If your dryer vent is too long to efficiently use a vacuum to remove the lint buy a dryer vent kit for an alternate.
Diy dryer duct cleaning kit.
Take the large dryer vent duct brush in the kit and use it to make your dryer s duct shine.
Then give it a trial run before sliding it back.
Safely disconnect your dryer by unplugging the power cord from the outlet or turning off the gas or propane.
Now that your vent trap is clean it s time to check out the situation with the dryer vent duct.
Put all of the dryer components back together and plug it in.
The first step to cleaning a dryer duct is to feed the brush into the duct and move it back and forth while slightly.