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Understanding High and Low mileage in buying used cars.

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BREAK PAD WEAR!


WHY ONE SIDE OF YOUR BRAKE PAD (INNER SIDE) WEAR OFF MORE THAN THE OTHER SIDE (OUTER SIDE)

 HOW DOES A CAR BRAKE SYSTEM WORK?

When you apply your brake you push fluid from you brake fluid reservoir through the brake master into the caliper forcing a piston into the brake pads, forcing the pads to push into the spinning disc know as the rotor and brings the rotation to a halt and your vehicle to a halt too.
Now after you'v applied your brake the brake disc stops the piston from moving further, the caliper itself slides back towards the car along two little rails called GUIDE PIN.

NOW WHEN YOU NOTICE ONE SIDE OF YOUR BRAKE PAD WEARS OFF FASTER THEN THE OTHER SIDE,  WHAT IS LIKELY THE CAUSE?

Most brake calipers have single piston which means instead of two pistons pushing each of the pad on both sides only one piston from the inner side of the caliper do the work.
It does the pushing while your guide pins do the returning.
Anytime you want to change your brake pads always ensure your mechanic overhaul and lubricate the calipers.
Calipers rely on Newton's Law of Motion so they need to be sliding freely IN and OUT.

If they are not well lubricated  to slide freely after you have applied your brake and released, the piston will still clamp the inner pad on the disc wearing it off as your driving and before you know it the inner pad has worn out.

In summary, only changing your brake pads is not enough, always overhaul and lubricate the calipers, piston and the guide pins.
Most brake failures happen as result of our carelessness and negligence, so let's pay more attention to our brake system. 

If this post is helpful to you please SHARE to help others.
Stay Safe.

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