WD26X10013 GE Dishwasher âMotor & Pump Assembly is a combined motor and hydraulic pump module used â˘in many GE built-in dishwashers. âThe assembly comprises the electric drive âmotor, an impeller-driven pump housing, âseals and mounting interfaces that sit⢠in theâ dishwasher sump; together these elements circulate wash water through the spray arms âand,â depending on âthe model configuration, assist with draining⣠and pressure management within the wash chamber.
Inside the âappliance,the motor and âŁpump⤠assembly provides the âŁmechanical work required⤠too move âwater from the sump to the spray arms and,when applicable,toward the drain path. It⢠interfaces mechanically with the sump, impeller and hose connections and electrically with the applianceâ control board and⣠power supply;â it is indeed also monitored âŁindirectly⣠by sensors such as the float switch, âwater-level sensors and thermal protection devices.Proper operation of this part affects âspray pressure, cleaning performance,⣠and⢠the ability to clear water â˘from â¤the⤠tuband failure modes can include hydraulic âblockages, seal leaks, electrical faults in the motoror mechanical wear of bearings and impellers.
In this article you will findâ a technical âoverview of the WD26X10013 assembly’s function and construction, guidance for assessing compatibility with specific GE dishwasher models, common failure symptoms to watch for (for example no circulation, excessive noise, leakage or failure to drain), systematic troubleshooting steps⢠including basic electrical and hydraulic checksand practical replacement considerationsâ such as accessing the sump, replacing seals and gaskets, verifying electrical connectionsand safety precautions toâ take before⣠service. The aim is to give technicians, engineers and appliance ownersâ a clear, service-focused understanding of⣠how the component works and what to evaluate âwhen diagnosing or âreplacing it.
table of Contents
- Functional Role of the Dishwasher Circulation Motor and âPump in WashâCycle Hydraulics
- How the WD26X10013 GE Dishwasher Motor &⣠Pump â¤Assembly Works Inside theâ Appliance
- Diagnostic Indicators of âMotor & Pump Failure: Noise, â¤Reduced Circulationand Drain Faults
- Replacement Considerations and StepâbyâStep Installation Procedures for the⢠WD26X10013 Motor & Pump Assembly
- Q&A
- Wrapping Up
Functional â¤role of the Dishwasher Circulation Motor and Pump in Washâcycle Hydraulics
The circulation motor and⤠pump convert electrical power into a controlled hydraulicâ flow that sustains spray-arm pressure and distribution â˘during the wash cycle. The WD26X10013 GE Dishwasher Motor & Pump Assembly couples a shadedâpole or PSC motor to â¤an impeller housed in the sump so that⤠rotational speed and impeller geometry generateâ the pressure head needed to overcome spray-arm orifice losses and filter resistance. Flow rate is â¤a function of motor âtorque and impeller design; when theâ controllerâ activates the motor the pump produces a recirculating loop that continuously draws water through the fineâmesh screens and forcesâ it through the spray arms, maintaining turbulent jet patterns ârequired for soil removal. Seals, bearing condition, â˘and shaft alignment directly affect hydraulic efficiency andâ leak risk, while builtâin â¤thermal protection âand the controller’s duty cycle determine âtypicalâ motor âoperating duty and temperature behavior.
Technicians must match mechanical interfaces, electrical connectionsand rotation⤠characteristics âto preserve⤠the original washâcycle hydraulics:â incorrect flange orientation, shaft âŁlengthor connector pinout can reduce flow or cause âŁpremature⤠failure. âPractical troubleshooting⢠examples include low spray â¤pressure with a âŁnormally running motor (indicates impeller damage, clogged inlet or worn bearing), a humming motor that fails â¤to spin â(foreign â¤object in impeller or seized bearings)and intermittent⣠loss of pump operation âtied âto thermal cutoff cycling.⢠Replacingâ the assembly with the correct OEM part⢠restores designed head and flow characteristics; âŁduring installation, verify gasket seating, hose routingand that the sump filter is clear so the new pump operates under expected load conditions.
- Common symptoms: reduced spray pressure, abnormal noise âduring circulation, water leaks at the sump seal, â˘and motor hum without rotation.
- Installation checks: confirm âŁelectrical connector match, correct mounting orientationandâ clear inlet âpassages before testing.
