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If the unit is only 6 months old, there isn't much you're going to want to do yourself because taking the dryer apart will void the warranty so I would just call warranty. As for the squeak, it could be a loose bolt from the factory causing 2 panels to rub against each other as the dryer vibrates, or more likely would be a dry bearing on one of the drum rollers meaning you'd need a new drum roller or idler pulley.
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