A4 Quattro Wagon V6-3.0L (AVK) (2002)
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Insert O-ring
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Use removal wedge 3409 for this step.
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Place protective cap with the outer sealing lip on the piston.
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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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Thinly coat piston and seal with assembly paste G 052 150 A2 before inserting.
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Using removal wedge 3409, insert the inner sealing lip into the groove on the cylinder.
Note: When doing this hold piston in front of brake caliper housing.
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Press the piston into the brake caliper housing using a piston resetting tool.
Note: The outer sealing lip of the protective cap will then locate in the groove on the piston.