350572 Whirlpool Transmission Oil 15 Oz is a⤠replacement lubricant packaged âfor service use in appliance gearboxes and transmissions; it is âa formulated gear oil intended to fill or top off the transmission/gearcase in compatible Whirlpool washing machines and similar appliance drive assemblies. As a â˘service part,it is supplied⢠in a 15-ounce container âsized for the typical fill requirements of small appliance transmissions â˘and is specified to meet the viscosity,additive,and seal-compatibility needs of those âassemblies.
Inside the appliance, thisâ transmission oil âlubricates the⣠gearbox gears, bearings, shaftsand internal seals thatâ transfer torque from the motor to â˘the agitator or drum. It interacts⢠with mechanical components such as planetary orâ spur gears,sealed bearings,clutch âinterfaces and polymer or elastomer seals,and it contributes to heat dissipation,reduction of metal-to-metal wear,and lubrication of sliding and ârolling contact surfaces. Proper âoil selection and fill⤠level affect friction, noise,â vibration, leak behaviorand the service life of the transmission componentsand the oil must be chemically compatible with the materials used âin the transmissionâ assembly to âavoidâ seal swelling or degradation.
This article willâ explain the transmission oil’s intended function and basic physical properties,⣠describe compatibility considerations for â˘appliance models and internal materials,⢠list common failure symptomsâ associated with low, contaminatedor incompatible oil (for example⤠increased noise, overheating, gear wear, leaks or loss of drive)and provide practical troubleshooting and replacement guidance. Topics covered include inspection⢠checkpoints, procedures for draining and refilling to the correct volume, seal andâ bearing inspection during service,⢠disposal and handling recommendationsand factors to consider when selecting a replacement fluid or evaluating whether additional transmission component repair âis necessary.
Table of contents
- Function and role of Transmission Oil in âWhirlpool Gear âAssemblies
- How the 350572â Whirlpoolâ Transmission⤠Oilâ 15 Oz Circulates, Lubricatesand Protects Internal Transmission Components
- Common Failure Symptoms and Diagnostic Indicators of Contaminated or Degraded Transmission â˘Oil
- Replacement Considerations, Installation Procedure, â¤and Fluid Capacity Specifications for Compatible Whirlpool Models
- Q&A
- In âConclusion
Function â¤and Role of Transmission Oil in Whirlpool Gear Assemblies
350572 Whirlpool âŁTransmission Oil 15⢠Oz serves as the engineered lubricant for Whirlpool gear assemblies by establishing a stable lubricating film thatâ separates gear teeth, bushingsand âbearing surfaces. The oil’s controlled viscosity and â˘additive package determine film â˘thickness,⢠shear stabilityand thermal behavior; theseâ properties govern âload-carrying capacity, frictional lossesand heat transfer within the enclosed âgearcase.In practice the correctâ oil âminimizes boundary lubrication events during start/stop â¤cycles, dampens impulse loads on plastic or metal gearsand â˘provides corrosion âinhibition withoutâ attacking â˘common â¤elastomers used for â˘sealsâ and gaskets.
Technicians assess transmission-oil performance âby monitoring temperature, noise, wear debrisand seal condition: elevated noise or heat, metallic particulates in the oilor premature seal hardening indicate lubricant breakdown or âincompatibility.During service,warm⤠the assembly to operating temperature to aid complete drainage,inspect oil for contamination (water,carbon,metal âparticles),and refill to the specified levelâ to avoid churning or â¤aeration. Verify âmaterial compatibility before substituting lubricants because oils with aggressive extreme-pressure additives or solvents can swell or degrade plastics and elastomers âused in Whirlpool gear trains.
