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So My A5 3.0TDI SPORT QUATTRO S TRONIC has started making a humming noise. Seems to get louder from 20mhp upwards. As you slow down it’s still the same. Been to the garage and they can’t find anything up with it. They checked the wheel bearing but they said there’s nothing up with them. Anyone help me out please? Cheers Morgan
 

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Is it a humming or whining?
Does the pitch change the faster you go?
Where on the car is it coming from, front, rear, which side etc. etc?
I just had to replace the rear diff on mine.
 

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Could be one of many things Morgan so you need to describe a bit better.......
 

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Discussion Starter #4
Is it a humming or whining?
Does the pitch change the faster you go?
Where on the car is it coming from, front, rear, which side etc. etc?
I just had to replace the rear diff on mine.
Hi mate it’s a humming noise coming from the front of the car. It’s giving the same symptoms as a wheel bearing but apparently they are fine. Humming / vibrating noise definitely form the front of car.. hope that helps. Cheers
 

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Could be one of many things Morgan so you need to describe a bit better.......
Hi mate it’s a humming noise coming from the front of the car. It’s giving the same symptoms as a wheel bearing but apparently they are fine. Humming / vibrating noise definitely form the front of car.. hope that helps. Cheers
 
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