# 3 Causes of Drive Shaft Noise (When Turning, Braking or in Reverse)

The job of the drive shaft is to transfer the rotational energy of the engine from;
The differentials or gearbox to your vehicle’s wheels.

The back of the transmission has a rotating output shaft;
Which then rotates the driveshaft that is connected to it. This starts a chain reaction where it rotates the ring gear of the differential
When then rotates the vehicle’s wheels.

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Since driveshafts spin rapidly to create this turning effect,
They need to be weighted and balanced just right.
Otherwise, the driveshafts will start to make noise as you try turning,
Braking, and reversing.

If these noises are not taken care of quickly,
The symptoms could progress into something much worse;
Which will impact your driving altogether.

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## Top 3 Causes of Drive Shaft Noises

The slightest problem with the drive shaft can cause these noises to occur;
When braking, reversing or turning. To learn about what the various causes may be,
Below are the three most common reasons you may be hearing noise from the driveshaft.

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### 1. Bad Bearings or Bushings.

The drive shaft receives support from a bearing or bushing. It works to support each section of the driveshaft by keeping them connected. The inside is usually made of rubber to give it added support.

If you were to have bad bearings or bushings,
Then it will cause unusual noises to develop from your drive shaft;
Because the intensity of the vibrations will increase.

Universal joints, or U-joints, are responsible for keeping stiff rods connected together
When they have two inclining axes.

If these joints were to get damaged, fail,
Or wear out from excessive use, then the rotation of your driveshaft will malfunction as well.
Then you will hear all kinds of unusual sounds,
Such as scraping, rattling, or possibly even clunking.

### 3. Dislocated Driveshaft.

Your entire driveshaft could become dislocated and fall onto the pavement as you’re driving.

Once this happens, you won’t be driving anymore because power will no longer be
Able to get transferred to the wheels of your vehicle. Before the dislocation,
The noises you hear when turning and braking will grow to be much louder.

Let this be a sign to get your driveshaft replaced
Before it drops out entirely from the assembly.

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## Drive Shaft Replacement Cost

The value of changing the force shaft will be somewhere from $500, to$3,000. It surely depends on what the make and model of your automobile is.

Most of the rate will come from the fee of the power shaft section itself. This phase is less expensive for some vehicles than it is for other vehicles.

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For example, a 2010 Buick LaCrosse’s power shaft may additionally value round $400-$500. But if you have a 2018 BMW 330i,
Then you are searching at about $1,500 to$2,000 just for the driveshaft assembly itself.
You can see the big rate difference there and
It primarily relates to the make and model.

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As for the labor costs, these are now not too bad.
You may also solely pay between $100 and$250 for these labor expenses
Because it needs to only take the mechanic 1 to 2 hours to function the replacement job.

The fine way to save money on the labor prices will be to save around for a correct mechanic who has the most inexpensive hourly charge but gets properly critiques online.

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Otherwise, if you are blissfully attempting to exchange
It your self or recognize anyone who can do it for you,
Then you can keep a little bit of money on the labor costs that way.
But given that most of the expense goes toward the value of the part,
It doesn’t virtually rely anyway on.