The parking brake cable is the cable that is used to
engage the parking brakes on numerous vehicles. It's normally a steel braided
cable covered in a protective sheath that's used to activate the vehicle's parking
brakes mechanically.
The cable pushes on the callipers or brake drums when
the parking brake lever or pedal is depressed, engaging the vehicle's parking
brake.
When stopped or stationary, the parking brake is
utilised to keep the vehicle from rolling. This feature is particularly useful
while parking or halting on inclines or hills, where a car is more likely to
roll and cause an accident.
This is why it is checked during a MOT
testing service, and if it is found
to be defective, it will result in a MOT test failure.
When the parking brake cable breaks or gets too loose,
the car loses this important safety feature. A bad or failing parking brake
cable usually causes a few indications that warn the driver to a potential
problem that needs to be addressed. If you check
MOT history of your car, an applied handbrake that does not
stop the car from rolling will fail a MOT test.
The following are four symptoms that your
parking/handbrake cable is broken:
1. Parking/handbrake does
not hold the vehicle - A handbrake that
does not effectively hold the vehicle is the most prevalent indicator of a
problem with the parking brake cable. The parking brake cable will lose its
ability to draw the parking brake as tightly if it becomes overly worn or
strained. Even when the parking brake is fully engaged, the parking brake will
not be able to support the weight of the vehicle, causing it to roll or lean.
If you discovered your car previously failed a MOT owing to the handbrake while
conducting an online MOT history check, a loose
cable was most likely the culprit.
2. Parking brake
not working - A parking brake that does not work is another
sign of a problem with the parking brake cable. The parking brake will be
disengaged if the cable snaps or breaks. The parking brake isn't working, and
the pedal or lever could be loose.
3. An illuminated handbrake warning light - This is
another indicator of a problem with the parking brake cable. When the parking
brake is set so that the driver does not drive with the brake applied the
parking brake warning light illuminates. When the Parking Brake Light
illuminates even after the brake handle or pedal has been released, it could
mean that the cable is stuck or jammed, and the brake isn't releasing properly.
If you complete a MOT
history checker online for your
car, an illuminated warning dashboard light is a common reason for a MOT test
to fail.
4. The handbrake has an
unusual feel to it - When you use the
handbrake, you get a sense of how it works. The handle will effortlessly draw
up and down while also providing some restriction. When you engage or disengage
it, it really should lock solidly into position. The sensation of your
handbrake can be impacted by a stretched, loose, misaligned, or tangled cable.
When you move the handle up and down, for example, it may seem stiffer than
usual. It's also possible that the handle is loose and unsteady. It's possible
that you'll have to work harder to get it to turn on or off.
To function, your handbrake depends on cabling
connections. When you engage this brake, its wires apply stopping force to your
wheels, allowing your car to remain stationary.
These cables aren't indestructible. Corrosion,
stretching, movement out of position, and even snapping are all possibilities.
While a little issue may cause your handbrake to become less sensitive than
usual, a more significant issue could cause the entire system to fail.
If one of your cables fails, the dashboard warning
light for your handbrake may illuminate. This light, on the other hand, could
signal a variety of issues with the system. Your fluid levels, for example,
could be low, or you could have a faulty connection.
Parking/handbrakes are an important parking and safety
device found on nearly all road cars. If you suspect a problem with your
parking/handbrake cable, get your car evaluated by a competent mechanic to
see if it needs to be replaced.
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