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Brakes Squealing bad

Discussion in '348/355' started by ncjetskier, Oct 31, 2012.

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  1. ncjetskier

    ncjetskier Formula 3

    Jul 7, 2012
    1,416
    Eastern NC
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    Chris
    #1 ncjetskier, Oct 31, 2012
    Still working on the little agravating items sorted out on my car (purchased Aug of this year). Did a search about squealing brakes and read several posts about Porterfields and Axxis brake pads. Several people stated that after about 1500 miles the Porterfields started squealing again. So I did a search for the Axxis brake pads for a 1991 348 TS and did not have any luck. One place mentioned in a 2007 post, stated the bads are no longer available. Anybody have any recommendations? Thanks.
     
  2. cuneo

    cuneo Formula 3
    Silver Subscribed

    Nov 20, 2006
    2,484
    #2 cuneo, Oct 31, 2012
    I put Porterfield R4S pads on my F355 about 8,000 miles ago, and have never had a single squeal or brake dust issue. I say try the Porterfield pads from Ricambi, you'll probably like them.
     
  3. Extreme

    Extreme F1 Rookie

    May 26, 2010
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    Erick
    #3 Extreme, Oct 31, 2012
    I've had the Porterfield R4S pads on now for around 5,000 miles and they only squeal once in awhile... when I poke 'em
     
  4. 355rockit

    355rockit Formula Junior

    Dec 1, 2010
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    San Marcos, CA
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    Vas
    #4 355rockit, Oct 31, 2012
    I use StopTech ceramic (posi-quiet) brake pads. Very quiet and great performance. I sprayed stop-squeal on the back on the pads prior to installing and also applied anti-squeal grease on all mounting hardware.
     
  5. 348Jeff

    348Jeff Formula 3

    Oct 25, 2011
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    #5 348Jeff, Nov 1, 2012
  6. Subarubrat

    Subarubrat Formula 3

    Apr 1, 2009
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    #6 Subarubrat, Nov 1, 2012
    I went with the Poterfields which squeeled less than stock but I still get it bad at low speeds. I didn't see a US vendor that stocked the backing plates (EBC seems to make them?) but that will be my next step as soon as I find a seller.
     
  7. mike_747

    mike_747 Formula Junior

    Dec 15, 2008
    794
    Seattle
    #7 mike_747, Nov 1, 2012
    Are you sure they are not just glazed from light use. This happens to me a lot.
    Just get up to speed and brake strongly.
     
  8. ncjetskier

    ncjetskier Formula 3

    Jul 7, 2012
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    #8 ncjetskier, Nov 1, 2012
    Mike, they probably are as I drove this morning and braked hard and did not have the low speed squealing (normally happens comming up to a stop light). It's just embarassing when you slow down for a light, and it sounds like a very loud dump truck slowing down with a full load. You know that at least one person is thinking "look at that - a person driving a car like that and can't even afford to fix his brakes".

    If the brakes are glazed over, how often does the glazing typically happen? Thanks for the replies.
     
    vdettore likes this.
  9. Ricambi America

    Ricambi America F1 World Champ
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    Dec 7, 2003
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    Winston Salem, NC
    #9 Ricambi America, Nov 1, 2012
    mmmmm. Glazed!

    Image Unavailable, Please Login

    .

    Actually, try this procedure and see the the squeal goes away: http://zeckhausen.com/bedding_in_brakes.htm

    .
     
  10. Subarubrat

    Subarubrat Formula 3

    Apr 1, 2009
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    #10 Subarubrat, Nov 1, 2012
    Did the procedure, at time of installation and later when the squeal returns, works temporarily. The big brembos on my STi, Camaro and the brakes on my Lotus don't have this habit. No other car I have ever owned has had brake squeal like this 355, but I love it anyway.
     
  11. tamf328

    tamf328 Formula Junior

    Mar 9, 2005
    477
    #11 tamf328, Nov 1, 2012
    my 355 does the same thing, sounds like a freight train
     
  12. SoCal1

    SoCal1 F1 Veteran
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    #12 SoCal1, Nov 1, 2012
    Have you folks try to chamfer the leading edge of the pads? I do it subconsciously and never had a real issue except for some glazing once in a while but a few good stops clears that up.
    Also anti squeal on the back of the pads, let it dry 15-30 min before installing the brakes, important.

    Or just keep your foot off the brake unless your going to use it hard :)
     
  13. SoCal1

    SoCal1 F1 Veteran
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    #13 SoCal1, Nov 1, 2012
  14. mike_747

    mike_747 Formula Junior

    Dec 15, 2008
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    #14 mike_747, Nov 1, 2012
    Actually mine are glazed about half the time. I brake lightly but accelerate hard :eek:)
     
  15. f355spider

    f355spider F1 World Champ
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    May 29, 2001
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    #15 f355spider, Nov 1, 2012
    +1, I got my Porterfield R4S pads from Ricambi/Daniel several years ago, no squealing, less dust and they work very well. I'm happy with them.

    AND, even if they did squeal, it certainly cannot be any worse than the oem pads that squeal all the time! ;)

    Axxis makes great pads, but the only ones worthy of putting on your Ferrari would be the XBG or ULT...and I have no experience with them. Their Advanced Deluxe Ceramic are great at low dust and noise (have used them on my daily driver), but don't have the great pedal feel and fade resistance of the R4S.
     
  16. cpr075

    cpr075 Karting

    Jul 7, 2012
    58
    Midwest
    #16 cpr075, Dec 10, 2012
    Just had the porterfield R4S pads installed on my 355. The grip and feel when braking is much better than the OEM pads that were on my low mileage car. No annoying brake squeals either. Having the rotors resurfaced may have helped a little with that though. So far very happy with these brake pads that I got from Ricambi.
     

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