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Portland Steve
Samba Member
Joined: January 28, 2012
Posts: 15
Location: Portland Oregon
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 Posted: Sat Apr 19, 2014 11:09 am Post subject: New Squeaking Brake Pads |
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Hi,
I've finally got my new brakes to stop squealing.
I replaced everything, new Brembo rotors with bearings and seals, Rebuilt Calipers, ATE Brake Pads. I did some front end work 1st replacing the top ball joint and the tie-rod ends.
You think with all that I would have minimal brake noise but no, I was a screaming 83 Vanagon going down the road.
I started by checking the rotor bearing axle nut, 1 seemed too loose so I tightened it just a little so the rotor didn't have any play and re-peaned the nut.
Then I got a brake pad lubricant as described in many reviews; Brake Pads Silicone Lubricant - ATE 70015. This was applied to all areas where the metal contacted other metal parts but mostly between the brake shim and the brake pad.
Lastly I found a reference to chamfering the brake pad edges. The ATE brand does not factory chamfer its pads. I put a 1/4" 45 degree bevel on the leading edges of the pads with my bench grinder.
Sadly I found later that the Bosch QuietCast has a special rubber shims and is also factory chamfered. In hindsight this would have been my 1st choice.
Still with these all these improvements all of my brake noise is gone.
I wanted to share so you can benefit from my search. |
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pioneer1
Samba Member
Joined: February 11, 2008
Posts: 2069
Location: Ontario Canada
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| Posted: Sat Apr 19, 2014 11:14 am Post subject: |
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and sometimes just using them for a hundred miles will clean off any dust or dirt and that cures the squeal
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"Always waiting for tomorrow ruined everything"
'85 Porsche 911 Targa
'76 Westfalia project |
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williamM
Samba Member
Joined: August 07, 2008
Posts: 4333
Location: southwest Arizona
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| Posted: Sat Apr 19, 2014 11:38 am Post subject: |
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NAPA has so orange rubber shit that you can coat both sides of the pad shim with- it works sometimes.
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some days I get up and just sit and think. Some days I just sit.
opinion untempered by fact is ignorance.
Don't step in any! |
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Terry Kay
Banned
Joined: June 22, 2003
Posts: 13331
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| Posted: Sat Apr 19, 2014 12:09 pm Post subject: |
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Scuffing upper the face of the new rotors with some 80 on a DA prior to installation will allow the pads to seat faster without the squeaking.
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T.K. |
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Terry Kay
Banned
Joined: June 22, 2003
Posts: 13331
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| Posted: Sat Apr 19, 2014 12:10 pm Post subject: |
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Scuffing upper the face of the new rotors with some 80 on a DA prior to installation will allow the pads to seat faster without the squeaking.
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T.K. |
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dhaavers
Samba Member
Joined: March 19, 2010
Posts: 7756
Location: NE MN (tinyurl.com/dhaaverslocation)
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| Posted: Sun Apr 20, 2014 8:54 pm Post subject: |
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Half a dozen hard stops from 55mph can shake out the squeaks.
Gotta get through the glaze & seat those new pads to the rotors...
_________________
86 White Wolfsburg Westy Weekender
"The WonderVan"
<EDITED TO PROTECT INNOCENT PIXELS> |
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