Dryer repair

How to Replace a Dryer Drum Support Roller Kit

If your dryer drum rumbles, thumps, drags, or feels hard to turn, worn drum support rollers are a common cause. Replacing the dryer drum support roller kit usually means opening the cabinet, removing the drum, swapping the old rollers, and reassembling the belt and drum correctly.

This is a moderate repair because the dryer has sharp metal edges and the drum and belt have to come back out and go back in the right way. Work slowly, unplug the dryer first, and take a few photos as you go so reassembly is easier.

Before you start: Match the roller diameter, shaft style, and dryer compatibility before ordering.

Prepared by: Repair Riot Last updated: 2026-06-05 How we build and check guides

Safety first

  • Unplug the dryer before opening the cabinet or touching internal parts.
  • Wear gloves because dryer cabinet edges can be sharp.
  • Support the drum with both hands when removing or reinstalling it so it does not drop and bend panels or pinch fingers.
  • Take photos before disconnecting the belt or any wire harness so reassembly is safer and simpler.

Tools you may need

Nut driver set tool

Nut driver set

Use it for: Many dryers use hex-head screws on the cabinet and bulkhead.

Shop nut driver sets
Putty knife tool

Putty knife

Use it for: Helps release spring clips on some dryer tops without bending the metal.

Shop putty knives
Work gloves tool

Work gloves

Use it for: Protects your hands from sharp cabinet edges and dirty rollers.

Shop work gloves

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Step-by-step fix

Step 1: Confirm the rollers are the likely problem

  1. Unplug the dryer and pull it forward enough to work safely behind and around it.
  2. Listen to the symptom you are trying to fix: support rollers commonly cause a rumbling, thumping, scraping, or heavy dragging sound as the drum turns.
  3. Open the door and try turning the drum by hand. A rough, uneven, or resistant feel points toward worn rollers or roller shafts.
  4. If you can access the inside later, look for flat-spotted rollers, wobble, seized rollers, or dark wear marks around the roller area.

If it works: The symptoms match worn drum support rollers and replacing the kit is a reasonable repair path.

If it doesn’t: If the dryer is completely dead, has a burning smell from the motor area, or the drum feels loose in a different way, inspect the belt, idler pulley, glides, and motor before ordering parts.

Stop if:
  • You smell burned wiring or see melted insulation.
  • The drum support area is cracked, bent, or badly rusted.
  • The noise is clearly coming from the blower housing or motor instead of the drum support area.

Step 2: Open the dryer and remove the drum

  1. Disconnect the vent if needed so you can move the dryer and reach the cabinet comfortably.
  2. Remove the lint screen if it sits in the top panel, then take out any screws that secure the top or front panel.
  3. Release clips or remove screws to lift the top, then remove the front panel or front bulkhead as needed to expose the drum.
  4. Take a clear photo of the belt routing before removing it.
  5. Relieve tension from the idler pulley, slip the belt off the motor pulley, and use the belt as a handle to lift the drum out of the cabinet.

If it works: The drum is out and you can clearly reach the support roller area.

If it doesn’t: If the cabinet will not open the way you expect, pause and look for hidden screws near the lint screen housing, lower access panel, or inside the door opening.

Stop if:
  • You have to force a panel hard enough that it may bend or break.
  • A wire harness must be disconnected and you cannot mark or photograph its position clearly.

Step 3: Remove the old rollers and inspect the shafts

  1. Locate the drum support rollers, usually mounted near the rear drum support area.
  2. Remove the retaining clip, washer, or fastener holding each old roller in place. Keep the hardware in order if the new kit does not include every piece.
  3. Slide the old roller off the shaft and wipe away lint, hair, and old residue.
  4. Inspect each shaft for grooves, heavy scoring, blue heat marks, or looseness.
  5. If the kit includes new shafts, replace them now. If it does not, clean reusable shafts so the new rollers can spin freely.

If it works: The old rollers are off and the mounting points are clean and ready for the new parts.

If it doesn’t: If a clip is stuck, use needle-nose pliers carefully and work it off without twisting the shaft.

Stop if:
  • A roller shaft is badly worn, bent, or loose in the bracket.
  • The rear support bracket is cracked or the mounting hole is enlarged.