- Key âfeatures: film strength, shear stability, thermal stability, seal compatibility
- Common failure⣠symptoms: âincreased gear noise, higher operating temperature, metal particles in oil, seal swelling â¤or âshrinkage
- Service⣠guidance: drain while warm, inspect contaminants, refill to specified level,â use compatibleâ lubricant
| Item | Description |
|---|---|
| Primary function | Maintain lubricating film, reduce wear, dissipate heat, protect against corrosion |
| Typical applications | washing-machine and appliance gear assemblies and small â¤enclosed gearcases |
| Key behavior | Stable viscosity underâ low-speed/high-load conditions and âcompatibility with plastics and⢠elastomers |
How the 350572 Whirlpool transmission Oil 15 âOz âCirculates, Lubricatesand Protects Internal Transmission Components
The 350572 Whirlpool Transmission Oil 15 Oz is formulated to circulate through a washing machine transmission by being introducedâ into âthe gearcase and moved by the internal rotating components and small internal pumps or centrifugal action within the housing. As âthe input shaft,⤠gearsand clutch elements rotate, the oil is forced through⢠passages and around⢠splines and bearings, creating a continuous flow that carries heat awayâ from high-friction surfaces and delivers lubricant⤠to moving interfaces. in common Whirlpool âŁtransmission designs this circulation path â˘routes lubricant to the torque-transmitting clutch faces, gear teethand bearing journals where a controlled fluid film reduces direct metal-to-metal contact and supports load sharing across teeth and splines.
Lubrication is achieved by maintaining a thin, stable film âŁ(hydrodynamic and boundary layers) that separates rubbing surfaces under varying shear⣠and temperature conditions; â anti-wear additives, friction modifiersand corrosion inhibitors in the formulation bolster âthat⤠film andâ protect hardened steel⢠and plated surfaces. âThe oil â¤also acts as a carrier for suspended wear particles to collection areas or filtersand its viscosity-temperature behavior governs shear rates in clutch stacks and torque converters. For practical service, technicians should verify compatibility with the specific⢠Whirlpool model and seal materials,⢠monitor oil condition for contamination or viscosity breakdownand replace the oil following the manufacturer’s procedure to preserve the transmission’s mechanicalâ clearances and protect internal components.
- Circulation mechanism: mechanical rotation and centrifugalâ flow route oil through clutch faces, gearsand bearings.
- Lubrication function: formsâ hydrodynamic/boundary films to reduce wear âŁand stabilize gear engagement.
- Protection features:⣠anti-wear agents, corrosion inhibitorsand thermal stability help âresist oxidation andâ surface fatigue.
- Service implications: check model compatibility,inspect oil âfor contamination,and replace per service intervals to prevent abrasive wear.
Common Failure Symptoms and Diagnostic Indicators of Contaminatedâ or Degraded Transmission Oil
The transmission oil in a Whirlpool gearcaseâ functions as⣠both a lubricating medium and a hydraulic âfluidâ that â˘controls clutch friction, dissipates â¤heatand provides corrosion protection for gears and bearings. 350572 â˘Whirlpool Transmission Oil 15 â˘Oz is specified to provide the correctâ baseâ viscosity and additive package for many Whirlpool transmissions; using a lubricant with differing viscosity or missing antiâwear/antiâoxidant additives will â˘change friction behavior and accelerate component wear. Contaminated or chemically degraded oilâ loses film strength and changes surface friction coefficients, which leads to increased gearbox temperatures, rough or delayed âclutch engagement, audible gear rattleand higher motor current draw under load.
- Darkened or⣠opaque fluid colorâ and a sour or burnt odor indicating oxidation or contamination.
- Elevated gearbox âoperating temperature and intermittent clutch⤠slip during cycle transitions.
- Metal particles on magnetic drain plugs, filterâ mediaor in oil samples indicating⣠mechanical wear.
- Foaming, entrained â˘airor bubbly appearance indicating⢠aeration or breakdown of antiâfoam additives.
