RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
Installing
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The surface of the piston and seal should be cleaned using only methylated spirits and then dried.
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Apply a thin coat of lithium grease (G 052 150 A2) to the piston and seal before inserting.
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Insert the O-ring into the brake caliper housing.
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Place the protective cap with the outer sealing lip on the piston.
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Using trim removal wedge (3409), insert the inner sealing lip into the cylinder groove.
‹› When doing this, hold the piston in front of the caliper housing.
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Screw the piston in by turning the knurled wheel clockwise.