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D2 - Axles, Brakes, Suspension and Steering Brakes, Springs, shocks, steering racks, steering columns, suspension arms, wheel hubs etc.

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Old 10th November 2019, 10:51 AM
Nognar Nognar is offline
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Posts: 244
Default Brake Squeal - Girling

Nothing brings us all more joy than squealing brakes.

Its just one of those things that drives you up the wall! The A8 QS has the Girling setup and when I purchased the car the brakes had seen better days. So recently I went to ECP and bought all new Pagid Discs and pads all round and fitted them to the car.

They were Ok for a while but then the fronts started to squeal at all sorts of brake pressure levels.

So:

1) Cleaned everything and put it back together, still squealed.
2) Put copper grease on the pads, still squealed.
3) Put red grease on the pads, still squealed.
4) Put white grease on the pads, still squealed.
5) Used anti squeal rubber pads and that actually helped a little but it still squealed.

Hence at this point it was getting rather frustrating, everything was clean and I had also tried copper slip on the hubs to see if it was the mating of the disc to the hub that was the problem but that did not help either.

Solution?

I put some Mintex pads in, dry, straight out the box and no more squeal

Seem to bite and brake a little better also which is good news, no idea if its the design or the compound that has resolved matters but its quieter now!
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2001 Audi A2 1.4 SE - Jaipur Red Pearl
2002 Audi D2 4.2 S8 - Ming Blue Pearl
2002 Audi D2 2.8 A8 QS - Audi Silver
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Last edited by Nognar; 10th November 2019 at 11:36 AM.
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Old 10th November 2019, 11:42 AM
MikkiJayne MikkiJayne is offline
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Default

Good to know - I've had this same experience with Pagid on several cars, although my S8 still squeals with Brembo pads on Pagid discs. I've just Mintex discs and pads all round on my Mum's car so hopefully no squealing there!
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Old 10th November 2019, 11:49 AM
Nognar Nognar is offline
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I have Brembo discs and pads on the S8 and never had any squeal problems I can report.

Though it did suffer from the corrosion under the calliper shims which meant I needed to trim down the pads a little so they did not get stuck.
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2001 Audi A2 1.4 SE - Jaipur Red Pearl
2002 Audi D2 4.2 S8 - Ming Blue Pearl
2002 Audi D2 2.8 A8 QS - Audi Silver
--

Last edited by Nognar; 10th November 2019 at 11:55 AM.
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