CHECKING WITH Carbon-Ceramic Brake Wear Tester: VAS6813

Special tools and workshop equipment required 

• Carbon-Ceramic Brake Wear Tester: VAS6813 

NOTE:

The check occurs by determining the brake rotor thickness "and" the wear value with the Carbon-Ceramic Brake Wear Tester: VAS6813  , both must be measured three times respectively around the circumference.

The wear value -C- for the Carbon-Ceramic Brake Wear Tester: VAS6813  is engraved on the brake rotor cup.

Fig 1: Wear Indicator A Through D

Courtesy of AUDI OF AMERICA, LLC

The values -A and C- can be different depending on the location.

The values -A and C- can be different depending on the brake rotor.

Value -A- is a value from the production of the new brake rotor

• The wheel is installed.
• The brake rotor thickness is checked.
• The measuring device is checked. Refer to Carbon-Ceramic Brake Wear Tester .

Carbon-Ceramic Brake Wear Tester: VAS6813  :

• 1 On/Off button
• 2 Measured value hold button
• 3 Measured value display
• 4 Laser beam positioning tab
• 5 Interface
  Fig 2: Carbon-Ceramic Brake Wear Tester (VAS6813)

  Courtesy of AUDI OF AMERICA, LLC

Measurement:

• The brake rotor must be clean.
• The brake rotor must be dry.

At a distance of 120° the marks for the measurement for deterring the wear can be found

The following described measurement must take place on all three measurement locations to guarantee a correct check.

-A- new value, -C- wear value, -B- number of the measurement location, -D- mark for the laser beam for the measurement of the wear value.

Fig 3: Wear Indicator A Through D

Courtesy of AUDI OF AMERICA, LLC

For example the third measurement location -B- from "1 to 3" can be seen.

-- Place the Carbon-Ceramic Brake Wear Tester: VAS6813  flush on the outer edge of the brake rotor.

-- Switch on the Carbon-Ceramic Brake Wear Tester: VAS6813  .

-- Move the Carbon-Ceramic Brake Wear Tester: VAS6813  -1- along the outer edge -2- until the laser beam points exactly on the mark -D- on the brake rotor.

Courtesy of AUDI OF AMERICA, LLC

-- Determine the wear on all three measurement locations of the brake rotor from "1 to 3".

-- Read the displayed value on the Carbon-Ceramic Brake Wear Tester: VAS6813 

If one of the three wear values -C- is reached or falls short, the brake rotor must be removed for further checking.

Fig 4: Wear Indicator A Through D

Courtesy of AUDI OF AMERICA, LLC

-- Remove the brake rotor.

-- Place the Carbon-Ceramic Brake Wear Tester: VAS6813  again flush on the outer edge of the brake rotor.

The measurement must take place again on all three measurement locations to guarantee a correct check.

-- Move the Carbon-Ceramic Brake Wear Tester: VAS6813  -1- back along the outer edge -2- until the laser beam points exactly on the mark -D- on the brake rotor.

Courtesy of AUDI OF AMERICA, LLC

-- Determine the wear on all three measurement locations of the brake rotor from "1 to 3".

-- Read the displayed value on the Carbon-Ceramic Brake Wear Tester: VAS6813 

If one of the three wear values -C- is reached or falls short the brake rotor must be replaced.