RS 6 V8-4.2L Turbo (BCY) (2003)
Brake Caliper: Service and Repair
Front Brake Caliper (HP-2), Servicing
Brake caliper, servicing
Double piston-brake caliper
Note:
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Install complete repair kit when servicing.
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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. Protective cap
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Push onto bleeder valve
2. Bleeder valve
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Apply thin coat of brake cylinder paste G 052 150 A2 to threads before screwing in
3. Brake caliper housing
CAUTION: Do not separate housing halves (socket head bolt). If dust seal for guide pin is damaged, replace brake caliper.
4. Sealing rings
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Use 3409 wedge to remove
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Insert carefully by hand
5. Pistons
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Press out of brake caliper housing using compressed air
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Apply thin coat of brake cylinder paste G 052 150 A2 before installing
6. Dust seals
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Do not damage when installing piston
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Install so that outer sealing lip goes over piston -
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Install so that inner sealing lip enters groove in brake caliper housing