Blue GT6 6 Pot Caliper 380X34 Disc Brake Line For BMW E70

The reason why the brakes squeal abnormally

The reason for abnormal brake sound 1: brake pad metal hard point. There will be some small metal particles inside the brake pad, lightly stepping on the brake will make a sharp and harsh sound, this problem can be slammed on the brake or the brake pad removed and re-polished, can also be replaced with a better brake pad.

The reason for abnormal brake sound 2: brake pad assembly problems. This situation please try to reinstall the brake pad, to the brake pad and brake caliper joint smear butter or special lubricating oil can be solved. It is also possible that the brake pads are installed backwards and can be reassembled. Especially in the roadside stall replacement brake pad owners, should pay more attention to this point.

The reason for abnormal brake sound 3: the brake sub-pump does not return to position . It is mostly the problem of the brake tube. Rust or dirty lubricating oil in the brake tube will lead to poor return position. Clean the brake tube, polish it with fine sandpaper and apply new lubricating oil. There may also be a problem with the brake sub-pump, which needs to be replaced, but this kind of failure is less.

The reason for abnormal brake sound 4: new car running in. A new car or just changed brake disc, there will be a run-in period, in the run-in period rabbit will have some abnormal sound, generally run hundreds of kilometers later, will be eliminated.

The reason for abnormal brake sound 5: the ABS system starts normally. When the ABS brakes sharply, the brake pedal will have a continuous sound of "thrumming", and sometimes there will be a phenomenon of bouncing feet. This indicates that the ABS system starts and it is a normal sound.

The reason for abnormal brake sound 6: brake pad wear is serious, began to alarm. Brake pads generally have an alarm sheet, when the brake pad wear to the limit when the alarm sheet and brake disc friction, give birth to sharp metal friction sound, at this time must be replaced in time, so as not to scratch the brake disc, brake failure.