GTI L4-2.0L Turbo (BPY) (2007)
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Remove seal using Trim Removal Wedge 3409.
When removing, make sure that surface of cylinder is not damaged.
Piston, installing
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The surface of the piston and seal must only be cleaned with mineral spirits and then dried.
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Thinly coat piston and seal with assembly paste G 052 150 A2 before inserting.
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Install sealing ring in brake caliper.
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Place protective cap with outer sealing lip on to piston.
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Insert inner sealing lip in cylinder groove using Trim Removal Wedge 3409.
Hold piston in front of brake caliper for this procedure.
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Press piston into brake caliper using piston resetting tool.