Step 4: Install the new dryer drum support roller kit

  1. Compare the new rollers to the old ones before installing them. Make sure the diameter, width, and shaft fit match.
  2. Install the new rollers and any included washers, spacers, or clips in the same order as the originals unless the kit instructions say otherwise.
  3. Spin each new roller by hand. It should turn smoothly without wobbling or binding.
  4. Avoid over-lubricating. Most replacement rollers are meant to run dry or only as directed by the part maker.

If it works: The new rollers are installed securely and spin smoothly by hand.

If it doesn’t: If a new roller binds, remove it and check for a misplaced washer, wrong clip position, or a shaft problem.

Stop if:
  • The new roller does not fit the shaft correctly.
  • The roller wobbles even when installed correctly, which usually means the shaft or bracket is worn too.

Step 5: Reinstall the drum, belt, and panels

  1. Set the drum back into the cabinet and rest its rear edge on the new rollers.
  2. Loop the belt around the drum in its original wear path, usually with the ribbed side against the drum.
  3. Route the belt back around the motor pulley and idler pulley using your photo as a guide.
  4. Turn the drum by hand several full rotations to make sure the belt tracks properly and the drum rides evenly on the new rollers.
  5. Reinstall the front bulkhead or front panel, lower the top, reconnect any door switch harness you unplugged, and reinstall all screws.
  6. Reconnect the vent if you removed it.

If it works: The dryer is reassembled and the drum turns by hand with a smoother, more even feel.

If it doesn’t: If the drum will not turn freely, reopen the cabinet and check belt routing, front panel alignment, and whether the drum is seated fully on the rollers.

Stop if:
  • The belt is fraying, cracked, or badly glazed and should be replaced before running the dryer.
  • The drum is rubbing the cabinet or front bulkhead after reassembly.

Step 6: Test the dryer under real use

  1. Plug the dryer back in and run it empty for a few minutes first.
  2. Listen for the original rumble, thump, or scraping noise. A brief light sound from new parts settling in can be normal, but the old heavy noise should be gone.
  3. Run a small load of damp laundry and confirm the drum starts, tumbles normally, and sounds smoother through a full heating cycle.
  4. Check that the dryer stays level and the vent is reconnected without kinks.

If it works: The dryer runs smoothly, the drum turns normally, and the original roller noise or drag is gone.

If it doesn’t: If the noise improved but did not disappear, inspect the idler pulley, belt, drum glides or slides, blower wheel, and rear shaft areas for additional wear.

Stop if:
  • The dryer still struggles to start, hums without turning, or makes a sharp metal-on-metal sound.
  • You notice overheating, a burning smell, or repeated belt misalignment during the test run.

Replacement Parts

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Verify the repair

  • The drum turns by hand smoothly before you fully close up the repair.
  • The dryer starts without hesitation and tumbles a small load normally.
  • The original rumbling, thumping, or dragging sound is gone or greatly reduced.
  • No burning smell, scraping, or belt-tracking problem shows up during a full test cycle.

FAQ

What are the signs of bad dryer drum support rollers?

Common signs are a rumbling or thumping noise, a drum that feels hard to turn by hand, or a dryer that drags before it gets up to speed. Flat spots and seized rollers are especially common on older dryers.

Should I replace just one roller or the whole kit?

Replace the full dryer drum support roller kit if you can. If one roller is worn, the matching roller and related hardware usually are too, and replacing them together helps the drum ride evenly.

Do dryer drum support rollers need grease?

Usually no, unless the replacement part instructions specifically call for it. Many rollers are designed to run dry, and extra grease can attract lint and shorten part life.

Can bad rollers keep a dryer from starting?

They can make the drum so hard to turn that the motor struggles, hums, or trips out, especially at startup. If the dryer still will not run after roller replacement, check the belt, idler pulley, motor, and door switch too.

How long does this repair usually take?

For a first-time homeowner, plan on about 1 to 2 hours. Taking photos during disassembly usually saves time when routing the belt and reinstalling the front panel.

Related guides

Related problem pages
Dryer hums but wont start
Dryer squeals on startup
Dryer vibrating
Related helper guides
Dryer Thumping? How to Replace the Drum Roller Kit
How to Replace a Dryer Drum Support Roller