audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing clutch slave cylinder > < Servicing clutch release mechanism
Clutch release mechanism - exploded view of components
   
Clutch release mechanism - exploded view of components
1 - Clutch slave cylinder
q   Removing and installing → Chapter
q   Do not operate clutch pedal after slave cylinder has been removed.
q   Grease lightly before installing → Anchor
q   When installing, push in until the securing bolt can be fitted.
q   With plug-in connection for hose/pipe assembly
q   Disconnecting hose/pipe assembly → Anchor
q   Follow correct procedure when bleeding → Chapter
q   Tighten bleeder valve to 4.5 Nm.
2 - Hexagon socket head bolt, 23 Nm
q   Slave cylinder to gearbox
q   Self-locking
q   Renew
3 - Bracket
q   For pipe/hose assembly
q   Attached to gearbox together with slave cylinder
q   Installing → Anchor
q   Bolt onto gearbox with slave cylinder
4 - Operating rod
q   Lubricate end of operating rod with copper grease -Z 381 351 TE-
5 - Release bearing
q   With or without plastic ring, depending on design
q   Checking and servicing release bearing with glued plastic ring → Fig.
q   Checking release bearing with mechanically attached plastic ring → Fig.
q   Renew if groove worn on plastic ring is too deep → Fig.
q   Renew bearings if noisy
q   Retainer lugs on release bearing must engage in release lever
6 - Bolt, 25 Nm
q   Self-locking
q   Renew
7 - Leaf spring
8 - Clutch release lever
q   Several versions available. For correct allocation refer to → Parts catalogue
q   Removing → Fig.
q   Must engage in the lugs in intermediate piece when installed → Fig.
q   Before installing, lubricate area which makes contact with operating rod of slave cylinder with copper grease -Z 381 351 TE-
9 - Bolt, 15 Nm
q   3 x
10 - Guide sleeve
11 - Oil seal
q   For input shaft
q   Removing → Fig.
q   Installing → Fig.
q   Pressing-in depth (factory): 3.5 mm, Pressing-in depth (repairs): 4.5 mm
12 - Intermediate piece
q   Renew if damaged
13 - Gearbox

   
Removing input shaft oil seal
–  Pry out oil seal carefully using a screwdriver -arrow-.
  Note
Take care not to damage contact surface for oil seal on input shaft.
  V34-2518
Installing input shaft oil seal
–  Fill space between sealing lip and dust lip of new seal for input shaft with a thin coat of grease -G 052 128 A1-.
–  Fit a thin insulating hose tightly over splines of input shaft.
–  Drive in input shaft oil seal.
l  Pressing-in depth when fitted at factory: 3.5 mm.
l  Pressing-in depth when re-installing a used input shaft (repairs): 4.5 mm.
–  Remove insulating hose.
  V34-1649
Removing clutch release lever
–  Slacken bolt -1-, remove leaf spring-2- and press back catch -arrow-.
–  Remove clutch release lever -4- together with release bearing -3-.
–  Disengage retaining tabs of release bearing at release lever.
  A34-0145
Installing clutch release lever
–  Before installing clutch release lever, apply a thin coat of copper grease -Z 381 351 TE- to contact surface for operating rod of clutch slave cylinder.
–  Insert clutch release lever -A- in intermediate piece -C- and allow to engage (catch -B- becomes visible).
–  Fit leaf spring → Item and tighten the bolt → Item to 25 Nm.
  V30-0407
Checking and servicing release bearing with glued plastic ring
l  Identification: inner side of plastic ring has three lugs -arrows-.
The plastic ring -arrows- may come loose from the release bearing when the gearbox or release bearing is removed. The release bearing does not have to be renewed if this happens.
–  Before installing the gearbox, glue the loose plastic ring back onto the bearing with adhesive -AMV 195 KD1 01-.
l  The three square lugs -arrows- on the plastic ring engage in the recesses of the bearing ring.
  Note
The release bearing must be renewed if the groove worn on the plastic ring is deeper than 0.8 mm.
  N30-0285
Checking release bearing with mechanically attached plastic ring
l  Identification: retaining tabs around plastic ring -arrows-.
  Note
t  The release bearing must be renewed if the plastic ring -1- has come loose.
t  The release bearing -3- must be renewed if the groove -arrow 2- worn on the plastic ring -1- is deeper than 0.8 mm.
  A30-10045

Removing and installing clutch slave cylinder > < Servicing clutch release mechanism