Gas dryer stops rotating after starting

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Brand: GE
Model Number:DPVH890GJ1MV
Main Symptom:stops rotating after starting
What happens & when:Dryer stops rotating after about 10 seconds

Error Code (if any): E12 drum motor(!?)
Parts or tests already tried:Most ServiceMode Tests seemed to be normal, except the drum did not change direction during Outlet Thermistor test, and the Steam Test never completed (probably because the metal tension clamp connecting hose to the steam generator broke; new clamp coming today). No lint buildup in exhaust duct.The dryer run time has increasingly shortened over many months—I used to have to run a modest-size load through twice to dry.
Photos / video link:

Getting an E12 error code will indicate that there is a fault with the motor and would need to replace it. Here is a link for the part.

https://www.appliancepartspros.com/ge-motor-and-pulley-we17x20854-ap5807052.html

Here you can use this service manual.GE PROFILE DPVH890EJ TECHNICAL SERVICE MANUAL Pdf Download | ManualsLib

The manual link was very helpful; thank you. After the install of the motor, it seemed that the repair was successful. The dryer rotated at length with no stops, both directions. However, when a load of clothes was put into the dryer, the rotation stopped exactly like before. Please advise next possible course of action.