drove a long, large and small, are always a lot of problems, but many people feel can open, they stood regardless. but! Able to open the car, it does not necessarily mean safe, several phenomena that occur when the car when we should never left unattended.
1, partial brake
is when the brakes, especially when the car stops fast always to the side of the steering wheel deflection. When different left and right brake system braking force, deflection occurs when the car brakes, but close to the side of the wheel is stopped when the difference between both sides of the maximum velocity, the car will change significantly deflected. This failure is usually left on the cylinder due to uneven force brakes. Because when the brakes are generally required avoidance, cornering, when the direction of the unexpected emergence of deflection, the consequences could be disastrous.
2, brake abnormal sound and shake
This should be the most common problem that many people directly ignored. Brake abnormal sound, there are different circumstances; if occurs after replacing the brake pads, it may be that the new brake pads running, the run-in period is generally one to two hundred kilometers; if this is much higher than a few kilometers, there is abnormal sound, we must consider , it is not the brake pads do not meet national standards, and high hardness due.
If the brake disc scratches, damage, or misalignment, will produce abnormal noise. Analyzing offset relatively simple, such as a local view to remove traces of friction significantly higher than the other side, a misalignment occurs.
Some brake pads abnormal sound design is good, that is, deliberately to do this! When the brakes too thin, it will expose buried therein ldquo; alarm chip rdquo; scratch brakes, resulting in abnormal sound harsh, this mechanical alarm to remind you, should not continue to open up.
shake is more common in older cars, shake description brakes joints have been uneven, this situation mostly in old car body, because the use of wear, brake disc surface flatness has a certain degree the misalignment. It is proposed that is optionally selected by grinding or replacement of brake pads (age of the vehicle for larger vehicles).
3, the braking force Weakening
soft brake is abnormal braking force weakened, this failure is usually for three reasons:
the first is a master cylinder of a hydraulic cylinder or not, may be outNow oil leakage;
is a second brake failure, such as brake pads, brake disc;
A third brake pipe is leaking into the air, if the continuous braking kicks when the pedal is slightly increased height, and a bomb sexy, description infiltrated air brake line.
Whether the kind, the effect of the brake system has a significant drop, an investigation.
4, before driving hot cars need only ten minutes braking force
In addition to brake abnormal sound, this anomaly is most easily accustomed to, many experienced drivers think it is like ordinary hot car, one would ldquo; awkward rdquo; to come up.
Now the power brake system basically provided by the engine, i.e., the braking force should be the step that is. If you have a hot car for some time appeared braking force, pressure transmission pipelines may be a loss of pressure occurs. This situation should be checked at the interface of the vacuum booster brake master cylinder of the engine and hose rupture or loose condition.
5, the brake pedal does not return
This is also the fault we often encounter when stepped on the brake pedal, feel no resistance, and the pedal does not rebound, this phenomenon is not brakes return. This is usually due to the brake line or brake fluid leaks caused by lack of need to shop to check to see if the brake cylinder, and pipe joints for leakage, the master cylinder, slave cylinder component damage.
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