27155 Speed Queen Drive⤠Belt is a reinforced flexible power-transmission â˘loop used in Speed Queen laundryâ appliances to transfer rotational force from the drive âmotor to the drum â¤orâ transmission assembly. As a mechanical⢠belt element-typically constructed from rubber or a rubber-composite with internal reinforcement-it functions as the âŁprimary torque link⣠between the motor âpulley and⣠the driven pulley(s) in conventional belt-driven washer and⣠dryer designs.
Within the appliance, theâ drive âbelt interfaces with the motor âŁshaft,â motor pulley, âidler or tensionerâ pulleysand the drum or transmission input pulley. Its condition âand tension directlyâ affect drum speed,⤠torque deliveryand load-handling behavior; improper belt fit,⤠glazingor âloss of tension canâ cause slipping, increased motor load, âabnormal noiseand premature â˘wear on âpulleys and bearings. The belt therefore âinteracts with the motor driveâ system, clutch or brake assemblies where presentand the appliance suspension and bearing systems âthat transmit⣠and âreactâ to rotational forces.
This article will provide⤠a technical overview of â˘the 27155 drive belt⢠covering its functionalâ role, compatibility considerations (model fitment and profile characteristics),⣠common failure symptoms toâ recognize (noise, slip, burning⣠odor, visible damage), diagnostic checks to isolate belt-related problems versus motor or pulley faultsand practical replacement considerations âsuch as correct part selection,⤠routing, tensioning principlesand âsafety precautions⢠for service. The goalâ is to equip technicians,â engineersand appliance owners with the data needed to assess belt condition, determine⢠compatibilityand plan âappropriate⤠troubleshooting or replacement actions.
Table ofâ Contents
- Function and⣠Role⤠of the Drive Belt in Washer Power Transmission and â¤Drum rotation
- How the 27155 Speed â˘Queen Drive Belt Operates Within âthe Motor, Pulleyandâ Transmission Assembly
- Common Failure Symptoms, Wearâ Patternsand Mechanical Causes âof drive⤠Belt Faults
- Compatibility, âReplacement â˘Considerations, Installation â¤Proceduresand Diagnostic Tests for the 27155 Driveâ Belt
- Q&A
- Final Thoughts
Function âand Role of the Drive Belt in âWasher Power Transmission and Drum⤠Rotation
theâ drive belt transfers torque⣠from the washerS motor and gearcase assembly to the drum, converting rotational energy into the controlled spin and⤠agitate motions that the âŁtub ârequires. Theâ 27155 Speed Queen âDrive⣠Belt âis sized and profiled to match the âpulley geometry and tensioning⤠arrangement used on specific speed Queen top-load models; correct beltâ geometry and tension determine⢠drive ratio, torque âŁdelivered to theâ tub, â˘and the contactâ friction that prevents âslip. In practice,⣠the belt wraps around âthe motor pulley, âany idler or â˘tensioner pulleysand the transmission or drum pulley; differences âin pulley diameters create the effective speed reduction and⣠torque multiplication needed for wash and⤠spin cycles, so an exact-match replacement â˘preserves factory spin âRPM⤠and load-handling behavior.
