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

-21%
RIDEX Warning Contact, brake pad wear
Article № : 407W0002
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£ 2,54
£ 2,01
incl. 20% VAT, Shipping
  • Warning Contact Length [mm]: 97,5
  • Brake Type: Disc Brake
  • Condition: New

OEM-Number

A2 11 5 401 717

21 15 4 017 17

16 95 4 016 17

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-21%
RIDEX Warning Contact, brake pad wear
Article № : 407W0005
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£ 6,89
£ 5,44
incl. 20% VAT, Shipping
  • Brake Type: Disc Brake
  • Length [mm]: 670
  • Condition: New

OEM-Number

34 35 6 789 492

34 35 6 776 421

34 35 6 764 298

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-21%
RIDEX Warning Contact, brake pad wear
Article № : 407W0017
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£ 3,34
£ 2,64
incl. 20% VAT, Shipping
  • Fitting Position: Rear Axle, Front Axle
  • Warning Contact Length [mm]: 95
  • Brake Type: Disc Brake
  • Condition: New

OEM-Number

A1 64 5 401 017

A6 39 5 401 517

63 95 4 014 17

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-21%
STARK Warning Contact, brake pad wear
Article № : SKWW-0190001
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£ 2,66
£ 2,10
incl. 20% VAT, Shipping
  • Warning Contact Length [mm]: 97,5
  • Brake Type: Disc Brake
  • Condition: New

OEM-Number

A1 69 5 401 617

22 05 4 007 17

A2 20 5 400 717

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-21%
BREMBO Warning Contact, brake pad wear
Article № : A 00 474
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£ 16,05
£ 12,68
incl. 20% VAT, Shipping
  • Brake Type: Disc Brake
  • Number of wear indicators [per axle]: 1
  • Length [mm]: 1045
  • Condition: New

OEM-Number

34 35 6 792 292

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-21%
BOSCH Warning Contact, brake pad wear
Article № : 1 987 474 966
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Buy BOSCH 1 987 474 966
£ 4,73
£ 3,74
incl. 20% VAT, Shipping
  • Brake Type: Disc Brake
  • Length [mm]: 97
  • Condition: New

OEM-Number

22 05 4 006 17

A2 20 5 400 617

In stock
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-21%
BREMBO Warning Contact, brake pad wear
Article № : A 00 353
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Buy BREMBO A 00 353
£ 5,51
£ 4,35
incl. 20% VAT, Shipping
  • Brake Type: Disc Brake
  • Number of wear indicators [per axle]: 1
  • Length [mm]: 93
  • Condition: New
In stock
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-21%
NK Warning Contact, brake pad wear
Article № : 280084
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Buy NK 280084
£ 4,07
£ 3,22
incl. 20% VAT, Shipping
  • Number of wear indicators [per axle]: 2,00
  • Length [mm]: 100,00
  • Condition: New
In stock
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