Whining noises when accelerating are annoying. Every time you start the vehicle, you are startled because the noise could disturb your neighbors. Why is this happening and how can you get rid of this embarrassing problem? With frequent use over time, many vehicle components wear off and show problems. It is not something that can prevent you, but it is possible to diagnose the cause and find a solution before it gets worse. Well, here's how to handle a loud car:

1. Inspect the transmission

You should do a thorough transmission check if the car makes a groaning noise when accelerating. This can happen due to a low gear oil level or worn gears. Low fluid levels can cause all kinds of problems, and bizarre noises are the first things you
can do with them. Recognizing this problem and replenishing the fluid can save you a lot of money on the road.
If the noise starts only when the vehicle is in motion, there must be problems with one or more gears and bearings. Planetary gear sets produce a wailing sound when worn, but only when the car starts to move. Repair or replace the transmission components if they are damaged.

2. Defective steering

A loose steering belt could be the cause of a whining noise when accelerating. If it happens, the sound will sound as you turn the steering wheels. Tightening the belt solves this problem.

3. The power steering system

A leak in the power steering system can lead to disturbing noises. If you notice that your car is dripping or there is a visible drop in power steering fluid, there must be a leak. Look in the rack or gear, as this is probably where the leak is likely to be in the pump.
You can replace the damaged or spilled parts and refill the fluid to correct the problem. The simple solution is to add a liquid stop leak solution to the reservoir. There are many high quality products on the market that offer a simple, fast and cost effective solution, rather than replacing components. After filling the stop-leak mixture, top up the power steering fluid reservoir.

4. Problems with the engine

The rising noise in the car can also indicate an engine problem. The engine has a complicated mechanism and it is better to call a mechanic for a diagnosis. However, you should do this only when you are sure that the problem is with the engine, not with the transmission.
Shift the gear to neutral and carefully crank the engine. If the noise appears to be related to engine speed, the engine will struggle. If you do not hear a sound when the vehicle is not in the vehicle, the engine is unlikely to be the cause of the complication.

5. The clutch components

When you drive a manual car, a whining sound is a completely different story. If this occurs when the clutch is pressed to shift, the release bearing is likely to be damaged. It will be a pilot camp when the noise starts, when the car starts to move and you release the clutch. In both cases, changing the clutch is the only solution.
A manual transmission engages only when the vehicle starts to run or when the gear is idling with the clutch engaged. So it's probably a clutch problem when the vehicle is not in a gear. You should check the transmission, especially the power-train or the bearing, if the noise occurs while driving.

6. The torque converter

The automatic cars as an alternative to the clutch are the torque converter. It rotates when the engine is running. If the noisy sound appears when you shift the gear to the reverse or forward and it disappears after moving to neutral mode, the torque converter must be in trouble.

7. Reduced engine oil

The first thing to inspect after a noisy sound during acceleration is motor oil. Low level of oil is the major cause of this problem. The motor oil is found near the brake fluid tank. You can use the oil level gauge to determine this.
The dipstick has to two labels - "add" and "full". It’s important to refill the tank any time its low. Early inspection will prevent the car's engine from serious damage.
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Source:
http://www.eliancars.com/2018/12/7-components-to-check-if-car-makes.html#more