Transmission Assembly, Gearcase Assembly, Transmission Kit, Gear Case, Platform Assembly, Drive System Assembly

WW03A00242, AP6331672, PS12745419, EAP12745419

GE, Hotpoint

GEGTW465ASN0WW, GTW465ASN1WW, GTW465ASN2WW, GTW485ASJ0WW, GTW485ASJ1WW, GTW485ASJ2WW, GTW500ASN0WW, GTW500ASN1WW, GTW500ASN2WW, GTW680BSJ0DG, GTW680BSJ1DG, GTW680BSJ2DG, GTW720BSN0WS, GTW720BSN1WS, GTW720BSN2WS, GTW750CPL0DG, GTW750CPL1DG, GTW750CPL2DG

HotpointHTW240ASK0WW, HTW240ASK1WW, HTW240ASK2WW

CRITICAL SAFETY WARNING: This is an advanced repair requiring complete washer disassembly, heavy lifting (transmission weighs 15-25 pounds), and precision mechanical work. Professional installation is strongly recommended. If attempting DIY repair, you must have advanced mechanical skills, proper tools, and assistant for heavy lifting. Always unplug the washer and turn off water supply before beginning work.

1. Unplug the washer from the electrical outlet to ensure complete power disconnection.
2. Turn off the water supply by closing the hot and cold water shutoff valves.
3. Disconnect the water inlet hoses from the rear of the washer.
4. Disconnect the drain hose from the standpipe or laundry sink.
5. Move the washer to a large, open work area with adequate space for disassembly. You'll need 6-8 feet of clear space around the washer.
6. Take multiple photos throughout the disassembly process from multiple angles. This is absolutely critical for proper reassembly.
7. Remove the washer cabinet by removing the console screws, lifting the console, removing the cabinet screws (typically at rear corners), and lifting the cabinet up and off. Set aside safely.
8. Disconnect all wire harnesses from the lid switch, water level switch, and other components. Label each connection with tape.
9. Remove the agitator by removing the agitator cap, removing the agitator bolt (typically 7/16" hex bolt), and pulling the agitator straight up off the shaft. May require significant force—use an agitator removal tool if needed.
10. Remove the fabric softener dispenser (if present) from the top of the agitator.
11. Remove the tub cover (splash guard) by removing the screws around the perimeter and lifting it off.
12. Remove the spin basket by removing the basket drive block bolt (large bolt at center of basket bottom—typically requires special spanner wrench), and lifting the basket straight up and out of the tub. Caution: Basket is heavy (20-30 pounds)—get assistance.
13. Drain any remaining water from the tub using towels or wet/dry vacuum.
14. Disconnect the tub from the transmission by removing the tub mounting bolts or clips that secure the outer tub to the transmission platform.
15. Support the tub with blocks or have an assistant hold it while you work on the transmission below.
16. Access the transmission from below by tipping the washer on its side or front (place cardboard or blankets underneath to protect floor and washer). Caution: Get assistance—washer is heavy and awkward.
17. Take detailed photos of the transmission mounting, motor coupling, clutch assembly, and all connections before disassembly.
18. Disconnect the motor coupling from the transmission input shaft by removing the coupling bolt and sliding the coupling off.
19. Remove the clutch assembly (if separate from transmission) by removing mounting bolts and disconnecting from transmission.
20. Remove the transmission mounting bolts (typically 3-4 large bolts) that secure the transmission to the washer base or suspension system.
21. Carefully lower the old transmission out of the washer base. CRITICAL: Transmission is very heavy (15-25 pounds) and awkward—get assistance to avoid injury or dropping it.
22. Place the old transmission on a clean work surface with adequate space.
23. Inspect the old transmission for visible damage such as cracked housing, oil leakage, worn shafts, or broken components. This confirms the diagnosis.
24. Drain any remaining oil from the old transmission into a container for proper disposal. Transmission oil is not reusable.
25. Clean the mounting area on the washer base, removing any oil, debris, or corrosion.
26. Inspect the motor coupling, clutch, and drive components for wear or damage. Replace worn components during transmission replacement to prevent premature failure.
27. Unpack the new WW03A00242 transmission assembly carefully. The kit includes the gearcase assembly, mounting platform, hardware, and instructions.
28. Compare the new transmission to the old one to verify dimensions, shaft positions, mounting holes, and overall configuration match.
29. Inspect the new transmission for any shipping damage before installation.
30. Check the transmission oil level (if applicable—some transmissions come pre-filled and sealed, others require oil filling). Follow manufacturer instructions for oil type and fill procedure.
31. Position the new transmission in the washer base, aligning the mounting holes with the base or suspension mounting points. CRITICAL: Get assistance—transmission is very heavy and must be positioned precisely.
32. Install the transmission mounting bolts and tighten in a cross-pattern to ensure even seating. Torque to manufacturer specifications (typically 15-25 ft-lbs).
33. Verify the transmission is securely mounted and level with no movement or wobble.
34. Reinstall the clutch assembly (if separate) by positioning it on the transmission and securing with mounting bolts. Torque to specifications.
35. Reinstall the motor coupling on the transmission input shaft, aligning the coupling with the shaft flats or keyway. Install the coupling bolt and torque to specifications (typically 10-15 ft-lbs).
36. Verify all drive components are properly aligned and secured.
37. Return the washer to upright position carefully with assistance.
38. Reconnect the tub to the transmission platform by installing the tub mounting bolts or clips and tightening securely.
39. Reinstall the spin basket by lowering it into the tub and onto the transmission spin tube. Install the basket drive block bolt and torque to specifications (typically 40-50 ft-lbs) using a spanner wrench.
40. Reinstall the tub cover (splash guard) by positioning it over the tub and installing the perimeter screws.
41. Reinstall the agitator by sliding it onto the transmission output shaft, aligning the shaft flats or splines. Install the agitator bolt and torque to specifications (typically 25-35 ft-lbs).
42. Reinstall the agitator cap and fabric softener dispenser (if applicable).
43. Reconnect all wire harnesses according to your photos and labels.
44. Reinstall the washer cabinet by positioning it over the washer frame and lowering it into place. Install the cabinet mounting screws and tighten securely.
45. Reinstall the console by positioning it on the cabinet and installing the mounting screws.
46. Move the washer back to its installation location.
47. Reconnect the drain hose to the standpipe or laundry sink.
48. Reconnect the water inlet hoses to the rear of the washer and tighten securely.
49. Turn on the water supply by opening the hot and cold water shutoff valves.
50. Check for water leaks at all hose connections.
51. Restore power by plugging in the washer.
52. Run a test cycle (small load, normal wash) to verify proper operation.
53. Verify the agitator moves back and forth smoothly during agitation.
54. Verify the basket spins at high speed during spin cycle.
55. Listen for unusual noises during operation—washer should operate smoothly and quietly.
56. Check for oil leaks under the washer after the test cycle.
57. If the washer agitates and spins properly with no leaks or unusual noises, the repair is complete.

