Kenmore 100 banging during spin cycle

Washer Repair
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1

I have a Kenmore 100.20022011 that is banging around when it starts spinning at the end of the wash cycle. It becomes unbalanced and the tub begins to bang around against the outside of the machine violently for anywhere between 5-20 seconds. At that point it seems to work itself out and finishes the rest of the cycle without any issues. I have checked the suspension rods, springs, and ball joints. All of these seem to be in working order. Is it possible for these to need replacement without anything visibly wrong? What else could be causing this issue? Thanks for your input.

[EDIT] This washer is actually about 5 years old.

2

Your model number should read 110.20022011 which is manufactured by Whirlpool. I suspect it is your support rods (springs) are bad. Try the bounce test. With the tub completely empty, open the lid push down on one corner of the tub. Release and see if the tub bounces. Try all four corners. If any bounce at all (the tub should spring back up and stop) then replace the springs (support rods) which can be found @ Whirlpool W10780048 Suspension - AppliancePartsPros.com

3

This worked! Thanks for the help!