911 Turbo Cabriolet (996) F6-3.6L Turbo (2004)
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A. Friction area surface after normal brake load in street use operation.
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No replacement necessary!
B. Friction area surfaces after a long run and occasional higher load.
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Replacement not yet necessary!
C. End of service life of friction area surface or after highest load on a racing track.
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Replace brake discs in the case of connected friction surface damage > 1 cm2.
2. Checking brake discs for minimum thickness
Note:
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For perforated brake discs, the minimum thickness must always be measured on the inner or outer friction surface trace.
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Brake disc thickness/wear limit. Maximum 0.5 mm total wear permissible. Refer to the technical data for the new dimension and other dimensions
Refer to No. 46, Technical data/wear limits - GT2 or Turbo with PCCB. See: Specifications
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Measure the brake disc thickness dimension -X- with a suitable micrometer screw or a brake disc gauge in the area of the inner and outer friction
surface traces -arrow-.
3. Checking brake discs for edge damage
Note:
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Irrespective of wear, a brake disc change can be necessary on the brake disc friction surfaces due to edge damage!
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In this case, only one brake disc can be replaced if the friction area surface of the other PCCB brake disc is in order!
The following criteria applies to edge damage assessment:
