my is70c condenser dryer sounds like a train( lots of noise ) ive cleaned it. very worried about using it .it seems to be working as it should apart from the noise
this is a very common problem if it sounds like metal on metal you will need a shaft mod kit part number 1703080 from hotpoint but if you have never done the repair get a expert in or the other problem is the impellor on motor inside ducting sorry cannot remember part number.
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Try fixfault.com to fix tumble dryers.