The 3 most common part(s) or condition(s) which cause the symptom Dryer is too hot are listed below starting with the most likely. Check or test each item and watch any available videos.
Dryers need good ventilation to work properly. If the vent is clogged it can make the dryer too hot. Clean all of the vent tubing thoroughly.
RepairClinic Item # 1267485
Most dryers have a felt seal at the front and rear of the drum to keep the heat inside the drum. If the felt seal is worn away or missing, the dryer may keep heating and make the dryer too hot. This is not common.
RepairClinic Item # 1268176
A defective blower wheel will not spin properly and will not vent the hot air, making the dryer too hot. Check to see if there is adequate airflow out of the dryer.