Wear Limit Technical Data − Gt2 - Porsche 996 TT Repair Manual

Piston in brake caliper
Brake pad area
Total brake pad area
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Wear limit technical Data − GT2
Two condition criteria can make replacement necessary depending on the wear of PCCB brake discs:
1. Surface changes in the brake disc friction surfaces at an advanced stage.
2. Brake disc minimum thickness is not attained due to wear (material erosion due to friction).
Designation
Pad thickness
Brake disc thickness, new
Brake discs minimum thickness
Thickness tolerance of the brake discs, max.
Lateral runout of the brake disc, max.
Lateral runout of the wheel hub, max.
Lateral runout of the brake disc when installed, max.
Pushrod play (measured at the brake pedal plate)
Parking brake
(handbrake)
Parking brake drum
Brake shoe width
Brake pad thickness
Technical Data − GT2
einordnung
front 2 x 38 mm
6−piston 2 x 32 mm
2 x 28 mm
rear
4−piston 2 x 30 + 2 x 28 mm
front 448 cm
rear 248 cm
696 cm
front approx. 12.0 mm
rear
front 34 mm
rear
front
rear
996840, 996841
2
2
2
Note, dimensions Wear limit
2 mm
approx. 12.0 mm 2 mm
28 mm
PCCB = 33.5 mm
steel = 32.0 mm
PCCB = 27.5 mm
steel = 26.0 mm
0.02 mm
0.03 mm
0.03 mm
0.06 mm
approx. 1 mm
Drum brake acting mechanically on
both rear wheels
180 mm 181 mm
25 mm
4.5 mm 2 mm
1836