Originally Posted by keepsake (Post 2148225)

I have experience with car dealerships, they get vehicle for nothing more than an oil change and return it to you with a starter problem. iow: spill fluid in starter.
Quite likely there are appliance maintenance scammers that cleaned the duct and damaged 'stuff' at the end of the duct, inside the dryer, as they 'cleaned' the duct.

Originally Posted by nn0wheremann (Post 2148450)

You likely got the same Bozo I hired. He did not have enough extenders for his vent brush, and just shoved all the lint into a thick impermeable wad near the top of your vent. Hire someone who knows how to do the job, or go up on the roof and clear the lint jam from the top.