A washing machine motor coupler is most often used in direct-drive washing machines in lieu of using a belt. In the case of a Whirlpool built washer for example, he motor coupler transfers the mechanical rotation of motor to the washer transmission. It consists of a rubber grommet with plastic splines on each end. The rubber grommet absorbs the torque of the motor when it is overcoming the inertia of the transmission. Since the motor coupler is the primary mechanical link between the motor and the transmission, they represent a common failure point in domestic washing machines. Thus, there is a fairly large market for washer motor coupler from appliance parts suppliers.
Washer Motor Coupler
How to buy Washer Motor Couplers
There are numerous websites out there that sell Washer Motor Couplers. Pay close attention to the price and shipping charges. Many websites will charge a low price for Washer Motor Couplers, but a high price for shipping. Also, try to buy Washer Motor Couplers from the original equipment manufacturer (OEM), if possible. This will help ensure that they are within the proper specifications for your appliance.
Washer Motor Coupler Troubleshooting and Repair Tips
How do you know if your washer motor coupler is bad? Motor couplers are often used on direct-drive washing machines. Whirlpool washers have a line of washers that use direct-drive motor couplers. In the case of certain Whirlpool or Whirlpool-made washing machines, the motor coupler mechanically connects the drive motor to the transmission. It endures a lot of mechanical stress. Especially during start-up and stopping of the motor. The primary symptom of a bad motor coupler in such washing machines is that there is no agitation or spinning action, accompanied with the sound of the motor running. Thus, the motor is running, but there is no mechanical connection to the transmission. The motor will simply run, but nothing else happens. In this case, the coupler has likely cracked.
To replace the coupler in such a washer, first unplug the washer. Remove the top console by either removing the screws or using a putty knife to unsnap the top clips. Rotate the console back. Pull the washer front off by tilting back. Set aside. Remove the clips holding the pump and motor on. Remove the bolts holding the motor on. Inspect the coupler and replace with a coupler if necessary. Replace with a coupler that meets specifications for your washer. Re-assemble the motor and pump assembly. Re-assemble the washer in reverse order of disassembly. Plug in and test by running the washer through the cycles.
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