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mr matt Samba Member
Joined: May 26, 2005 Posts: 819 Location: southeast Pa
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Posted: Fri Dec 05, 2008 7:40 pm Post subject: |
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Thanks,
will add that to the list............though I think my squeal is quieiting down............. seems like it.
Matt |
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boleador Samba Member
Joined: April 23, 2008 Posts: 197 Location: Hermosa Beach, California
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Posted: Wed Dec 03, 2008 3:17 pm Post subject: |
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after my debacle trying to figure out why my calipers were hitting my wheels (thread from a few days ago), I'll add:
"-check to make sure caliper body isn't making direct contact with rotors"
to the list of things to check when annoyed by squeeling brakes. |
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mr matt Samba Member
Joined: May 26, 2005 Posts: 819 Location: southeast Pa
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Posted: Wed Dec 03, 2008 2:49 pm Post subject: |
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I thought that could get some reaction.................... |
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74Pepper Samba Member
Joined: March 26, 2007 Posts: 719 Location: Dallas, TX
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Posted: Wed Dec 03, 2008 11:53 am Post subject: |
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He-he...he said "mate"..... |
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mr matt Samba Member
Joined: May 26, 2005 Posts: 819 Location: southeast Pa
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Posted: Wed Dec 03, 2008 11:05 am Post subject: |
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I'm kinda going through what you did on my super beetle w disc brakes.
I just replaced the disc pads & now
I also feel sorry for the people around me, even the people in other cars - hah, the worst of it is going through a tunnel an applying the brakes, the tunnel acts like a megaphone - it is unbelivable! I;m surprised people are not dropping down, passing out from the sound........
I will try some of the things you attempted above,
someone mentioned to me, that this will happen unless you cut the rotors a bit - I dont want to do that, so I will sand the heck out of them to remove the glaze and put in a new pattern.
Funny how the first time I put the disc brake system on my superbeetle, they never squealed.......which makes me tend to think cutting would solve the prob -
either that, or a lot of time for the brakes to mate to the rotor.......
Matt |
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///Mink Samba Member
Joined: May 03, 2000 Posts: 5051 Location: Fair Oaks, CA
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Posted: Wed Mar 26, 2008 9:59 pm Post subject: |
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Just wanted to resurrect this thread with a little more information. Since I originally posted, I've put about 400 miles on the car and the squeal is about 95% gone. I guess the new pads and "resurfaced" rotors finally mated up and quieted down. Kinda like a lot of new marriages.
I think my hearing damage was permanent, however. |
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thom Samba Member
Joined: October 12, 2000 Posts: 5943 Location: Sacramento
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Posted: Tue Mar 18, 2008 8:40 pm Post subject: |
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///Mink wrote: |
thom wrote: |
Well, I have a set of 993TT fronts you could swap in... |
Cool. Those should fit right under stock 15" wheels, right? |
Well, I have some extra 930 spacers; you could stack a 2" and a 3" on each side.... _________________ -Thom
1956 Single Cab
1957 Porsche 356A Sunroof
1957 23-Window Deluxe
1957 Mercedes Westfalia single cab
1963 Unimog 404
1965 E-Type |
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///Mink Samba Member
Joined: May 03, 2000 Posts: 5051 Location: Fair Oaks, CA
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Posted: Tue Mar 18, 2008 8:27 pm Post subject: |
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thom wrote: |
Well, I have a set of 993TT fronts you could swap in... |
Cool. Those should fit right under stock 15" wheels, right? |
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thom Samba Member
Joined: October 12, 2000 Posts: 5943 Location: Sacramento
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Posted: Tue Mar 18, 2008 8:26 pm Post subject: |
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Well, I have a set of 993TT fronts you could swap in... _________________ -Thom
1956 Single Cab
1957 Porsche 356A Sunroof
1957 23-Window Deluxe
1957 Mercedes Westfalia single cab
1963 Unimog 404
1965 E-Type |
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///Mink Samba Member
Joined: May 03, 2000 Posts: 5051 Location: Fair Oaks, CA
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Posted: Tue Mar 18, 2008 8:19 pm Post subject: |
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Well, you can add #8 to the list: Fabricated some half-shims to force the trailing edge of the pad to contact the rotor first. No change.
