If the sound is like a loud screeching. That comes on and off. Then one of your belts is rubbing and might be damaged. So i suggest that you inspect them.
Sounds like a loose or worn belt
Loose belt - will sound like a screeching noise.
Sounds like a loose or worn belt, alternator or fan tends to do that when they get worn or loose.
sounds like the alternator belt is loose, check it out and let me know.
This sounds like you have a loose or worn drive belt. Check all the belts and their tension.This sounds like you have a loose or worn drive belt. Check all the belts and their tension.
It is probably a belt noise. The belt is probably loose, have it tightened. If that does not fix it you can try some stuff called belt dressing, sold at auto parts stores.
It sounds like the fan belt is slipping. Try tightening up the fan belt, or try rubbing resin on the fan belt to give it more friction.
Belts squeak because they are loose. First fix that. The boom noise is the loose belt slapping around and hitting something. Losing power happens because the lose belt causes your generator to stop working. When the electricity goes off, it tells your computer, "Something is drastically wrong." The computer then slows down the engine.
Sounds like a loose alternater belt.
If you hear a vibrating noise in your wall, it could be a sign of a potential issue like a loose pipe or electrical wiring. It's important to investigate the source of the noise and address it promptly to prevent any potential hazards. Consider contacting a professional, such as a plumber or electrician, to inspect and resolve the issue.
Sounds like a loose timing chain.
AnswerSounds like a loose or worn accessory drive belt. there are two belts, check the one going to the a/c compressor, you should be able to turn the belt about half way around, if it's too loose or tight, adjust it, if that doesn't work, replace the belt.