knocking noise when breaking

J

jetskijimmy

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• Apr 2, 2013

• #1

Hi some advice needed please

Just fitted new disc & pads at the front - the rear will get done end of the month, after fitting new discs and pads i took the car for a test drive the breaks are working fine but I get a knocking noise when breaking -the faster the car is moving when breaking the faster the knocking noise gets

Does a yone know why this is happening ? The car is a A4 DTM 2.0 Quattro

Thanks

James

 

NHN

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• Apr 2, 2013

• #2

Possibly pads moving in calliper, shim would probably sort this out.

Try reversing & see if knocks, then going forward & see if knocks, if so then its this.

 

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jetskijimmy

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• Apr 2, 2013

• #3

NHN said:

Possibly pads moving in calliper, shim would probably sort this out.

Try reversing & see if knocks, then going forward & see if knocks, if so then its this.

Click to expand...

Thanks ill give this ago I will remove calipers/pads and refit tomorrow

Cheers

James

 

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• Apr 3, 2013

• #4

Just been out for a spin - noticed the knocking when moving forward seems fine whilst reversing will have a look in the morning

 

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jetskijimmy

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• Apr 3, 2013

• #5

Finally sorted the noise out :thumbsup: I had a nightmare fitting the new discs and pads first the noise then a faulty brake pad sensor-I got these from GSF parts and was able to return the faulty brake pad under warranty, I paid £206 for discs and pads just for the front and been quoted £75 for the rear discs and pads - I bet I could of got these cheap elsewhe

Looking forward to payday to refurbish my alloys (gun metal grey) cant wait

Cheers James

 

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• Apr 3, 2013

• #6

So what was the noise then?

 

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jetskijimmy

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• Apr 3, 2013

• #7

Sorry mate thanks for the advice :icon_thumright:

The discs were Bosch one came with grey anticarossion paint witch had biult up under the pad slightly - not sure if I was supposed to have removed with thinners ? I have cleaned the pad and disc remove the hard flakes of paint all seems fine now cant wait to do the rear discs (NOT) ha

Cheers