When your Tappan dryer makes noise as the drum turns, the most common culprit is a worn or frayed drive belt. A damaged belt will rub and slap as it turns, creating squeaking or a thumping sound, and replacing the belt usually fixes it. Next most likely are worn drum rollers or their axles; bad rollers cause a loud rumbling or wobble and you should replace all rollers (and axles if they wobble) to stop the noise. An unlevel dryer can accelerate wear and lead to noisy bearings and glides, so check the feet and level the cabinet. A clogged or wobbly blower wheel will also make loud noise and reduce airflow, so clear lint and inspect the wheel for wobble. Finally a worn drum bearing will make grinding or squealing when you spin the drum by hand. Inspect these parts in order, and if a part is worn replace it. Enter your model number on RepairClinic.com to find the exact replacement part for your specific dryer and get step by step repair help.
01 - Tappan Dryer Drive Belt
The drive belt is a very long, slender belt that wraps all the way around the dryer drum, around a tension pulley, and then around the drive motor. Over time, the drive belt can become frayed or otherwise damaged. If the drive belt is frayed or damaged, the dryer will be noisy as it turns. Inspect the drive belt for signs of wear. If the drive belt is worn, replace it.
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One or more of the drum rollers might be worn out. Many dryers have two drum support rollers on the rear of the drum, and some dryers have two more rollers supporting the front of the drum. When the drum rollers are worn out, they can cause the dryer to make a loud rumbling noise. To determine if the rollers are worn out, inspect the rollers. If one or more of the rollers are severely worn, we recommend replacing all of the rollers at the same time as a preventative measure. (The roller shaft can often be reused if it is in good condition. Clean the shaft thoroughly before installing the new rollers.)
One or more of the drum roller axles might be worn out. Most dryers have two drum support rollers on the rear of the drum, and some dryers have two more rollers supporting the front of the drum. Over time, the drum rollers and axles wear out, causing the dryer to make a loud rumbling noise. To determine if the drum roller axles are worn out, remove the belt from the dryer and try turning the drum by hand. If the drum does not rotate freely, check the support rollers for wear. If the rollers spin freely without wobbling, the axles do not need to be replaced. If a roller wobbles and/or does not spin freely, we recommend repl...acing all of the axles and rollers as a preventative measure.
Confirm the dryer is level. A dryer that is not level can cause excessive wear on certain parts such as bearings and glides, resulting in noisy operation. If the dryer is not level, adjust the leveling legs as necessary.
Highly Likely
05 - Tappan Dryer Blower Wheel
The blower wheel draws air through the dryer and pushes the air out the vent. Clumps of lint, socks, and small articles of clothing can escape the lint filter and get caught in the blower wheel. If an object is caught in the blower wheel, the dryer may make noise. In addition, the blower wheel sleeve can wear out, allowing the blower wheel to wobble on the motor shaft. To determine if the blower wheel is working properly, remove the dryer vent and assess the strength of the air flow. If the air flow is weak, check the blower wheel for obstructions. If no obstructions are present, try rotating the blower wheel by hand. If t...he blower wheel wobbles as it turns, replace it.
The drum bearing supports the rear of the dryer drum. Over time, the drum bearing wears out. If the drum bearing is worn out, the dryer may make noise. To determine if the drum bearing is at fault, remove the dryer belt and try turning the drum by hand. If the drum rotates freely, it is unlikely that the drum bearing is worn out. If the drum makes squealing or grinding sounds when turned and/or is hard to turn, check the drum bearing and replace it if necessary.