Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics

34 00 ... Checking brake discs

Special tools required:





Necessary preliminary tasks:
^ Remove wheels.

Checking thickness difference:
^ Measure thickness difference within brake surfaces at 8 point (spread over the circumference) with a micrometer gauge





^ Compare measurement result with setpoint value





Check minimum brake disc thickness:
^ Position special tool 34 1 280 at three measuring points in area (1) and measure.
^ Compare measurement result and lowest value with setpoint value