MY22Z0a - 12_1.0_25.07.2022
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Troubleshooting, fault clearance and repair
9.1.9 Problems with disc brakes
Symptom Cause Remedy
Ringing and unusual
sounds from disc brakes.
Riding on asphalt with off-road tyres.
Contact specialist dealer. Fit a city or trekking tyre.
Low braking power from
the disc brake.
Dirty or greasy brake disc. Clean brake disc thoroughly with white spirit or brake cleaner.
Worn brake disc or brake lining, brake
lining vitrified.
Contact specialist dealer.
Metallic noises from disc
brake.
Worn brake linings.
Contact specialist dealer. New brake linings and brake disc.
Spongy, soft or poor
pressure point in disc
brakes.
Brake calliper fitted incorrectly, brake
disc loose, brake disc or brake lining
worn or brake system leaking.
Contact specialist dealer.
Noises when rim brake is
applied.
Dirt.
1 Clean brake disc and brake thoroughly.
2 If the problem is not solved, contact your specialist dealer.
Worn or wrong brake linings.
Contact specialist dealer. New brake linings and brake discs.
Wheel, hub or axle fitted incorrectly.
Contact specialist dealer. Check brake system and wheel
assembly.
Brake calliper and/or brake disc fitted
incorrectly.
Incorrect torques.
Brake disc damaged by side impact.
Vitrified brake linings.
Brake system leaking.
Incorrect torques.
Incorrect brake mount
height.
Table 66: Disc brake error solution
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