Before installing, coat clutch slave cylinder with grease

WARNING: This page is about a different car, the 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Coat Boot Area Of Clutch Slave Cylinder With Lithium Grease

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Lightly lubricate contact surface for push rod at clutch release lever with copper grease, e.g. Z 381 351 TE.
Lubricate area -a- on boot with lithium grease G 052 150 A2 before fitting slave cylinder into transmission housing.