:2gunfire:
Last edited by ///Mink on Tue Mar 18, 2008 8:26 pm; edited 1 time in total |
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///Mink Samba Member
Joined: May 03, 2000 Posts: 5051 Location: Fair Oaks, CA
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Posted: Mon Mar 17, 2008 9:02 am Post subject: |
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70 140 wrote: |
///Mink wrote: |
Yep, that's next, unless I come up with a miracle cure. |
grease the rotors and pad surface? |
I was thinking I could just disconnect the front brake hoses. That should quiet it down. |
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70 140 Samba Member
Joined: September 22, 2002 Posts: 8471 Location: Ontario Canada
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Posted: Mon Mar 17, 2008 8:53 am Post subject: |
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///Mink wrote: |
Yep, that's next, unless I come up with a miracle cure. |
grease the rotors and pad surface? |
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///Mink Samba Member
Joined: May 03, 2000 Posts: 5051 Location: Fair Oaks, CA
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Posted: Mon Mar 17, 2008 8:48 am Post subject: |
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70 140 wrote: |
The new Varga calipers come with pads and are $70-ish a side..... |
Yep, that's next, unless I come up with a miracle cure. |
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70 140 Samba Member
Joined: September 22, 2002 Posts: 8471 Location: Ontario Canada
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Posted: Mon Mar 17, 2008 8:33 am Post subject: |
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The new Varga calipers come with pads and are $70-ish a side....
I don't know what else you would try Tom; switched pads, resurfaced rotors, adhesives, etc, etc... sounds like you have tried all the tricks. |
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brent bousman Samba Member
Joined: January 28, 2005 Posts: 259 Location: Annandale VA
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Posted: Mon Mar 17, 2008 8:16 am Post subject: |
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I'm not familiar with the Girling calipers. The ATE has a metal plate that fits over part of the piston (held by the piston)and the Varga has a square metal piece that fits over the whole piston (held by a wire on the top of the pad). Do you know if the Girling had a stock plate behind the pad?
My guess is your squealing is your pad rubbing (vibrating) against the piston or the brake caliper somewhere. |
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///Mink Samba Member
Joined: May 03, 2000 Posts: 5051 Location: Fair Oaks, CA
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Posted: Mon Mar 17, 2008 8:07 am Post subject: |
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brent bousman wrote: |
I never had any luck with different types of aftermarket disc brake quiet.
Which calipers are you using? I have seen 2 different metal backs for ATE and Varga that fit between the pad and the piston. Are you using these? |
I have the original '73.5 - '74 Girling calipers. No shims (and I don't think you could shim them - the pin doesn't pass through the pad). |
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brent bousman Samba Member
Joined: January 28, 2005 Posts: 259 Location: Annandale VA
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Posted: Mon Mar 17, 2008 8:03 am Post subject: |
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I never had any luck with different types of aftermarket disc brake quiet.
Which calipers are you using? I have seen 2 different metal backs for ATE and Varga that fit between the pad and the piston. Are you using these? |
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'73spr-DUNG-btl Samba Member
Joined: September 13, 2006 Posts: 249
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Posted: Mon Mar 17, 2008 7:18 am Post subject: |
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I'm having the same troubles with my '74 |
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///Mink Samba Member
Joined: May 03, 2000 Posts: 5051 Location: Fair Oaks, CA
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Posted: Mon Mar 17, 2008 7:05 am Post subject: |
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Well, I'm currently on the second set of pads - the first were semi-metallic, the newest ones are organic. They both screeched like crazy. But if anyone has a particular brand of pad they've had luck with, I'm all ears.
Interesting idea about the groove. The new pads have a vertical groove pre-cut in them. Maybe I will try a diagonal one, too. What have I go to lose? |
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70 140 Samba Member
Joined: September 22, 2002 Posts: 8471 Location: Ontario Canada
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Posted: Mon Mar 17, 2008 6:36 am Post subject: |
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I would guess it is the pad compound, try another pad that isn't made by the same manufacturer. I have had this problem with my Volvo, it is enough to make you insane - pulling the calipers and pads apart 25 times.... |
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