Might be the fan which is driven by the smaller belt - mine was making a row and not really going around properly. I replaced it and later the jockey wheel as the main belt got shredded. Another possibility is that fluff is blocking the airflow somewhere - I vacuum mine each time I replace a part.
There is also quite a bit of discussion on
www.ezee-fix.co.uk.
BobG
March 2004
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