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Quick answer
On the Amana NGD4655EW, an idler pulley that appears to touch the motor pulley is a belt-drive alignment concern, not a condition to correct by bending a bracket or moving a pulley while the dryer is assembled or powered. Amana identifies this exact model as a 6.5 cu. ft. gas dryer, and its support guidance says belt and pulley wear can create squealing and may require authorized service. Stop the dryer if the belt walks, slips, scrapes, the drum stops, or you smell burning. Keep the appliance unplugged and the gas supply off before any qualified inspection; confirm the complete model suffix and have service verify the belt route, pulley support, motor mount and correct parts. Do not treat a generic 29-inch repair kit or a nearby NGD4655EW4 parts list as proof of fit for NGD4655EW.

Work through in order
Diagnostic checks
Use only checks that match the exact appliance or system and its official guide.
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Check 1
Stop the dryer and record the symptom before further cycles: note whether the drum turns, whether the belt walks or slips, whether the idler touches the motor pulley, and whether there is scraping, squealing, burning odor or a breaker trip. Photograph the accessible belt path without reaching into moving parts.
Expected result: The drum stops or hesitates, the belt is off-center or frayed, pulley contact is visible, or there is only a noise with no visible drive symptom.
Next step: Do not run another cycle if the belt is slipping, scraping, the drum stops or a burning smell is present. Arrange qualified Amana service and provide the photos and sound description.
Why this matters
Why: A drive symptom is more urgent than an ordinary squeal. The visible contact establishes that the belt-drive geometry needs inspection, but it does not identify whether the cause is the idler support, spring, belt, motor mount or another component.
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Check 2
Read the complete rating-label identity, including any suffix after NGD4655EW, and confirm that the appliance is the gas NGD4655EW family rather than a similarly named electric model. Keep the region and production information with the service request.
Expected result: The label matches NGD4655EW exactly, shows a different suffix such as NGD4655EW4, or is incomplete or unreadable.
Next step: Give the full label to Amana or an authorized provider and require model-specific confirmation before ordering any drive part. Do not use a generic search result as a compatibility check.
Why this matters
Why: Amana's official pages identify NGD4655EW as a gas dryer, while the opened parts list for NGD4655EW4 is a separate suffix. A near match cannot establish pulley, belt, spring or motor fitment.
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Check 3
If a qualified person is going to inspect the drive area, disconnect electrical power and close the dryer's gas shutoff first, then follow the exact service documentation for this model. Do not improvise by bending the idler arm, prying the motor, stretching the spring or repositioning a pulley under belt tension.
Expected result: The inspection finds a belt routed outside the pulley groove, a pulley or arm that rocks, a displaced spring, a loose motor mount, damaged belt edges or no confirmed mechanical defect.
Next step: Stop the inspection if the correct service procedure or replacement fit cannot be verified. Reassemble all guards and panels before any test and have gas and electrical safety checked by qualified service.
Why this matters
Why: These findings can change how the belt tracks, but the correct part and adjustment depend on the model-specific assembly and the condition of the mating components. A generic belt route illustration is not a repair authorization for NGD4655EW.
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Check 4
Check only external noise contributors that do not require cabinet access: confirm the dryer is level, remove items from the top, and inspect the lint screen and lint-chute opening for accessible foreign objects with the appliance off.
Expected result: The cabinet rocks, loose objects or lint are present, or the external checks are normal while pulley contact remains reported.
Next step: Correct only the accessible condition and do not run the dryer if the belt still contacts or walks. Escalate the remaining drive issue to service.
Why this matters
Why: Amana says leveling, loose objects and lint can create rattling or squealing. Correcting those conditions may remove a noise, but it cannot make confirmed idler-to-motor contact safe or prove the drive alignment is correct.
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Check 5
Before service, document whether the dryer heats normally, whether the drum turns under load, when the sound begins, and whether the symptom changes with an empty drum. Do not repeat a cycle solely as a diagnostic test if the belt is scraping, slipping or producing an odor.
Expected result: The drum turns but noise persists, the drum stops under load, the unit does not heat, or an odor/smoke/electrical symptom appears.
Next step: Stop use for smoke, burning odor, gas odor, damaged cord or repeated breaker trips and arrange qualified service. Provide the complete model and the symptom log.
Why this matters
Why: The drive symptom may coexist with a separate gas, motor or airflow concern. The opened Amana guidance supports professional diagnosis for persistent noise and worn pulley/belt conditions; it does not justify a single-part conclusion from sound alone.
Use your observations
Decision map
Find the observation that best matches what you see, then follow the next safe action.
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PATH 01Next step
What you see
The belt is visibly walking, slipping, scraping the motor pulley or idler, the drum stops, or a burning smell occurs.
Do this next
Leave the dryer off, disconnect power and close the gas shutoff when safe, then arrange qualified service for the exact NGD4655EW suffix.
Why this path and its safety boundary
Why it matters: The drive assembly is not operating safely enough for further cycles; contact does not identify whether the belt, idler, spring, bracket or motor mount is responsible.