| Item | Description |
|---|---|
| Visual/Smell change | Dark color,⤠varnishor burnt odor â˘â â¤quick indicatorâ of oxidation/overheating; inspect dipstick and drain sample. |
| Metal â¤particles | Ferrous â¤debris on magnetic plug or in filter â mechanical wear; quantify with particle count or microscopy. |
| Viscosity âshift | Thinning or thickening of oil measured against OEM kinematicâ viscosity spec â affects hydraulic timing⣠and clutch friction. |
Practical field âŁdiagnostics combine simple inspections with targeted measurements: collect a drain sample for visual and âsmell checks, inspect magnetic plugs and filters for debris, record running temperature and motorâ current under a known loadand perform a quick viscosity check⣠if a viscometer is available. âFor conclusive root causeâ analysis, send a sampled aliquot for laboratory testing (particle count/ferrogram, kinematic âviscosity, FTIR for oxidationâ products, âŁand⣠total acid â˘number) to distinguish contamination â˘(water, detergentsor foreign oils) from thermal/oxidativeâ degradation; these tests help determine whether replenishing with the correct OEM fluid or addressing mechanical failure is the appropriate corrective action.
Replacement Considerations, Installation Procedureand Fluid Capacity Specifications for Compatible Whirlpool Models
The transmission⢠lubricant acts as a thin-film, hydrodynamic lubricant and corrosion inhibitor inside Whirlpool gearcases, maintaining gear âtooth protection, bearing lubricationand âclutch/shift friction characteristics.â The 350572 Whirlpool Transmission Oil 15 Oz is formulated⣠to match the viscosity and additive balance required by many Whirlpool transmissionâ housings; technicians use a 15âounce container for targeted replenishment during clutch repairs or to top up⢠after minor leaks. Compatibility considerations include seal material âswelling (avoid petroleum blends incompatible with EPDM/nitrileâ seals), previous-contaminant removal (metal particles and water reduce film strength)and avoiding mixing with heavy gear oils or detergent-based lubricants that alter shear stability and friction âcontrol. Refer to the appliance’s âservice manual for the required SAE rangeâ or specificâ manufacturer specification before substituting fluids.
installation and service require controlled drainage and precise quantity control: isolate power, remove the transmission access cover, capture the residual oil for contamination analysis,â clean⤠magnetic sump surfaces, replaceâ any deteriorated gasketsand refill to the⢠model-specific level using a narrow spout or syringe to avoid air entrapment.⣠After refill, operate the unit through a â˘short diagnosticâ cycle and recheckâ for leaks âand âcorrect shift behavior; abnormal noises⤠or⣠slipping indicate âeither underfill, contaminationor internal wear.Practical steps⣠andâ checks useful during installation â˘include:
- Verify âŁmodel/service number and the specified fluid capacity â˘from the service manual before starting.
- Drain into a clean container,â inspect for metal âparticulatesand weigh â˘or measure removed volume if⣠the manual âgives capacity by fill volume.
- Use âthe 350572 âŁbottle or an equivalent dispense â˘tool to add measured amounts; avoid overfilling which can pressurize seals.
- Torqueâ cover fasteners to manufacturer⣠values and run functional checks for proper engagement â˘and temperature stabilization.
| Item | Description |
|---|---|
| Typical small directâdrive gearcase | Approx. 4-8 oz (consult service manual for exact model capacity) |
| Standard sealed gearcase | Approx. 8-12 oz; 15 â¤oz bottle can be used for full refill on some⣠models |
| Larger transmission assemblies | Approx.12-16 oz; may require multiple bottles or OEM container |
Q&A
What isâ Whirlpool part 350572 (Transmissionâ Oil 15 oz) used for?
Whirlpool⤠part 350572 is an OEM gearcase/transmission lubricant supplied inâ a 15âounce bottle.It is intendedâ for use in the⣠gearcase or transmission assemblies âof compatible â¤whirlpool (and some related brand) topâload washing machines to lubricate gears, bearings and seals.It is not automotive transmission fluid and is âformulated for appliance gearcase requirements.
How muchâ of the 15 oz bottle do â˘I âneed to refill my washer transmission?
The âŁ15âounce bottle is intended⣠to ârefill a typical appliance gearcase once, but â˘the exact required volume depends âon the specific model⤠and gearcase design. Some models require less than 15 â¤oz, others close toâ the full bottle. Always consult the washer’s service manual or â˘the gearcase fill/fillâlevel instructions for the correct volume before filling.
How do I âŁaddâ the transmissionâ oil to my washer safely â˘and correctly?
