I have an hotpoint aquarius ctdoo reverse action condenser dryer when on there is a scraping coming from the back sounds like metal on metal what will it be and how much will it cost
difficult to answer these questions.Cost depends where you live and callout fees in that area.could be bra wire down the back to a drum bearing failure but without taking it to bits to examine its impossible to say for sure.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix tumble dryers.