Hello and thanks for using this service.
Sorry to hear about the problem you are having with your dryer :(
If the motor run and the drum turns but no air is blowing out the back, you have one of two problems
1. lint is built up inside the air system and is blocking the air flow. Which means you will have to take it apart all the way to the blower fan and check it out and clean as needed.
2. The blower fan blade is broken and not connected to the motor, so it will not move air.
You would have to take it apart and replace the fan blade.
Here is a drawing of your dryer. The fan blade is item 481 to give you an idea of where it is located.
Any other questions, just ask me:)
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I thought I would add, that many people think the payment they placed is sent to me after I answer their question. But,it is held by JA until you give me a positive rating and then JA credits me for my time working with you.
Thanks for the opportunity to help you out and feel free to come back to this question anytime with no additional charges after rating and your position will be saved. Bonuses are always appreciated, but never required, unless you feel I have given you exceptional service.