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Your AC may make a loud noise when it turns off due to the sudden change in pressure within the system, causing components to vibrate or move. This noise is typically normal and not a cause for concern unless it is excessively loud or accompanied by other issues.

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AnswerBot

4mo ago

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Why would a car make a LOUD vibration noise when started---then when shut off and restarted the noise is NOT present?

because of you


Why does the AC make a loud noise when turning off?

The loud noise from the AC when turning off is often caused by the sudden release of built-up pressure in the system as the compressor shuts down. This pressure release can create a loud "whooshing" or "popping" sound.


Why does my air conditioner make a loud noise when turning off?

When an air conditioner makes a loud noise when turning off, it could be due to the sudden release of built-up pressure in the system. This can cause components to vibrate or move, creating the noise. Regular maintenance and checking for loose parts can help reduce the noise.


Why is the central air conditioner making a loud banging noise when it turns itself off?

That depends on where it's comming from, if it's an outside noise, it's probably a faulty mount and the motor is moving when it turns off. If it's an inside noise, it could be the ductwork flexes a little when the blower is running and "pops" back into place when the blower turns off. Finding the exact location of the noise will go a long way toward figuring out what's wrong. Check the filter? maybe it is too dirty or else......


Why does central air make a knocking noise when it turns off?

The knocking noise in central air systems when they turn off can be due to the metal ducts expanding and contracting as the system heats up and cools down. This is a common occurrence and does not necessarily indicate a problem with the system. If the noise is loud or persistent, it could be a sign of loose components that may require professional attention.


Why would a 2004 Buick Renedevous make a loud whistling noise when you turn off the ac?

i think it is the fan and or compresser slowing down


Why does my AC unit make a loud noise when turning off?

When an AC unit makes a loud noise when turning off, it could be due to the sudden release of built-up pressure in the system, causing vibrations and rattling. This noise is often normal and not a cause for concern, but if it persists or gets louder, it may indicate a problem that needs to be addressed by a professional technician.


Why does my car make a loud tractor type noise when accelerating and when I start my car it is also slow to accelerate?

Sounds like your ignition timing is off.


1990 ford aerostar makes loud noise when started?

Loud noise is not a good description. If its a loud squeal turn the air conditioner or defroster off. If the squeals goes away the compressor or the clutch for the air conditioner compressor is locked up.


Why does the ps3 make loud cracking noise?

Whenever the ps3 experiances major temperature fluxuations, usually after turning the system on or off, the plastic will flex creating a cracking noise. This noise has been observed on the slim models as well as older models of the Ps3


Is it normal for a central air conditioner to be making a loud buzzing noise off-and-on from outside?

it depends on how loud it really is, because unless it's unusually loud then yes it's normal. All that is, is you compressor cycling on and off to your temperature setting. When the temperature goes above the setting it turns on so it doesn't get too hot. When the temp falls below the compressor will shut off so it don't get too coldAnswerit depends on how loud it really is, because unless it's unusually loud then yes it's normal. All that is, is you compressor cycling on and off to your temperature setting. When the temperature goes above the setting it turns on so it doesn't get too hot. When the temp falls below the compressor will shut off so it don't get too cold


What makes a loud piercing noise that suddenly wakes you up and jolts your body when you are dozing off to sleep?

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