CAR Brake pad wear sensor

Brake pad wear sensor: common defects and their signs

  1. Damaging of sensor wires.
    • Absence of brake pads wear signal, with the presence of other signs indicating that their lifetime ends.
    • Specific screech appears during braking.
    • Efficiency of the braking system worsened.
    • The sensor continues to indicate brake pads wear even after installation of new ones.
  2. Terminals corrosion.
    • Signal of brake pads wear is not transmitted.
    • Whistling sound appears during braking.
    • False activation of the signal about the need to replace brake pads.

How to replace brake pad wear sensor?

It is impossible to restore the brake pad wear sensor. The component should be replaced if defect signs are found. Replacement procedure depends on the type of the component. It is impossible to remove an integrated sensor which is pressed into the friction lining. In case of its breakdown you need to install new brake pads with the built-in sensor.

The external type sensor, which is mounted into a special cut-out in a metal base of the pad, can be replaced. Replacement procedure isn’t difficult, any car owner can perform it. Before starting the work, familiarize yourself with car technical documentation, as actions sequence may vary for cars of different models.

The basic algorithm of external sensor replacement for any car is the following:

  1. Place the car onto a lifting platform.
  2. Unscrew fasteners and remove the wheel.
  3. Remove the sensor fastening clamps and remove it.
  4. Clean the mounting seat for a new component thoroughly.
  5. Install a new sensor and perform reassembling in the reversed order.

When doing worn brake pads replacement, specialists recommend to simultaneously replace their wear sensor, even if it is serviceable.

Brake pad wear sensor Information

Brake pad wear sensor: Bestsellers

RIDEX Warning Contact, brake pad wear
Article № : 407W0017
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£ 2,51
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Front Axle
  • Length [mm]: 95
  • Condition: New
In stock
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RIDEX Warning Contact, brake pad wear
Article № : 407W0014
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£ 1,80
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Left, Right, Front axle both sides
  • Brake Type: Disc Brake
  • Length [mm]: 103
  • Condition: New
In stock
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BOSCH Warning Contact, brake pad wear
Article № : 1 987 474 551
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£ 11,71
incl. 20% VAT, excl. delivery costs
  • Brake Type: Disc Brake
  • Length [mm]: 1045
  • Condition: New
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BREMBO Warning Contact, brake pad wear
Article № : A 00 474
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£ 12,64
incl. 20% VAT, excl. delivery costs
  • Brake Type: Disc Brake
  • Number of wear indicators [per axle]: 1
  • Length [mm]: 1045
  • Condition: New
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BOSCH Warning Contact, brake pad wear
Article № : 1 987 474 553
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£ 4,72
incl. 20% VAT, excl. delivery costs
  • Brake Type: Disc Brake
  • Length [mm]: 94
  • Condition: New
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BOSCH Warning Contact, brake pad wear
Article № : 1 987 474 966
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£ 4,56
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  • Brake Type: Disc Brake
  • Length [mm]: 97
  • Condition: New
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STARK Warning Contact, brake pad wear
Article № : SKWW-0190001
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£ 2,04
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Front Axle, Rear Axle
  • Warning Contact Length [mm]: 97,5
  • Brake Type: Disc Brake
  • Condition: New
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BOSCH Warning Contact, brake pad wear
Article № : 1 987 474 550
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£ 11,34
incl. 20% VAT, excl. delivery costs
  • Brake Type: Disc Brake
  • Length [mm]: 675
  • Condition: New
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