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stewb
Part built GTM
Joined: Thu Jan 23, 2014 10:26 pm Posts: 73 GTM: Libra
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AP Brake Pads
Hello all, cautionary tale more than anything...
Took my Libra for an MOT at the weekend, didn't expect any real issues.
Tester noticed that the front near side wheel would rotate happily forward but bind when rotated backwards. Upon closer inspection it became apparent that the friction material had separated from the backplate on the outboard pad on that caliper...as the wheel was turned backwards the friction material moved out of position & jammed in the caliper...
Not good! Got some pads & then enjoyed the fun that is electrolytic corrosion...steel pad pins in aluminium calipers - genius!
I'll post a pic - the other pads had begun to delaminate too so it was well overdue. The pads were well less than half worn but I'd guess that they've been in there for the majority of the life of the car - guess that is one if the downsides of a lightweight car with big brakes - they don't wear out all that quickly!
Cheers, Stew.
_________________ ___________________________
StewB
'09 Libra K20 '69 TVR Vixen V8 '86 Capri 2.8i S ‘78 TVR 6200M-TT
Ex Libra V6
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Mon Jul 27, 2015 10:43 pm |
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sidewinder
On the Road
Joined: Wed Aug 11, 2010 9:27 am Posts: 621 Location: Sheffield GTM: Libra
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Re: AP Brake Pads
I made up stainless pins for my APs from 6mm rod. Also used plenty o slip in the holes they go through.
_________________ 2000 GTM Libra 1.8VVC 145BHP
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Tue Jul 28, 2015 12:02 pm |
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bubbleless
Part built GTM
Joined: Mon Jul 06, 2015 8:26 pm Posts: 121 Location: Chorley, Lancashire GTM: K3
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Re: AP Brake Pads
Good catch by the mot tester.
Steel pins and alloy caliper are not just for fast kit cars, my citroen c5 has the same on the back and with little use they can become de laminated. as the handbrake operates on the front so gets very little use.
_________________ Car has a high power to weight ratio and is really quick...........
The owner isn't
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Tue Jul 28, 2015 3:15 pm |
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