good roller spins freely and silently. A worn roller feels rough, has flat spots you can see, or wobbles. Also squeeze the rubber — if it's hardened and cracked rather than firm and smooth, it's due for replacement. Replace both rollers at the same time. Part number WP349241T is common across many Maytag/Whirlpool dryer models — confirm with your model number.
2. 5Inspect the drive belt and idler pulley: with the drum removed, inspect the belt WPW10006384 — look at both flat sides for glazing, cracks, or fraying at the edges. A healthy belt is matte black and pliable; a worn belt feels stiff, has visible cracks, or shows shiny spots. Spin the idler pulley wheel by hand — it should spin freely with no grinding or wobbling. Wobble indicates a worn shaft bearing; grinding indicates a failed bearing. If replacing rollers, it's cost-effective to replace the belt and idler pulley at the same time since all components are fully accessible and the parts kit (rollers + belt + idler) typically costs $35–$60.
3. 6Check blower wheel for objects or lint packing: the blower wheel on Maytag dryers is typically accessible from the back panel. A coin or button that made it past the drum can end up in the blower housing, causing a loud rattling or knocking. Remove the back panel (6–8 screws), locate the blower housing cover, remove it, and visually inspect the blower wheel for objects or solid lint packing. The blower wheel should spin freely by hand. Also inspect the blower wheel hub — if it's loose on the motor shaft, it rattles badly and needs tightening or replacement.

Repair vs Replace

Recommended Tools & Parts

• Drum Support Roller Kit — WP349241T

  OEM Maytag/Whirlpool rear drum support roller set. Replace both rollers at the same time. Rhythmic thumping once per drum revolution is the classic symptom. Fits MED5630HW, MGD5630HW, MED6630HW, MGD6630HW, and most Maytag/Whirlpool dryer models — confirm model fit before ordering.

  $20–$35

  Buy on Amazon →

• Drum Glide Kit

  Front drum glide pads for Maytag dryers. Replaces the plastic bearing surfaces the drum lip rides on at the front bulkhead. Grinding or scraping from the front drum area is the key symptom. Search your model number for the correct glide kit.

  $15–$25

  Buy on Amazon →

• Drive Belt — WPW10006384

  OEM Maytag/Whirlpool drum drive belt. Thumping or slapping noise from a worn belt. Inspect both sides for glazing, cracks, and fraying. Cost-effective to replace when replacing rollers since drum access is already required.

  $15–$25

  Buy on Amazon →

• Idler Pulley — WP691366

  OEM Maytag/Whirlpool drive belt idler pulley. Squealing or chirping during operation, especially when cold, is the classic symptom. Replace alongside the drum rollers and belt for a complete drum bearing service.

  $15–$25

  Buy on Amazon →

Links are Amazon affiliate links (tag: fixitfastai-20). Prices are estimates.

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