Tips to Detect a Malfunctioning Brake Caliper

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TIPS TO DETECT MALFUNCTIONING BRAKE CALIPER
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The brake caliper is an important part of the
braking system of the car and its main job is to
slow down the wheels by creating friction with
the brake rotors.
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It works together with the brake pads, rotors
and along with the other components of the
hydraulic system to slow and stop the car.
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With the assistance of the pistons, the caliper
converts the hydraulic pressure in the brake
system into the mechanical force which presses
the brake pads against the brake disc.
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Over time, brake calipers wear out because of
the intense heat that is created while braking
and this results in adverse effects on the safety
and handling of the car.
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When the caliper starts to malfunction, the car
usually shows a few symptoms that a driver should
notice and service the car before any major
problem affects the car.
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Here are some of the common symptoms shown by a
malfunctioning brake caliper.
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Brake fluid leaks
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When you notice that there is leakage of the
brake fluid, then it might be the warning sign of
a bad brake caliper.
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The calipers rely on the brake fluid pressure for
their operation and a rubber seal and boot helps
to keep the fluid intact inside the braking
system avoiding leakage.
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But due to the regular exposure to heat produced
during braking, these rubber seals wear out and
allows the fluid to leak.
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Abnormal sounds
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Another common symptom of a faulty brake caliper
is abnormal sounds coming out of the wheels
whenever the brakes are applied.
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If you hear a high pitched noise of squeaking or
scraping sounds, while applying pressure on the
brake pedal then it might be the result of a
worn-out brake caliper.
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Under such conditions, the brake caliper will not
work and fails to stop the car efficiently.
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Car pulling
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While driving if you feel that the car is pulling
itself either to the left or right, then the
problem might be with the brake calipers.
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Sometimes, the intense heat produced while
braking seizes the caliper piston. A seized
caliper piston cannot automatically retract and
results in a constant drag on to that wheel.
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This drag forces the car to pull towards the
side of the faulty brake caliper. Such car
pulling to one side is very annoying while
driving.
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Why is the maintenance of brake calipers
important?
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The brake calipers are always the neglected part
of the car, which actually needs to be checked
and serviced regularly.
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Mostly the slide pins lose their lubrication and
affect the sliding capacity of the brake
calipers. The lack of lubrication may also result
in premature and uneven wear of the brake pads.
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And when the brake pads get unevenly worn, then
it does not connect properly with the brake rotor
and the stopping power of the wheels become
seriously weak.
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Bottom line
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A timely and correctly serviced caliper not only
slides smoothly on its guide pins, but also allow
the rotor to turn freely when the brake pedal
pressure is released.
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Therefore, servicing of the brake calipers should
be taken seriously as it is a vital mechanical
component of the braking system.
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