RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
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Remove seal.
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Use trim removal wedge 3409 for this.
Note:
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When removing make sure that the surface of the cylinder is not damaged.
Installing
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The surface of the piston and seal should be cleaned using methylated spirits and then dried.
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Apply a thin coat of lithium grease G 052 150 A2 to piston and seal before inserting.
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Insert inner seal in brake caliper housing groove using trim removal wedge 3409.
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Press in protective cap with special tool -1- and -2-.
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Item -1- Assembly tool for protective caps T10146/1
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Item -2- Piston resetting tool T10145
Note:
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Use jaw protectors