bedding in discs and pads


CR1S

CR1S

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Oct 31, 2009
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Hey :)
guna be fitting some new discs and pads soonish
Just wondering how is the best way to bed them in so they will settle correctly and not prematurely wear.
Brembo says to drive with using them sparingly and with out riding them for more then 3 seconds at a time for 200km.
That just seems to much tbh.
 
just drive normally and avoid heavy breaking. they'll bed in over a few hundred miles.
 
^^^^^ what elchunk said, you get people who just stamp on the brakes and wonder why theyre warped in 100 miles! Theyll bed in on there own accord just allow pleanty of time to brake as they will probably be pretty bad for the first couple of miles.
 
another common cause of warped disks is people going on a spirited drive and then heading into town, getting stuck at traffic lights and holding the brakes on instead of using the handbrake. Those pads holding the disk are at a very high temp and that heat conducts through onto the disk and since it is not moving there is no cold air to dissipate the heat away thus they can get warped.
 
elchunk said:
just drive normally and avoid heavy breaking. they'll bed in over a few hundred miles.
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worst idea ever, this will just glaze up your nice new pads.......

I read this online from Stoptech and have always used this method to successfully bed in many sets of discs/pads

-drive about to get the car up to temp, use the brakes normally and a chance to make sure that their is not any excess pedal travel or such
-carry out about 10 stops in a row from 70/80ish down to 20, making sure not to come to a complete stop (should be able to smell the brakes real good by now)
-drive normally for a few miles to let the brakes cool
-carry out another set of hard stops, again driving about for a few miles after to let the brakes cool


this method helps to burn off any excess resins that are on the pad surface and familiarise the pads with the discs

it is EXTREMELY hard to warp a disc, more than often the sensation people have that "feels" like a warp is in fact pad deposits on the discs, doing the above hard stop method helps to skim the discs and clear the surface


PLEASE NOTE - when carrying out the above bed-in method be sure to make sure that the road surface is suitable for carrying out such heavy stops on, best to do this on a nice straight and quiet road. also ensure that you torque your wheels evenly to the correct torque setting before setting off
 
I was refering to numpty''s who get new disks and pads put in and then go out and do consecutive emergency stops and then wonder why their new brakes are fook'd. The method you posted is fine but you should also note that it is essential to check the road behind you before you attempt it, nothing worse than getting chuffed from the rear, and it will be your fault!
 
I had seen the technique that your suggesting steven online quite a few times while i was searching but also found alot of people saying drive normally and avoid heavy breaking lol
I'm not going to fit them in that case seeing as the roads ore so bad atm going stops from 70-20 on a clear road is going to be some what of a mission :))
 
CR1S said:
I had seen the technique that your suggesting steven online quite a few times while i was searching but also found alot of people saying drive normally and avoid heavy breaking lol
I'm not going to fit them in that case seeing as the roads ore so bad atm going stops from 70-20 on a clear road is going to be some what of a mission :))
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basically the point is u aren't emergency stopping your car, make sure you keep the car rolling, if u are like a feather on the pedal as steven says its money wasted,
 
Hmmm now I have no idea what to do lol
I have EBC red stuff with brembo max grooved discs
Any ideas?
 
Just brake heavier than normal for the first 100-200 miles , light braking will glaze , heavy braking can overheat them so a bit inbetween.
 
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