How to change a washing machine belt

Sounds like the belt that spins the washing drum is slipping. It my need to be adjusted or replaced, or try washing a smaller load of laundry.

Washer Start Button Replacement -GE Top-Load Washing ...

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www.youtube.com/watch?v=tEVwT4mL9ZU
Sep 27, 2012 - Uploaded by RepairClinic.com This video provides step-by-step repair instructions for replacing the start button on a GE top-loading washing ...

387780 does not seem to be a valid model number.
If you can locate the model number enter it here at sears Parts Direct.
Parts for Brands Craftsman GE Kenmore Whirlpool and more

Link to videos about washer not spinning.
top loader kenmore washer won spin YouTube

give me idm serial number

Check the lid switch. See if the magnet is still attached to the lid.

Tony could you give me a little more info? Is this a machine you just got or one that's been running just fine till now? Is it a top loading machine or a front loading machine? Because if this is a top loading GE for example i'd say, see if the agitator spins freely in both directions if it is and if it does i'd give you some instructions on an easy repair. However if you said it's a whirlpool top loader i could probably give you a link to a youtube vid that'll show you step by step how to fix it. Etc. Etc. Thanks.

log on to applianceaid.com/appliance-repair-help. find your make ,model and they will give you step by step instructions on the repair. the site also includes pictures of every detail. good luck ,Steve

The belt could be broken, if not. Unplug washer for 2 minutes, plug back in, open and close lid 7 times, this should reset electronic motor.

Pull up sharply on the agitator to remove it from the shaft. Check the agitator mounting cup underneath it is probably stripped out. It is a replaceable part.
If the agitator is difficult to pull up,use a old strong leather belt under the agitator and pull it off using the belt.

Hello , i can try to help , I have always got these belts on by starting the belt on the small pulley/motor , then rolling it on the large pulley , kinda like putting a bike chain on. Let me know if you have any other questions and how it turns out.

Phil