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Grease on brakes

 
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Al.
Flying Brick Rider


Joined: 28 Oct 2005
Posts: 383
Location: West of Ireland

PostPosted: Sun Jun 24, 2018 9:38 am    Post subject: Grease on brakes Reply with quote

Had to do a brake job on a Suzuki Burgman I inherited.
He decided at 82 to quit biking.

Core discovery in research - don't use copper grease on back of pads.
It can cause ABS issues apparently.
Any grease should be high temperature and silicone seems to be the one
which won't attack rubber components.
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Flying Duck
PsyKotic Waterfowl


Joined: 27 Jan 2005
Posts: 10082
Location: Bumf***, WA

PostPosted: Sun Jun 24, 2018 7:00 pm    Post subject: Reply with quote

I use Disc Brake Quiet on the back of pads.


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Grunter
Flying Brick Rider


Joined: 30 Sep 2015
Posts: 367
Location: North East England

PostPosted: Mon Jun 25, 2018 6:34 am    Post subject: Copper Grease Reply with quote

I cannot see how this will cause ABS Problems! The grease does not come anywhere near the sensor or 'teeth' of the rotor so after a couple of brake applications, assuming the pads are already bedded in they will not lie anyway else but flat on the pistons.

Whilst I have disabled the ABS on my K1100LT because of a 'brain' fault, The abs on my previous 2 x R1100RT's treated to copper based grease never ever gave a problem.
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Scott_Anderson
Site Admin


Joined: 05 Sep 2006
Posts: 3117
Location: Central Iowa, USA

PostPosted: Mon Jun 25, 2018 6:49 am    Post subject: Reply with quote

The only chemical reaction/interaction I can think of could be with the piston seals.
Still can't see how that would affect ABS, but it could affect physical braking if the seals start to swell and cause the pistons to stick/bind.
On most automotive applications there is a rubber boot to protect the piston seals, our bikes don't have a protective boot.
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