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HomeRepair HelpBosch Dryer RepairBosch Dryer drum not turning Repair
Bosch Dryer drum not turning
If the drum in your Bosch dryer has stopped turning or the dryer is not spinning, the most common culprit is a broken drive belt — reach into the drum and try turning it by hand; if it spins easily the belt is likely snapped and needs replacement. Next check the drum support rollers and their axles, because worn rollers or axles will make the drum hard to rotate and can overload the motor; replace all rollers and axles as a set if they show wear. An obstructed blower wheel or a seized idler pulley can also prevent the drum from turning, so inspect the blower housing and idler for debris or binding. A faulty timer can stop the drum, but that is rare and should be tested only after you’ve ruled out the more likely mechanical parts. If you need parts, enter your model number on RepairClinic.com to find the exact replacement drive belt, rollers, idler pulley or timer for your dryer.
01 - Bosch Dryer Drive Belt
The drive belt is a very long, slender belt that wraps all the way around the dryer drum, around a tension pulley, and then around the drive motor pulley. Over time, the belt can break from normal use. If the belt is broken, the dryer won’t turn. To quickly determine if the belt is broken, reach into the dryer and turn the drum by hand. If the drum spins very easily, the belt is likely broken. Next, inspect the belt to confirm that it is broken. If the belt is broken, replace it.
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02 - Bosch Dryer Timer
A dryer drum not turning could be caused by a faulty timer. However, this is very rarely the case. Before replacing the timer, check all the more commonly defective parts. If you determine that all of the other components are working properly, test the timer by using a multimeter and consulting the wiring diagram. If the timer is defective, replace it.
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03 - Bosch Dryer Drum Roller
Most dryers have two drum rollers on the rear of the drum, and some dryers have two more rollers supporting the front of the drum. The rollers must spin freely to work properly. If the drum rollers are worn out, the dryer won’t turn properly. To determine if the support rollers are worn out, remove the belt from the dryer and try turning the drum by hand. If the drum does not rotate freely, check the support rollers for wear. If one or more of the rollers are worn out, we recommend replacing all of the rollers at the same time as a preventative measure. (The roller shaft can often be reused if it is in good condition. Clea...
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04 - Bosch Dryer Blower Wheel
The dryer blower wheel is the component that circulates the air through the dryer drum. Since the drive motor that rotates the blower wheel will often drive the belt that turns the drum as well, an obstructed blower wheel could prevent the drum from turning. Inspect the blower wheel and housing for any obstruction and replace the component if necessary.
Highly Likely
05 - Bosch Dryer Drum Roller Axle
One or more of the drum roller axles might be worn out. Most dryers have two drum support rollers on the rear of the drum, and some dryers have two more rollers supporting the front of the drum. The rollers must spin freely to work properly. If the roller axles are worn out, the rollers may not spin freely, causing the motor to overload and the dryer to stop. To determine if the drum roller axles are worn out, remove the belt from the dryer and try turning the drum by hand. If the drum does not rotate freely, check the support rollers for wear. If the rollers spin freely without wobbling, the axles do not need to be replac...
Highly Likely
06 - Bosch Dryer Idler Pulley
Inspect the idler pulley for the dryer drum belt and make sure it spins freely on the shaft. If the idler pulley is stuck, worn or damaged, we recommend replacing the drum drive belt in addition to replacing the idler pulley.
Common
Frequently Asked Questions
My dryer drum is not turning. What should I check first?
Why does my dryer start then stop after a few seconds?
My dryer is making a loud squeaking or grinding noise when the drum turns. What parts cause that?
Could a faulty timer cause the drum to stop turning?
How do I enter my model number at RepairClinic.com to find the correct replacement part?
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