This defrost timer cam replaces the plastic cam on a mechanical defrost timer. It restores the timer's changeover between cooling and defrost, helping prevent frost buildup on the evaporator and temperature swings inside the refrigerator.
- Mounts on the timer shaft to actuate the internal switch between cooling and defrost
- Helps resolve issues like heavy frost on the evaporator, warm fresh food section, or a unit stuck in defrost/run
- Corrects timer advancement problems caused by a stripped, cracked, or missing cam
- Typically installed with the defrost timer in the control housing or rear service area
What's included: 1 defrost timer cam Install notes:
- Disconnect power before servicing
- Access the defrost timer and note the original cam's orientation for reference
- Remove any retainer, pull the old cam straight off, and press the new cam fully onto the shaft without forcing
- Reassemble, then manually advance the timer to confirm it switches modes before restoring power
Do-It-Yourself Stories from Customers like You
Erratic cooling ice buildup in freezer Donald M. • Stover , MO • March 13, 2015
I replaced the Thermostat and Defrost Timer. It was a fairly easy repair other than removing the old Defrost Timer. The way the manufacturer, in this case, Amana, mounts that unit with "clips" is just poor design and engineering. It is virtually impossible to get the timer out without damaging the mounts. I had to do some creative rework to mount the new timer.
After 2 days, the fridge appears to be working properly with these new parts.
The new parts were shipped Very Fast...APP is...
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