Follow the service manual instructions for your model. Common steps: unplug the washer, tilt or raise the cabinet per service instructions to access the gearbox, remove the fill/vent plugand add lubricant slowly using a⣠small funnel, syringe or pour â¤spout until âŁthe⢠specified level or fill mark is reached. Replace âplugs and seals, check for leaks,⣠and testâ the machine. If you are not comfortable performing this,⣠hireâ a qualified appliance technician.
Canâ I substitute this â¤Whirlpool transmission oil with Automotive ATF⣠or other gear âoils?
Substitution should âonly be made if the âservice manual explicitlyâ allows it.Some gearcases accept specific â˘types⣠of ATF (e.g., Dexron/Mercon), but many require⤠the OEMâspecified lubricantâ for correct viscosity and seal compatibility. Avoid using motor oil or unspecified gear oils; mixing incompatible â¤lubricants can damage seals⤠and gears. When in âdoubt, use the OEM part 350572 or check the washer’s⣠technical literature.
What areâ common âŁsymptoms that indicate the gearcase âneeds lubrication or service?
Signs of â˘low or degraded gearcase âoil include grinding or rumbling noises â˘during agitation or âspin,â rough or jerky drum movement,⣠slipping/clutch-like behavior, overheating of the base area, visible oil leaks under the machineorâ failure to agitate/ spin properly. âThese symptoms can âalsoâ indicate mechanical wear, so inspect the gearcase and follow service diagnostics.
Are there any safety or handling precautions I should take⤠with â¤this product?
Yes. Treat it asâ an industrial lubricant: avoid skin and eye contact (wear gloves and eye protection), use in âa wellâventilated area, keep awayâ from heat/open flamesand store in âthe original closed container. Consult the product’s Safety Data Sheet (SDS) for âdetailed hazard, first aid âŁand storage details.
How should I store unused bottles and how long will âthe oil last âon theâ shelf?
store unopened bottles in a cool, dry place away fromâ direct sunlight andâ heat sources. Keep caps tightly closed to âŁprevent contamination. âMost sealed lubricants remain stable for several years; though, for best performance use within the timeframe recommended on the product data sheet or by the manufacturer. If the oilâ appears cloudy,â contains sediment or has a âstrong rancid odor,â do not use it.
How do I dispose of unused or used transmissionâ oil?
Do not pour used âŁor unused oil down drains or âonto the ground.⢠Dispose of it as used oil accordingâ to local regulations: take to a⢠municipal hazardousâ waste collection site, household hazardous waste facilityor an approved recycling/collection âcenter. Many auto⣠parts stores and municipal programs accept used lubricants âfor proper âdisposal.
In Conclusion
350572 Whirlpool Transmission oil 15 Oz serves as a specifically formulated lubricant for Whirlpool transmission assemblies, helping to⣠reduce friction, minimize wearand support consistent mechanical performance over time.â When â¤applied correctly, the product contributes to smoother operation, quieterâ cyclingand protection⣠against premature component failure, making it a useful maintenance item for prolonging the functional life⤠of compatible appliances.
While a âŁquality transmission oilâ is⢠an important preventive and corrective measure, its effectiveness⣠depends on accurate problem diagnosis and correct request.⣠Identifyingâ the true source of transmission symptoms-such âas unusual noise, âslippingorâ overheating-ensures that lubricant replacement is an appropriate remedy rather than aâ temporary fix for unrelated faults.when replacement or⢠service is required, following â¤manufacturer specifications, using the recommended quantity âand gradeand, when⣠appropriate, âengaging âtrained service personnel will deliverâ the most reliable âresults.
350572 whirlpool Transmission oil 15 Oz can play a valuable role in routine âmaintenanceâ and âŁtargeted repairs, but it shouldâ be used as part of a comprehensive, correctly⣠diagnosed service approach. Adhering to manufacturer guidance and professional⣠repair âpractices helps preserve âappliance performance, âsafetyand longevity.
Professional Appliance Service
If your appliance requires professional diagnosis or repair, visit
Revolff Home Services
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Replacement parts for many appliance models can also be found at
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