My dryer - not even 2 years old - is running louder than it normally does. Any suggestions would be great. I clean the filter with each load; not sure what else what I should do. I have treated it with kid gloves and I am the only one who uses it.
It sounds like your motor may be going out (search for motor replacement solution here).
Hopefully it is just a problem with grit in the system, or perhaps the felt gaskets have worked themselves loose. Either way, to clean out grit and inspect the system you'll need to access the interior and remove the drum. Here's how:
This will require you to disassemble the dryer. This is not hard - it will require the following tools:
crosstip medium screwdriver 1/4 inch socket 5/15 inch socket
TURN OFF GAS
Disassemble by taking apart the FRONT of the dryer:
a. Remove the door and opposite side door plugs (crosstip screws)
b. Remove the front panel - this exposes sheet metal bolts (5/16 inch) some with crosstip on left and right of unit. Set panel aside (right side) WITHOUT unplugging wires
c. Unscrew all the exposed bolts.
d. Top bolts left and right secure the unpainted metal hooks which secures the top of dryer. Unscrew these bolts and wiggle the metal retainer hooks off. Lift top and support to create 6 inch gap in the front (top unit hinges in back and has electrical connections - do NOT disconnect wires)
e. Release belt from pulley by reaching left and under drum (this is out of sight)
f. gently lift out drum and belt and set aside
This has exposed the interior.
Now: Maintenance time!
Using compressed air blow out all vents and the motor.
Wipe dust and grit out of crannies
Vaccuum bottom interior
Blow it out again
Using ultra fine steel wool (#0000) rub all contact areas of drum - belt region, and ends that contact the felt gaskets and the rollers at the rear
Check to ensure the felt gasket is in good shape all around the drum contact area. If it is torn, malformed or missing you'll need to replace. With any luck this is where your noise is coming from.
Check the blower cage. Ensure this is free of grit. It is worth taking off the eight screws to wipe out/blow out interior.
Worse case scenario - your motor is on the fritz (although this motor should give you 8-12 years of service). This will require removal, replacement. Motor cost is about $100. Labor will be more.
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You may have a clogged air vent, check that the air vent hose is not smashed, if it is not smashed, have your dryer vent cleaned professionally, all the way from where the dryer connects to the wall to where the vent leaves the home,
Recheck the dryer operation, dryer vents should be cleaned every other year for optimum performance
You have not mentioned the brand or year or model number, but most dryers have one of 2 systems.
One older system has a bearing back there, inside the machine, but outside the drum.
That bearing can fail, causing this.
I have had several of these, and am using one now.
The dryer must be completely disassembled and the bearing replaced.
The second type uses pulleys in the back and plastic bearings (nothing more that flat pieces of plastic) in the front.
The wheels or plastic plates can wear out, also causing these symptoms.
In either case, now is the time to fix it.
God bless your efforts.
Sounds like you have bearings problems that need need grease. Normally the drum rests on two separate bearings up front and one located at the drum center at the rear. Since you know how to take it apart you should be able to locate the bearings. A mall amount of general purpose grease will do the trick. The scatching noise may come from loose object floating around, may be a shirt button ? investigate.
Good luck and good repairs. A dryer repair is not too difficult since you have already checked to condition of the belt...Here an extra tip for the performance of your dryer, always clean the screen air filter with soap an water to remove the invisible screen deposit by the Fabric Freshner Sheet also called Fleecy. This will allow air flow to exhaus the dryer more freely.
If you can open the walls of the dryer up check all screws and bolts that hold things together. Some times they will vibrate loose causing parts to make a vibrating sound against the frame itself.. Eventually the loose screws will just keep getting looser. Even the screws on the walls of the unit should be tightened That could cause a lot of noise.
I am assuming that the hum indicates the motor is running but the drum is not turning. Possibly a broken drum belt however the check filter warning is indicating low air flow so the blower wheel could be broken at the connection to the motor shaft.
if you are sure vent is ok ..did you try a load with vent disconnected??...there is a chance there is something blocking air flow in lint screen/blower housing ..remove the 2 screws under filter remove all back screws remove 4 screws holding blower housing in place ..you then can pull complete housing out back