WED97HEXL0 Dryer Belt – How to Diagnose and Replace the Drum Belt
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Understanding the Problem
What the drum belt does and why it fails: The drum (or drive) belt wraps around the dryer drum and connects to the motor/pulley system. When the motor runs, the belt turns the drum so clothes tumble. Over time the belt can wear, stretch, crack, or break — causing the drum not to rotate or to rotate intermittently. Worn belts can also slip and make squealing rubbing noises. Step-by-step diagnostic and repair steps: 1) Confirm the symptom: If the dryer runs (you hear the motor and/or heater) but the drum doesn't turn or turns slowly/intermittently, or you hear a loud thump/squeal when starting, suspect the belt. Also check for a visible belt shred through the lint trap opening or behind the front panel. 2) Safety first: Unplug the dryer from the wall outlet (or turn off the breaker for a hardwired unit). Work only when the dryer is fully de-energized and cool. 3) Tools and parts: Phillips and flat screwdrivers, nut driver or socket set (often 1/4" or 5/16"), needle-nose pliers, replacement drum belt (see parts list), a rag and flashlight. Optionally inspect/replace the idler pulley and drum support rollers while you have the dryer open. 4) Access the belt: For most Whirlpool dryers similar to the WED97HEXL0, remove the top panel first: locate and remove screws at the rear of the top or release clips, then lift the top. Next remove the front panel screws (under the top) and unclip the control console if required. Pull the front panel forward and set it aside (disconnect door switch connector if necessary). 5) Remove the drum: Reach in and lift the drum slightly, then slide it forward enough to clear the rear bulkhead and front glides. Note the path of the belt around the drum and idler. 6) Inspect the belt, idler, rollers and motor shaft: Look for cracks, frays, glazing, or a snapped belt. Spin the idler pulley and drum rollers by hand — roughness or wobble means replacement. Check motor shaft for damage. 7) Remove the old belt: Release tension by pulling the idler away from the motor pulley, slip the belt off the motor and idler, then remove the belt from around the drum. 8) Install the new belt: Route the new belt around the drum groove with the ribbed side facing the drum (check belt arrow if present). Feed the belt through to the idler and motor so the belt forms an S-wrap around the idler: loop the belt around the motor pulley last, then pull the idler to apply tension so the belt sits firmly. 9) Reinstall the drum and front panel: Slide the drum back into the cabinet, making sure the rear drum flange rests on the rear seal and front sits correctly on the glides/rollers. Reconnect the door switch if unplugged and reattach the front panel, top, and any consoles removed. 10) Test run: Plug the dryer back in, run a short no-heat tumble cycle. Verify the drum turns smoothly without slipping, squealing, or unusual vibration. 11) Additional checks: If the belt broke because it rubbed on a misaligned drum or a seized roller/failed idler, replace the worn component(s) now. Replacing the idler pulley and rollers at the same time is inexpensive preventative maintenance. Safety note: Always disconnect power before working inside the dryer. Keep fingers and tools clear of moving parts during testing. If you are uncomfortable with disassembly or electrical components, hire a qualified appliance technician.
Common Symptoms
Dryer motor runs but drum doesn't turn; loud thump/squeal on start; visible belt fraying or a snapped belt; clothes not tumbling or drying unevenly.
Common Causes
- Belt wear and fatigue from normal use (cracks, glazing, stretching).
- Idler pulley or drum support rollers seized or worn, causing excess friction and premature belt failure.
- Belt misrouting during prior repair or foreign object caught between drum and cabinet.
Popular Parts That Fix This Problem
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Helpful Repair Tip
Before disassembly, reach through the lint trap and spin the drum by hand. If the drum turns freely but the motor runs without moving it, the belt is likely broken. If drum resists or sounds rough, inspect rollers/idler too.
Frequently Asked Questions
Can I replace the dryer belt myself?
Yes — replacing the drum belt is a common DIY repair if you're comfortable removing panels and working safely with powered-off appliances. It usually takes 45–90 minutes. Follow the step-by-step instructions above, unplug the dryer, and take photos as you disassemble to help reassembly. If you’re unsure, contact a professional.
How do I know if I only need the belt or other parts too?
If the belt is broken or heavily glazed, replacement will fix a no-turning drum. However, if the idler pulley or drum rollers feel rough, wobble, or are visibly worn, they create extra strain and will wear a new belt quickly. Spin the idler and rollers by hand — replace any component that is noisy, rough, or loose.
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