A8 Quattro Sedan V8-4.2L (AUX) (2001)
Brake Caliper: Service and Repair
Rear
Note:
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Install complete repair kit when servicing.
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New brake calipers are filed with brake fluid and are prebled.
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Apply a thin coat of brake cylinder paste G 052 150A2 to brake cylinders, pistons and seals.
1. Self locking bolts, 35 Nm
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Always replace
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When loosening and tightening, counterhold on guide pin
2. Brake caliper housing with parking brake cable lever
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Replace if leaking at parking brake cable lever
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Prebleed caliper housing after repairing, Refer to Fig. 6
3. Bleeder valve
4. Dust cap
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Install onto bleeder valve
5. Seal
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Note different versions
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Use 3409 wedge to remove, Refer to Fig. 3
6. Piston with automatic adjustment
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Unscrewing from brake caliper housing, Refer to Fig. 1