Overâ time belts wear throughâ glazing, edge fraying, crackingor loss of elasticity, producing âŁsymptoms that are diagnostic for technicians andâ appliance owners. Replacing a worn belt⣠with the correct specification helpsâ restore normal spin speeds, reduces⤠motor overheatingand⢠prevents intermittent âŁslippingâ that can trigger imbalance or fault codes. When âinstalling a replacement, â˘verify pulley alignment,â idler bearing conditionand tension: an over-tightened belt accelerates bearing âwear and an under-tensioned belt will âslip under load.Common observableâ symptoms and checks include:
- Audible â˘squeal during acceleration or âŁspin (indicates slip or glazing)
- Intermittent â˘or âreduced drum spin speed under load â(slip or incorrectâ belt⢠length)
- Visible cracking, frayed edges,⣠or shiny/glazed surfaces on the belt
- Excessive heat at âmotor or pulley bearingsâ (may indicate misalignmentâ or improper tension)
| Item | Description |
|---|---|
| part | 27155â Speed Queen Drive Belt -â OEM-design belt matched to pulley profile and length |
| Function | Transmit motor torque to the âŁdrum/transmission while maintaining correct speed ratio |
| Compatibility | Intended for â˘specific Speed Queenâ models; verify model ânumber âand pulley arrangement⤠before⢠replacement |
How the 27155 Speed Queen drive âBelt âoperates Within the Motor, Pulley,â and transmission Assembly
The 27155 Speed Queen drive Belt transmits⣠torque from the motor pulley through the pulley train âŁto the transmission input, coupling âthe motor’s rotational energy to theâ transmission and⢠drum.In operation the belt rides in the⣠pulley groovesâ and across⣠anyâ idler or tensioner used in the assembly; proper groove profile and seating ensure a consistent frictionalâ interface âso torque is transferred without âslip. Compatibility is⤠mechanical âas well as dimensional: the beltâ must matchâ the pulleyâ diameters, groove profileand recommended tension range for the specific Speed⢠Queen transmission and drum geometry to maintain âcorrect speedâ ratio and avoid abnormal⤠wear or â¤noise.
Load transfer and durability are governed âby belt⤠tension, alignmentand the condition of surrounding âbearings and pulleys. Excessive âŁor insufficient belt â¤tension âdegrades efficiency – too⣠loose and the⤠belt slips under peak loads (agitation or drum start), too tight and it âŁincreases bearing load and shortens belt life.Inspect for glazing, fraying,â heat hardeningor oil contamination; these signs indicate reduced friction capacity and impending failure. For practicalâ service, â˘verify correct routing, measure âŁtension against manufacturer limits,â and⣠replace â˘the belt when â¤wear⣠patterns or transferred debris suggest compromised â¤function⤠to prevent⣠transmission or motor damage.
- Routing and seating: confirm belt sits fully in pulley grooves and around any idler or tensioner.
- Tension check: measure for ârecommended deflection or force; adjust per model specification.
- Wear indicators: glazing,â cracks, shredded edgesor burn marks â˘signalâ replacement.
| item | Description |
|---|---|
| Material | Elastomer⢠compositeâ with tensile cords âdesigned âfor flex fatigue and frictional grip |
| Function | Transmit torque between motor⢠pulley âand transmission input while accommodating misalignment and damping shocks |
| Common failure modes | Slip⣠from⣠loss of âfriction,â elongation, abrasion fromâ misaligned pulleys, thermal degradation |
| Maintainance⣠tip | Check pulley âalignment and bearings when replacingâ the belt to prevent â˘repeat failure |
Common Failure Symptoms, Wear Patternsand â˘mechanical â˘causes of Drive Belt Faults
The 27155 speed Queen Drive âBelt transmits motor torque to the transmission or âŁdrum and will exhibit predictable failure symptoms as âŁitsâ compound degrades or⤠as⣠mechanical interfaces deteriorate. Early signs include audible âŁsquealâ during start-up, âintermittent spinning of the basket, â¤and a burned-rubber â¤odor duringâ heavy â˘cycles; these symptoms âcorrelate to loss of friction or reduced belt tension rather âthan electronic orâ transmission faults. Because this part must âmatch the correct profile and length for a given Speed⣠Queen model, an otherwise healthy-looking belt that is undersized, over-stretchedor the wrong â¤cross-section canâ produce the sameâ operational symptoms as a physically damagedâ belt.
- High-pitched squeal at start or under load (glazed friction surface)
- visible⤠fraying at edges or longitudinal cracks (mechanical abrasion or age)
- Intermittent or no drum rotation despite motor running (slip or â˘broken belt)
- Progressive âloss of⢠spin⤠speedâ and increased cycle time (elongation/stretch)
| Item | Description |
|---|---|
| Glazing | Smooth,shinyâ belt face caused by heat or⢠contamination,reduces grip and causes slip |
| Edge fray or chunking | Edges âŁworn or pieces missing from âimproper pulley alignment or foreign debris |
| Elongation | Permanent âstretch⣠from age or overload that reduces effective tension and causes slippage |
Mechanically,the most common root causes are misalignment of pulleys,failed idler/tensioner components,contaminated belt surfaces from â˘oil or fabric softener,and bearingâ or motor âŁissues thatâ alter load â˘dynamics. â˘For example,⣠a seized idler âŁallows âŁthe⤠belt to âŁride on aâ single edge and â˘causes rapid fraying; worn motor bearings increase radial runout and led â˘to uneven⢠wear patterns.⢠Routine âinspection should âfocus⢠on â˘belt seating âin pulley grooves, even contact across the full belt widthand absence⤠of âcontamination-replacing theâ belt⢠and correcting the underlying pulley, bearingor âŁtensioner fault âisâ required to prevent repeat failure.
