S6 V8-4.2L (BBD) (2004)
Brake Caliper: Service and Repair
Front Brake Caliper (C38), Servicing
Brake caliper, servicing
Note:
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When carrying out repairs install all of the parts supplied in the repair kit.
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New brake calipers are filled with brake fluid and are pre-bled.
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Apply a thin coat of brake cylinder paste G 052 150 A2 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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Pre-bleed caliper housing after repairing
3. Bleeder valve
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Apply thin coat of brake cylinder paste G052 150 A2 to threads before screwing in
4. Protective cap
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Install onto bleeder valve
5. Seal
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Use 3409 wedge to remove
6. Piston with automatic adjustment
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Unscrewing from brake caliper housing -
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Screwing into brake caliper housing - Fig 5
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Apply thin coat of brake cylinder paste G 052 150 A2 before installing
7. Guide pins
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Grease before pulling on dust seal
8. Dust seal
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Install so that outer sealing lip goes over piston - Fig 3
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Install so that inner sealing lip enters groove in brake caliper housing - Fig 4
9. Dust seal
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Pull onto brake carrier and guide pin