bi22le
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| posted on 3/5/10 at 01:51 PM |
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Brake pad to disc contact not right
Hi all,
I have had my car for a week now and I have just noticed this. Its the rear right wheel.
 
brake contact problem
The other side has full contact the full height of the disc. I have not had the wheel off and had a look because of the shoddy weather. I think the
brake pad is sat wonky or the piston is not pushing it on square. Its a Raw Striker with std ford rear calipers.
Any ideas what it is and what to check?
Thanks
Biz
Track days ARE the best thing since sliced bread, until I get a supercharger that is!
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prawnabie
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| posted on 3/5/10 at 01:52 PM |
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I noticed that too!
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Madinventions
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| posted on 3/5/10 at 01:59 PM |
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Mines almost exactly the same - outside edge of one rear disc is only making half contact... It's been like it for a year now and passed the
SVA brake test like it so I'm not too worried. The rears hardly do any braking anyway...
I'm working on the theory of wearing the pad down so it makes full contact 
Ed.
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britishtrident
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| posted on 3/5/10 at 02:01 PM |
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Are there any steady/anti-rattle spring clips missing.
If not you will need to do some careful settling of the brackets.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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Peteff
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| posted on 3/5/10 at 02:07 PM |
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Has somebody cut the pad down to reduce brake effort ?
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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r1_pete
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| posted on 3/5/10 at 02:19 PM |
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Check the piston rim, some have cutaways in, so half the piston is shorter than the other, cant remember whether the cutaway should point towards or
away from rotation.
But it may be your are pointing inwards??
[Edited on 3/5/10 by r1_pete]
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mookaloid
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| posted on 3/5/10 at 02:32 PM |
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if it is a sierra caliper the chances are that the piston was not correctly aligned so that the protruding lump on the back of the pad isn't
correctly located in one of the cutaways on the piston face this makes the pad sit at an angle and has the effect above as the pad wears at an
angle.
New pad correctly fitted time.
Cheers
Mark
"That thing you're thinking - it wont be that."
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bi22le
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| posted on 3/5/10 at 02:56 PM |
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Nice to know that im not the only one!!
Ill check all of that when I get time.
Thanks for the info.
Doing a track day and the ring soon so I want it all right. My life may depend on the brakes!!
Track days ARE the best thing since sliced bread, until I get a supercharger that is!
Please read my ring story:
http://www.locostbuilders.co.uk/forum/13/viewthread.php?tid=139152&page=1
Me doing a sub 56sec lap around Brands Indy. I need a geo set up! http://www.youtube.com/watch?v=EHksfvIGB3I
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Frosty
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| posted on 3/5/10 at 10:09 PM |
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quote:
Originally posted by mookaloid
if it is a sierra caliper the chances are that the piston was not correctly aligned so that the protruding lump on the back of the pad isn't
correctly located in one of the cutaways on the piston face this makes the pad sit at an angle and has the effect above as the pad wears at an
angle.
New pad correctly fitted time.
Cheers
Mark
I agree this is the most likely cause. Very easily done.
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