compatibility, Replacement Considerations, Installation Proceduresand Diagnostic Tests for⢠the 27155⤠Drive â˘Belt
The 27155 Speed Queen Drive Belt serves⤠as the mechanical link⣠between the â˘motor and the â˘drum or transmission; compatibility depends onâ belt⤠profile, lengthand theâ pulley geometry â¤used in the specific âSpeed Queen model. when⤠selecting â˘aâ replacement, match the belt cross-section âand â¤rib count âto the original andâ verify⢠fit against the â¤machine’s parts list or âphysical measurements; belts with âincorrect profiles will ride improperly on âŁpulleys, accelerate⤠wearand can cause slippage â¤or abnormal âloads on âthe motor and idler bearings. Inspect ârelated components – âidler/tensioner, motor⣠pulley, âand drum grooves – âas â¤a new belt willâ failâ prematurely if pulleys are scored,â bearings are wornor alignment âis off. Typical failure indicators include glazing,â longitudinal cracks, missing ribs, frayedâ edgesand persistent slipping âunder â¤normal âload conditions.
- Pre-install checks:⣠confirm part⣠number/model fit, clean pulley grooves, inspect bearings and tensioner for âŁplay.
- common symptoms indicating⢠belt replacement: âloud squeal on startup, âdrum not turning under⤠motor load, visible belt damageandâ increased motor âcurrent during spin.
- Rapid⢠functional test after install: hand-rotate the drum to verify smooth⣠tracking before applying power.
| Item | Description |
|---|---|
| Part | 27155 Speed Queen Drive Belt – OEM-design replacement for select â˘Speed Queen units; confirm model compatibility and belt âprofile. |
Installation begins withâ safety isolation: disconnect power and â¤remove the appropriate access panels. â˘Route the belt⢠per the service diagram,loop it around the âdrum âand motor pulley,and engage the idler/tensioner while checkingâ that âthe belt seats fully in each groove; avoid twisting the belt and ensure âthe drum tracks concentrically on its bearings. After reassembly, perform diagnostic tests: run the machine unloaded and listen for⢠unusual noises, observeâ drum acceleration for slipand compare motor current toâ baseline valuesâ to detect excess loading â˘from misalignment or seized bearings. âIf problems persist, re-inspect pulley faces and bearing play – replacing the belt alone is ineffective without addressing the root mechanical cause.âŁ
Q&A
Whatâ is Speed Queenâ part numberâ 27155?
Part âŁ27155 is âŁa replacement drive belt sold for Speedâ Queen âlaundry appliances. It is the looped belt that âŁtransfers â˘power from the motor/drive mechanism to the drum or transmission. Confirm compatibility by â˘matching your appliance â˘model number to âthe âŁSpeed Queen parts list â˘or the parts â˘seller’s cross-reference.
How do⤠I know⤠if the 27155 drive belt is worn or needs replacement?
Common âsigns of a worn âdrive belt are visible cracks, fraying, glazing (shiny/slick surface), missing ribsâ (for ribbed belts), audible squeal â˘duringâ operation, slipping (drum hesitating or not turning under load)or the drum not turning at âall. Inspect the âŁbelt visually and⣠by feel; if it’s stretched, brittleor damaged, replace it.
Which Speed Queen models use the â27155 belt?
Speed Queen uses multiple belts across different washer and dryer lines. The âexact model compatibility for part 27155 varies, so the safest âŁmethod is to check â˘your appliance’s model number (usually on a âŁtag inside â˘the⤠door opening, onâ the â¤rearâ panelor behind the â˘top âcover) and verify it against Speed Queen’s parts list⢠or âŁa reputable parts vendor’s compatibility chart.
what tools âŁand âŁsafety steps are needed â¤to replace âthe 27155 belt?
