Moen Motor Spinning Under Light Load (Decoupled or Slipping)

Moen garbage disposal makes a high-pitched whine but does not grind effectively

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Partially stripped internal coupling, Jam plate not fully engaging with rotor, Broken or missing impellers, Internal mechanical failure

Safety first: Turn off and unplug the disposal.

Visual inspection:
- Look into the grind chamber while briefly turning the unit on (keep clear of the opening).
- If the motor spins but the jam plate barely moves or wobbles, the coupling is failing.
No internal repair:
- Internal couplings and jam plate connections are not serviceable.
Replace disposal:
- Remove and replace the Moen disposal to restore proper grinding.

Hard 4/5

Jam Plate / Motor Coupling

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