S4 Quattro Wagon V8-4.2L (BHF) (2008)
![background image](/audi/s4_quattro_wagon/v8-4.2l_(bhf)/Page-1813002.png)
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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Place a protective seal with outer sealing lip on piston.
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Using trim removal wedge (3409), insert inner sealing lip into the cylinder groove.
‹› When doing this hold the piston in front of the caliper housing.
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Press the piston into the brake caliper housing using piston resetting tool (T10145).