Basic tools âtypically include a screwdriver (Phillips and/or flat), a socket set or ânut driversand possibly pliers. âsafety steps: unplug the appliance or switch off power â˘at âthe breakerand for â¤gas dryers also shut off the gas⤠supply. Allow moving âparts to cool, work on a stable surfaceandâ keep hands clear of pinch⣠points. âIf you’re not comfortable working on appliances,hire a âŁqualified technician.
How do I install the 27155â drive belt (overview)?
Installation overview:⢠1) Disconnect power⤠and access â˘the drum/motor area per your⤠model (rear panel, front panel,â or top).⣠2) Remove the âold belt from the drum and motor/idler.⣠3) Route the new belt around the âŁdrum according to the routing â¤diagram for your model and loop it around the motor pulley and/or idler pulley. 4) Ensure â˘the âbelt is seated âinâ grooves âŁand âhas âproper tension (idler should âŁapply⣠tension for dryer belts). 5) Reassemble panels and test run. Followâ the service manual for âmodel-specific removal â˘andâ routing instructions.
How should the 27155 belt be routed and tensioned?
Routing varies by â¤model-some machines use an idler pulley to maintain⢠tension, others have a direct-apply belt to a drum and transmission.The belt should lie flat âin the drumâ grooves and around⤠pulleys without twisting. Proper tension is âenough to prevent slippage but not âŁso⣠tight⢠as to overstress âŁbearings; on idler systems, the â˘idlerâ spring âŁprovides the correct⣠tension. Consult the service manual or routing diagram on the âŁappliance for exactâ routing.
What troubleshooting steps â¤should I take if â˘the âdrum â˘is⢠noisy or slipping â˘after installing the 27155 belt?
Ifâ noise or âŁslipping occurs after replacement, check that the belt âis correctly routed âŁand fully seated â¤in pulley grooves,â that the idler âpulley â˘spins freely â¤and the⢠spring provides tensionand that motor and drum bearings are not worn. âSquealing â˘oftenâ indicates misalignment, a glazedâ beltor aâ seized idler/motor bearing. âReplace any worn âŁpulleys, bearingsor the belt âagain âif necessary.
Is it better to buy an OEM â˘27155 â¤belt or an aftermarket alternative?
OEM (genuine Speed queen) belts âŁare manufactured to the appliance maker’s specifications for fit and material âand are the⣠safest choice for reliable fit and longevity. Quality aftermarket belts can âbe acceptable if they match the OEM âdimensions and rib/profile closely and come from reputable suppliers. â¤Avoid low-cost belts that don’t provide full dimension specs or have poor reviews, as improperâ fit âŁcan⤠cause noise,⢠slippingor⤠premature â¤wear.
Final Thoughts
The 27155 Speed Queen drive belt plays a central role in the âreliable operation âŁof âcompatible laundry equipment by transmitting motor torqueâ to the â˘drumâ and associated components.⣠As a wear item subject⣠to heat, friction andâ regular âload âcycles, its⢠condition directly affectsâ drum rotation, â˘energy efficiency, noise levels and overall appliance performance. Maintaining a properly functioning drive âbelt helps preserve cycle⢠consistency âand prevents secondary damage to pulleys, bearings and motors.
Accurate diagnosis and timely⢠replacement of âa worn or⣠damaged 27155 belt are significant to avoidâ escalating failuresâ and to sustain safe, efficient⢠operation. Inspecting symptoms such as slipping,unusual noises or inconsistent drum movement,and addressing confirmed âbelt issues âŁwith the correct replacement â˘part and proper service,will protect equipment longevity and maintain manufacturer-specified⢠performance.⣠When âin doubt, relyâ on manufacturer guidance âŁor qualified service âtechnicians for diagnosis and â˘replacement decisions.
Professional Appliance Service
If your appliance requires professional diagnosis or repair, visit
Revolff Home Services
for expert appliance repair services.
For local appliance service information see
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Replacement parts for many appliance models can also be found at
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