Safety Notes: This is an advanced repair requiring professional-level skills and tools. Transmission is very heavy (15-25 pounds)—get assistance for lifting and positioning. Take extensive photos during disassembly for proper reassembly. Label all wire connections before disconnecting. Torque all bolts to manufacturer specifications. Verify proper alignment of all drive components. This repair typically takes 3-5 hours for experienced technicians, 6-10 hours for DIY with advanced skills.

1. Transmission replacement is one of the most complex washer repairs—consider the washer's age and overall condition before investing in this repair. If the washer is over 10 years old or has other significant problems, replacement may be more cost-effective than transmission repair. Transmission replacement typically costs $400-600 in parts and labor.
2. Always inspect the motor coupling, clutch assembly, and drive components during transmission replacement. Worn couplings or clutches cause premature transmission failure. Replace these components together to prevent repeat failures and additional service calls.
3. Transmission failures are often caused by overloading the washer—educate users about proper load sizes. Overloading causes excessive stress on gears, bearings, and clutch components, leading to premature wear and failure. Maximum load is typically 12-16 pounds (dry weight) for standard capacity washers.
4. Oil leaking from the transmission indicates seal failure—this requires complete transmission replacement. Transmission seals cannot be replaced separately in most models. Oil leakage causes bearing damage and eventual transmission failure. Replace the transmission promptly when oil leakage is detected.
5. The transmission weighs 15-25 pounds and requires precise alignment during installation. Use proper lifting techniques and get assistance. Misalignment causes binding, excessive wear, and premature failure. Take your time during installation to ensure perfect alignment.
6. Torque all mounting bolts and drive component bolts to manufacturer specifications. Under-torquing causes looseness and vibration; over-torquing damages threads and components. Use a torque wrench for critical fasteners (transmission mounts, basket drive bolt, agitator bolt, motor coupling).
7. Take extensive photos during disassembly—transmission replacement requires complete washer disassembly. You'll need detailed visual references for wire connections, component positions, and assembly sequence. Take photos from multiple angles at each disassembly step.
8. Test the washer thoroughly after transmission replacement—run multiple complete cycles. Verify proper agitation action, smooth transition to spin, high-speed spin operation, and no unusual noises or vibrations. Check for oil leaks under the washer after several cycles.
9. Transmissions typically last 10-15 years with normal use and proper loading. Factors that shorten transmission life include frequent overloading, unbalanced loads causing excessive vibration, manufacturing defects, and lack of maintenance. Proper use and load balancing maximize transmission life.
10. If you're not comfortable with this level of repair complexity, hire a professional technician. Transmission replacement requires advanced mechanical skills, special tools (spanner wrench, torque wrench, agitator puller), heavy lifting capability, and 4-6 hours of labor. Improper installation causes immediate failure and potential safety hazards.