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PATH 02Next step
What you see
The complete label is NGD4655EW, but a proposed part listing is for a generic 29-inch kit or for a different suffix such as NGD4655EW4.
Do this next
Use the exact model with Amana or an authorized provider to confirm the part and belt-path documentation before purchasing or installing anything.
Why this path and its safety boundary
Why it matters: The listed part has not been proven compatible with this exact Amana model; nearby family or suffix documentation is not a fitment guarantee.
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PATH 03Next step
What you see
The dryer is level, the lint chute is clear and no external object explains the noise, but pulley contact or belt misalignment remains visible or reported.
Do this next
Do not bend or lubricate the pulley assembly. Arrange authorized service and preserve the no-power/no-gas condition until inspection.
Why this path and its safety boundary
Why it matters: The remaining issue is inside the belt-drive assembly and requires model-specific inspection; external noise checks have not proved a safe alignment.
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PATH 04Next step
What you see
Only a normal age-related squeal is present, with no belt tracking problem, drum stoppage, odor or visible contact.
Do this next
Schedule service if the noise persists or worsens, and have the provider verify the exact part rather than ordering a generic kit from the sound description.
Why this path and its safety boundary
Why it matters: Amana says belt and pulley wear can cause squealing, but the sound alone does not identify which component needs replacement.
Helpful context
Understand the symptom
Treat contact between the pulleys as a stop condition
The drive belt runs around the drum and is tensioned by the idler pulley before reaching the motor pulley. If the idler wheel is visibly contacting the motor pulley, the belt path, support, spring, motor mount or a related part may be out of position, but the observation alone does not identify which one. Running the gas dryer to see whether the contact improves can turn a tracking issue into belt, pulley or motor damage. Preserve a photo and stop the appliance until the exact drive assembly is inspected safely.
Confirm the exact NGD4655EW identity before parts selection
Amana's product page and specification sheet confirm the NGD4655EW base model as a gas dryer, but suffixes and production revisions matter for parts. A later Amana repair-parts list opened for NGD4655EW4 is a different suffix, and the generic Amana 29-inch maintenance kit expressly says to check model compatibility. Use the complete rating-label model before accepting an idler, belt, spring, bracket or motor listing.
Separate pulley alignment from ordinary dryer noise
Amana lists leveling, loose objects, lint buildup and age-related belt or pulley wear among possible sources of squealing or rattling. Those checks can explain a noise, but they do not authorize moving an internal pulley or prove that a pulley touching the motor is correctly aligned. A belt that walks, scrapes or loses tension is a service issue, especially on this gas model.
Common questions
FAQ
Should I keep running the Amana NGD4655EW if the idler pulley touches the motor pulley?
No. If the belt is scraping, walking or slipping, the drum stops, or a burning smell appears, leave the gas dryer off and arrange qualified service. The contact does not identify which drive component is misaligned.
Can I use a generic 29-inch Amana dryer repair kit on NGD4655EW?
Not without exact compatibility confirmation. Amana's generic kit page says to check the model number, and a parts list for NGD4655EW4 is a different suffix from NGD4655EW. Confirm the full rating-label model before ordering.
Does a squeal prove the idler pulley is the problem?
No. Amana lists leveling, loose objects, lint and age-related belt or pulley wear as possible noise contributors. A squeal can support inspection, but it does not select one replacement part or prove that the pulley is touching the motor.
Read the exact guide
Official sources
- 6.5 cu. ft. Gas Dryer with Wrinkle Prevent Option White NGD4655EWAmana · Official Amana product page for the exact assigned NGD4655EW base model; used for identity and gas-appliance scope, not for internal pulley fitment.
- Dryer Maintenance Kit for 29-IN Models - Includes an Idler Pulley, Belt, and RollersAmana · Official Amana accessory page used only to show that a generic 29-inch kit requires model compatibility checking and power isolation; no fitment is claimed for NGD4655EW.
- AMANA Gas Dryer Repair Parts List NGD4655EW4Amana · Opened official Amana parts list for NGD4655EW4 only. It is used to demonstrate suffix sensitivity and is explicitly not treated as proof of fit for the assigned NGD4655EW.
- AMANA 6.5 cu. ft. Gas Dryer NGD4655E Specification SheetAmana · Official Amana specification sheet naming the assigned NGD4655EW model and gas configuration; it does not establish a pulley part number or repair procedure.
- Squealing or Squeaking Sound - DryerAmana · Official Amana dryer guidance used for leveling, loose-object, lint and age-related belt/pulley noise considerations; it does not diagnose the assigned model's internal alignment from sound alone.
- Installation Instructions for W10606694 L.P. Conversion KitWhirlpool · Official Whirlpool-hosted instruction sheet used only for the generic belt/idler/motor pulley relationship and power/gas isolation warning. It is not the assigned NGD4655EW service manual and supplies no Amana fitment claim.
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