AUDI A4 1999 B5 / 1.G Brakes Technical Data Workshop Manual

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Technical data Brakes

Front brakes
Brake master cylinder piston diameter mm (in.) 23.81 (0.937) 25.4 (0.999)
Brake servo diameter mm (in.) 254 (10) 254 (10)
Brake calipers Teves Double piston
Front brake disc diameter mm (in.) 288 (11.34) 321 (12.64)
Front brake caliper piston diameter mm (in.) 57 (2.24) 42.8 (1.69)
Thickness of internally ventilated brake disc mm (in.) 25 (0.984) 30 (1.18)
Internally ventilated brake disc wear limit mm (in.) 23 (0.906) 28 (1.10)
Thickness of unventilated brake disc mm (in.) 15 (0.591) -
Unventilated brake disc wear limit mm (in.) 13 (0.039) -
Brake pad thickness mm (in.) 14 (0.551) 14 (0.551)
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Rear brakes
Rear brake calipers Lucas
Rear brake caliper piston diameter mm (in.) 38.1 (1.500)
Rear brake disc diameter mm (in.) 245 (9.65)
Brake disc thickness mm (in.) 10 (0.394)
Brake disc wear limit mm (in.) 8 (0.315)
Brake pad thickness mm (in.) 12 (0.47)
Brake pad wear limit mm (in.) 2 (0.079)
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