- Performance drivers: impeller integrity,motor ârpm under load,and condition of⢠seals/bearings determine effective GPM and spray⢠pressure.
| Item | Description |
|---|---|
| Typical supply | 120 VAC supply âcommon on domestic GE units; confirm âlabel on assemblyâ before replacement |
| Mounting | Sumpâmounted pump housing with modelâspecific flangeâ and gasket interface |
| Performance | Impellerâdriven flow in the range âof several âgallons per minute under nominal load; âactual pressure depends on âspray arm orifices |
How the⣠WD26X10013 GE Dishwasher motor & Pump Assembly Works Inside the Appliance
The WD26X10013 GE Dishwasher⣠motor & Pump assembly sits in the dishwasher sump âand combines an electric⣠drive motor with molded wash and drain â¤impellers to perform both circulation and evacuation of wash⣠water. â¤When the control board supplies line voltage âto the âassembly, the motor spins the â¤integrated impellers; the larger or âŁfront-facing impeller pressurizes water up through the spray arms for cleaning, while a secondary passage and⤠impeller route wastewater out through the drain hose during drain steps. The housing includes seals,bearings,and mounting bosses that align the unit in the tub and isolate the motor⢠from the wash chamber; electrical connections âare made through the appliance harness so the âpart is replaceable on compatible GE models after verifying model and part fitment.
Functionally, the unit operates as a single, mechanically integrated pump assembly where different flow paths are selected by the dishwasher’s cycle â¤programming and internal check-valves rather thanâ by a separate motor.⤠Under wash âload âthe motor runs at a duty required⢠to generate spray pressure and overcome spray-arm backpressure; during drain the same rotation is used to evacuate water through the drain port. Common operational symptoms âŁtied to this⣠assembly include low spray pressure (blocked or eroded wash impeller), persistent âŁstanding water (damaged drain â˘impeller â¤or cloggedâ outlet),⣠and⢠loud bearing noise (worn motor⤠bearings). Techniciansâ typically verify âelectrical continuity, inspect impellers⤠for damage or blockageand confirm⣠sump seals⣠before replacing the assembly to restore normal circulation and drainage.
- Key components: motor, wash impeller, drain impeller/pathway, seals, mounting flange,⤠electrical connector.
- Common failure modes: impeller wear/clogging,â seal leakage, bearing failure, electrical open/short.
- Compatibility note: designed as⣠an OEM replacement for specified GE platform dishwashers-confirm modelâ numbers and connector type prior to installation.
| Item | Description |
|---|---|
| Primary function | Circulate wash water through spray arms and evacuate wastewater via aâ shared motor-driven pump assembly. |
| Mounting location | Lower sump of dishwasher; secured toâ tub with gasketed flange and â˘screws. |
| Service checks | Continuity âof motor windings, impeller condition, visible leaks at sealsand correct electrical connector mapping. |
Diagnostic Indicators of Motor⢠& Pump Failure: Noise, âReducedâ Circulationand Drain Faults
The WD26X10013 GE Dishwasher Motor & Pump Assembly performs two linked functions: it drives the circulation impeller that pressurizes spray arms andâ powers âthe drain pump that evacuates âwastewater.⢠Diagnostic indicators such as unusual bearing noise, a persistent humming motor with no water movementor slow/erratic circulation typically point to⤠mechanical wear, impeller obstructionor electrical faultsâ in the assembly. Technicians should inspect for seized impellers, âŁdamaged seals permitting water ingress into the â˘motorand verify that theâ assembly matches the dishwasher’s mechanical mounting and electrical connector pattern for proper compatibility before âreplacing the unit.
Practical troubleshooting combines audible and measurable checks: listen for grinding or high-frequency whining that indicates bearing or rotor issues,check for free rotation of the impeller âby hand after power is removed,and measure motor current draw and continuity across windings to detectâ shorted âturns or âan openâ winding. Drain faults frequently enough produce standing water or slow emptying and can result from a failed drain pump impeller, foreign-object blockage in the drain channelor relay/control âŁfailures that prevent the âŁassembly from receiving drive voltage. Replace the WD26X10013 assembly when mechanical damage, failed windingsor excessive⤠current draw beyondâ factory specifications are confirmed.
- Grinding or rattling: worn bearings or foreign object in impeller chamber.
- Humming without flow: motor energized but rotor stalled or seized.
- Reduced spray/poor cleaning: weakened impeller performanceâ or partial blockage.
