the front bearings are most likely the culprits, if you can pinpoint it to these you need to stop using it immediately until repaired as continued use will write off the machine
keymatic
June 2012
I can answer this question...
how can i fix my hotpoint first edition dryer tl51?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix tumble dryers.