My drier make big frekvent sqeaky noise
Take the dryer apart and check the front bearings and the rear rollers (#8 & #21 on the diagram).
Here is the Service manual.
Here are the breakdown diagrams and Replacement parts for MAYTAG LDG9806AAE Dryer - Gas | AppliancePartsPros.com
Gene.
P.S. It’s a good time top clean the dryer from the lint.