- Drain fault/standing water: damaged drain impeller, blockageor failed âpump drive.
| Item | Description |
|---|---|
| Audible signature | High-pitched whine â electrical or bearing âissue; grinding â mechanical contact. |
| Electrical test | continuity and motorâ current draw identify open windings or excessive load. |
| Mechanical inspection | Impeller rotation,seal condition,and debris in housing determine serviceability. |
Replacement Considerations and StepâbyâStep Installation Procedures for the WD26X10013 Motor & Pump Assembly
The WD26X10013 âŁGE Dishwasher Motor & Pump Assembly is an integratedâ circulation and drain unit that converts electricalâ input into hydraulic flow for both wash and pumpâout cycles. The assembly contains the motor stator and rotor, impeller, shaft seal, â¤and mounting⢠flange; together these components establish flow rate, pressure profile to the spray armsand âthe drain path for sump evacuation. Typical failure modes include shaftâseal leakage, bearing wear producing noise or increased current drawand âimpeller blockage that reduces flow. Verify mechanical⣠fit (flange pattern,⣠gasket seating) and electrical connector type against the⢠dishwasher model tag before⢠replacement to ensure compatibility and â¤to avoidâ mismatch in âharness pinoutâ or mounting orientation.
- Disconnect â¤power âand water supply to the appliance before any disassembly.
- Remove lower access panel and spray arms to gain access to the sump and pump housing.
- Drain residual water from the sump âŁwith a shop â˘vacuum or towels and disconnect the drain hose and wiring harness at the pump âŁconnector.
- Unfasten mounting bolts and carefully lower the motor & pump assembly,supporting weight⣠to avoid stressing wiring or plumbing.
- Transfer or replace gaskets/seals and⢠inspect the âsump housing âfor debris or corrosion; replace any damaged seals to prevent leaks.
- Install the new assembly⣠aligned to the flange,reconnectâ the harness âand hoses,secure bolts evenly,and restore water and power.
- Run a diagnostic or short wash cycle while checking for leaks, abnormal noise,⤠and correct drain/circulation behavior.
| Item | Description |
|---|---|
| Function | Provides circulation pressure to spray arms and pumps sump waterâ to â˘the household drain. |
| Common Symptoms | No circulation,â noisy bearings, motor hum with no rotationor visible leakage at the sump. |
| Compatibility Check | Confirm flange pattern, gasket âthicknessand wiring connector match the appliance model tag. |
During reassembly, ensure the shaft seal and pump lipâ seating are clean and free of particulates; a displacedâ or pinched gasket is the most frequent source â¤of postâservice leaks. After restoration of power,⢠monitor motor current⣠for several minutes-an elevated steady current indicates mechanical binding or a failing bearing while intermittent high current can signify a partially blocked impeller or turbulence in the⢠sump. If âabnormal⢠electrical behavior⣠or leaks persist after installation, remove â˘the assembly and inspect the mating surfaces and hose routing to eliminate misalignment, pinched hosesor improperly seated seals before concluding â˘the repair.
Q&A
What is the function âof the WD26X10013 GE Dishwasher Motor & âPump Assembly?
The WD26X10013 âis the âdishwasher’s main motor and pump assembly. It drives the impeller(s) â¤that circulate wash water through the sprayâ arms and,on many GE models,also provides the pumping action used during drain. In short, â˘it supplies water pressure âfor cleaning and moves water out of the tub when draining (depending on⣠model configuration).
What symptoms indicate the motor⢠& â¤pump assembly is⣠failing?
Common â¤symptoms include: âŁlittle or no water⤠circulation during theâ wash (poor cleaning), the âmotor making a loud grinding, rattling orâ humming noise, the motor not running at all âduring wash cycles, repeated cycleâ failuresand⤠water leaking from the bottom of the⣠dishwasher near the sump area. Some of theseâ symptoms can⤠also be caused by blockages, faulty control boards or wiring, so proper diagnosis is required.
How do⤠I diagnose whether the WD26X10013 is bad â¤or something else (blockage, â¤electrical, control)?
Start with the simplest checks: remove the lower spray arm and inspect the sump/impeller area for âdebris or âforeign objects; clear any blockages. If still a problem, with â¤power off and access to theâ motor terminals, check continuity across the motor âwindingsâ with⤠a â˘multimeter (a closed circuit indicates âwindings⣠are intact). Also check for a short to ground (motor windings to chassis should read OL/infinite). During a ârunning âcycleâ (withâ extreme caution), verify the motor is receiving the expected line voltage from the control board. If âŁthe board supplies correct voltage and the motor fails to run or hums, the motor/pump assembly is likely bad. If the motor receives no⤠or incorrectâ voltage, âthe controlâ or wiring is suspect.
