Allroad Quattro V8-4.2L (BAS) (2004)
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Remove seal.
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Use 3409 wedge for this.
Note: When removing, make sure that surface of cylinder is not damaged.
Installing
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Use only appropriate solvent to clean surfaces of piston and protective seal, then dry.
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Apply thin coat of brake cylinder paste G 052 150 A2 to piston and protective seal before installing.
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Using 3409 wedge, insert inner sealing ring into cylinder groove.
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Press in protective cap using special tools -1- and -2-.
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Item -1- assembly tool for protective caps T101 46/1
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Item -2- piston resetting tool T10145
Note: Use protective covers.
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Press protective cap onto caliper housing so that it makes contact all round.
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Pulling protective cap away from caliper housing by hand should no longer be possible.
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Thinly coat piston and sealing ring with assembly paste G 052 150 A2 before inserting.