The car makes noise when accelerating at a low speed. What are the causes?

Your vehicle can shake, vibrate or even produce various sounds at different times. While some of the noises are normal, some signify trouble and need immediate attention.

Although modern car building has made driving easier on the ears than before, you do not want to hear some car noises because they signify trouble. You know your car well so, you might be aware whenever there is something abnormal about it. 

Once you hear such odd noises, the best thing to do is find the mechanic immediately because such noise suggests developing problems. It is a good idea to address them before the situation worsens. But, before addressing the issue, you need to know what the noise sounds like a d what it means, as different noises can mean other things. 

So, why does the car make noise when accelerating at a low speed?

The noise from a car often begins when the speed is zero to thirty or 40 mph and stops when the vehicle goes past 40mph. If you have such a problem, then it means there could be a problem with the motor mount, pulleys, torque converter, or the transmission fluid level. So you should check them to ascertain the cause of the problem. 

However, a squealing or squeaking noise while accelerating could mean that your car’s engine belt is problematic. It can signify that the belt is worn. Moreover, a loud rumbling sound might suggest issues with the car’s exhaust system. 

Here are some common noises and what they may signify in a car if you hear them, especially when trying to increase the car’s low speed

1. Slapping

If your car produces a slapping sound that increases as the car speed up, then probably your wheel is damaged or worn out. There are risks and penalties involved in driving a vehicle with a damaged tire; it is essential to stop immediately after confirming that and replace the tire. 

2. Chirping

Wheels that produce a chirping sound when the car accelerates at low speed signifies issues with the axle. Once you note this, you should get a mechanic immediately because failed axles can lead to loosening and locking the wheels. 

3. Loud rumbling noise 

A loud rumbling noise insinuates that your exhaust system has issues. It might also mean that there is a leakage somewhere, and this noise results from the extra work your car’s system is doing to manage the exhaust fumes. 

4. Grinding 

A grinding sound from a car is unusual, especially when accelerating at a low speed. Such a sound means that your car’s clutch has problems or the whole transmission has issues. If you experience this, you should see the mechanic as soon as possible. 

5. Rattling

This is now one of the most frustrating sounds to hear because it can illustrate several problems. When you hear this sound, try to identify the source of the sound. If the sound comes from below, it means that there are some loose things like the catalytic converter or exhaust fumes.

But when the sound comes from the bonnet, it can indicate that the car’s oil levels are not okay. Wherever this happens, you should see your mechanic. 

6. Knocking noise

The knocking sound or noise may occur when driving your car over bumps. You can hear this sound from either beneath or inside the vehicle, but each has meaning. When the noise is coming inside your car while going over the bumps, maybe it is due to clumping objects in the glove or boot.

If the noise is coming from beneath your vehicle, loose components are probable. But you can reduce such issues by avoiding loading your car with heavy objects and tightening loose parts underneath your vehicle.

7. Squeaking noise

This is a noise a car can make when driving at a slow speed and primarily is associated with brakes’ issues. In most cases, the cause of squeaking noise may be due to the damaged or worn-out brake discs and pads or wheel bearings that have worn out. 

When such squealing noises occur, you have to immediately reach the car dealers to replace the worn or broken brakes discs/pads and wheel bearings.


When you hear a noise coming from your car, maybe when accelerating at low speed, consider confirming what it is and why it is occurring. Although not every noise that arises at the low-level speeding will mean your car is damaged, some deed to be taken care of.

You can also consider regular inspection and car management to avoid dangers brought by loose, worn, and damaged car components.

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