Noise, possible low exhaust flow

1 Disconnect dryer from electrical outlet
2 remove vent pipe
3 Tilt dryer backwards and remove front cover bottom 2 philips screws.
4 remove lint assembly and then the fan blower housing with nut driver.
5 with pliers remove retainer clip from fan
6 remove snap ring with pliers or a flat blade screw driver will also work.
7 remove fan
at the same time I replaced the front glides if you do not want to do this then reinstall in reverse order and job is complete.

for glide replacement
1 remove the 4 screws holding the outer ring to the frame of the dryer.
2 drill out old rivits from the back side and then knock out. be careful to only drill rivit and not into metal frame
3 install new new glides makesure you install in correct direction.
4 install pop rivets with stud end on top side of glide. pushing rivet through glide and into the frame ring.
5 pop rivits and make sure they are secure.
6 reinstall ring making sure seal is around ring correctly
7 reintal 4 screws.
8 follow reassembly of blower and lint housing if you changed the fan. if not then just the lint assembly.

good luck the job is really easy and you will save yourself some money