TT Roadster L4-2.0L Turbo (BWA) (2009)
Brake Caliper: Overhaul
Rear Brake Caliper Piston
Rear Brake Caliper Piston
Special tools, testers and auxiliary items required
‹› Resetting and extracting tool (T10165)
‹› Disassembly wedge (3409)
Removing
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Remove piston from brake caliper by turning knurled wheel toward left.
Insert piston compressing and extracting tool so collar makes contact on piston.
‹› For pistons that are difficult to move, an open-end wrench (size 13 mm) can be applied at the appropriate wrench surface - arrow A -.
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Remove seal using trim removal wedge (3409).
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 lithium grease ( G 052 150 A2) before inserting.
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Insert oil seal in brake caliper housing.