How do I testâ the motor with a multimeter safely and what readings should I expect?
Safety first: disconnect powerâ at the breaker before testing. Remove⢠the dishwasher access panel â¤to reach the motor terminals. For basic testing, check for continuity between â¤the motor’s run⢠terminals – you should see continuity (low⤠to⢠moderate ohm range). Check for continuity âbetween each winding terminal and the metal chassis; it should read open/OL (no continuity). During âoperation (only if you are experienced âand take safety precautions),you can check that the motor is receiving line voltage from the control board at the appropriate⢠times (typicallyâ mains voltage,e.g., 120 VAC in the U.S.).Exact ohm values âvary by motor design, so use continuity and insulation checks rather than a⤠specific ohm target unless you have a service manual that lists winding resistances.
How do I remove and âreplace the â˘WD26X10013 âassembly?
Basic replacement steps: 1) Disconnect power at the breaker⤠and turn off water supply. 2) Remove lower dish rack âŁand spray⣠arm(s)â to access âthe sump. 3) Remove the lowerâ kick panel and any sound-dampening foam as needed.4)â Disconnect electrical connectors to the⤠motor/pump and detach drain and recirculation hoses (haveâ towels ready). 5) Remove mounting screws/clamps holding the assembly in the tub and lower theâ assembly out. 6) Install the new assembly in reverse⣠order, replace anyâ gaskets or hose clamps, reconnect all wiring and hoses, restore⢠water and powerand run a test cycle while checking for leaks. âUse photos âor label wires if needed. If the⤠replacement includes a separate gasket or⢠seal kit, replace those⣠to avoid⢠leaks.
Why isâ the motor humming but not spinning?
A humming motor usually⣠indicates the motor is receiving power but cannot turn. Common âcauses: the impeller or pump housing is jammed by debris, the motorâ bearings or shaft seal are seized or wornor the âmotor’s start/run circuitry (internal capacitor or⣠centrifugal switch in some designs) has failed. First, disconnect power andâ inspect/clear the impeller area. If the impeller turns freely⢠by âhand â˘but the motor still âhums when powered, the motor is highly likely failing and should be replaced.
What causes leaks around the motor & pump assembly and âhow do I â˘fix them?
Leaks â¤usually come from the shaft seal where the motor meets the pump, from a cracked sump housingor from degradedâ gaskets/hose connections. â¤Age and wear typically degrade the shaft seal; in most â¤cases replacing the entire motor &â pump assembly⣠is the reliable fix because individual seal replacement can be arduous and the parts are normally sold as âan assembly.Also inspect and replace hoseâ clamps and⤠gaskets and ensure the assembly is seated and fastened correctly.
Is this a job⤠I can do myself or should I hire a technician?
Replacing the WD26X10013 is a moderate-difficulty DIY job if you âare comfortable with basic appliance repair: you âŁmustâ disconnect âpower and â˘water, work under the dishwasher, handle electrical connectorsand â¤refit hoses â˘and âseals without creating leaks. â¤required tools are typically basic (screwdrivers, pliers, a multimeter for testing). â˘If you areâ not âcomfortable working with mains electricity, diagnosing motor control circuitsor if your dishwasher is under warranty, hiring a qualified appliance technician is recommended.
Wrapping Up
The WD26X10013 GE dishwasher âmotor and âpump assembly is a central component⤠responsible â˘for circulating wash water, powering spray arms and managing drainage. Itsâ mechanical and â˘hydraulic functions directly affect cleaning performance,⢠water removal, âand âquiet operation; when the assembly operates correctly it helps maintain⣠efficiency and prevents water-related damage to â¤other dishwasher components.
Because symptoms such as poor cleaning, standing water, unusual noisesor leaks can have multiple causes, accurate diagnosis is essential before replacing the assembly. Visual inspection, simple âchecks for obstructionsand âŁelectrical testing help distinguish motor â˘and pump failure from issues in the control system, spray armsor âdrain path.
When⣠diagnostics indicate the WD26X10013 unit â¤is faulty, timely replacement with a correctly specified assembly-installed following safety and âmanufacturer guidelines-minimizes downtime âŁand⣠reduces the risk of collateral damage. Engaging qualified service personnel or following authoritative service documentation preserves appliance reliability and anyâ applicableâ warranties, ensuring the dishwasher returns to safe, âeffective operation.
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
Dryer repair Henderson
.
Replacement parts for many appliance models can also be found at
Reliable-Parts-Hub
.
