Question about Bosch Nexxt WTMC 6300 Electric Dryer

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Brand new Dryer with loud noise and hot

The dryer is brand new and within 3 minutes of it running it makes a rumbling sound that doesn't sound normal at all. The inside seems really hot too but that may just be me. The longer it runs the louder it gets and after 40 minutes it sounded like it was going to blow up and had a funny smell so I shut it off and unplugged it. The exact model is Bosch WTMC6321US Nexxt 700. Thanks

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Contact bosch for factory service on the unit

Posted on May 11, 2008

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Posted on Jan 02, 2017

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Ge dptg750ec make loud rumbling noise after replacing blower


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Loud rumbling noise with slight vibration


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KENMORE DRYER


Hello ENRIGHT11 Welcome to Fixya
My name is Huum,


You said,
DRYER MAKES VERY LOUD NOISE WHEN RUNNING. ALTHOUGH IT HEATS UP AND BEGINS TO DRY, IT STOPS RUNNING COMPLETELY AFTER ABOUT 5 MINUTES. IF YOU WAIT AN HOUR, YOU CAN START IT AGAIN, BUT IT AGAIN SOUNDS VERY LOUD (ALMOST A RATTLING SOUND) AND THEN SHUTS OFF AFTER 5 MINUTES

Faulty Blower Wheel

If you hear a great deal of noise coming from the blower area of the dryer when it is running, then the blower wheel could be defective.

The are many different designs for blower wheels and just as many unique failure modes. Vanes (fins) can break off the wheel and bounce around in the blower breaking more pieces. The blower can break around the coupler with the shaft. This can cause the blower to spin loosely on the shaft. The blower can form cracks which cause it to vibrate, etc.

You should also not be surprised to find foreign debris in the blower. The occasional bird, rodent or squirrel has been known to bypass the out vent cover. If they crawl into the exhaust tube the first thing they come into contact with is the blower wheel.

If the blower wheel is not spinning, or if it is missing vanes, it is not moving air efficiently. As a result, heat is not removed from the heat source and it can trip the high limit switch or blow the thermal cut-off.
Worn Belt
A worn belt can stretch and/or become brittle with age. The belt can then slip on the drum or motor to cause squeaking. If this is the case, the solution is to replace the worn belt.

The belt is not the only item that can cause squeaking. It can also be caused by a faulty idler pulley, worn drum bearings, worn drum glides or worn drum rollers depending on brand and style.

When replacing the Belt is is a good idea to also change the Drum Support Rollers, Drum Glides, Idler Pulley and Clips. All of these items are economical easily changeable when replacing the belt. The upside is that your dryer will operate like new.

Recent Customer Symptoms:
Dryer makes loud noise when turned on. Dryer works and heats up OK but makes too much noise.
Worn Drum Glides
Some dryer models are equipped with Drum Glides. The front of the dryer rests on these glides. They provide a low friction surface on which the drum spins. After time however, this glides wear down. Much like an automobile brakes, these glides make a load grinding noise when they wear thin. This griding against the drum usually leaves a bare metal stripe that is visible at the point of contact. If the glides are worn, the solution is to replace them.

The drum glides not the only items that can cause squeaking. It can also be caused by a faulty idler pulley, worn drum bearings, a worn belt or worn drum rollers depending on brand and style.

When replacing the Drum Glides it is a good idea to also change the Drum Support Rollers, Drum Belt, Idler Pulley and Clips. All of these items are economical and easily changeable when replacing the glides. The upside is that your dryer will operate like new.
Worn Rear Drum Bearing
Some dryer models are equiped with a Rear Drum Bearing. The rear of the drum rests on this bearing. It provides a low friction surface on which the drum spins. After time however, this bearing will wear down. If the bearing is worn, the solution is to replace it.

The rear drum bearing not the only item that can cause squeaking. It can also be caused by a faulty idler pulley, worn drum glides, a worn belt or worn drum rollers depending on brand and style.

When replacing the rear drum bearing it is a good idea to also change the drum glides, drum support rollers, drum belt, idler pulley and clips depending on make and model. All of these items are economical and easily changeable when replacing the rear drum bearing. The upside is that your dryer will operate like new.
Worn Drum Support Rollers
Some dryers such as Whirlpool/Kenmore brands are equipped with Rear Drum Support Rollers. The weight of the dryer drum rests on these rollers. They provide a low friction surface on which the drum spins when in operation. After time however, these rollers wear down. When they wear, often times they begin to elongate and form a non-round 'cam' shape. The result is that when the dryer is turned on it creates a rumble that sounds as though you are trying to dry a pair of tennis shoes. This sound is usually the drum being forced up and down on the non-round wheels. If the rollers are worn, the solution is to replace them.


When replacing the Drum Rollers it is a good idea to also change the Front Drum Glides, Drum Belt, Idler Pulley and Clips. All of these items are economical and easily changeable when replacing the glides. The upside is that your dryer will operate like new. Whirlpool
Kenmore models have a dryer maintenance kit that contains all of these items in a single kit.


Recent Customer Symptoms:
Dryer makes loud noise when turned on. Dryer works and heats up OK but makes too much noise.


Recent Customer Symptoms:
Dryer makes loud noise when turned on. Dryer works and heats up OK but makes too much noise.


Recent Customer Symptoms:
Dryer makes loud noise when turned on. Dryer works and heats up OK but makes too much noise.


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Jan 21, 2009 | Kenmore 63942 Dryer

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Noise from dryer


drum has worn drum bearing dryer top AND rear panel must be removed to acess the rear of drum to replace drum

Sep 24, 2007 | Zanussi TC7102W Electric Dryer

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