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Removing and installing clutch slave cylinder > < Bleeding clutch system
Exploded view - servicing clutch release mechanism
   
Exploded view - servicing clutch release mechanism
Special tools and workshop equipment required
t  Thrust plate -VW 402-
t  Press tool -VW 412-
t  Press tool -VW 454-
t  Torque wrench -V.A.G 1331-
t  -1-Internal puller -Kukko 21/5-
t  -4-Counter-support -Kukko 22/1-
t  Sealing grease -G 052 128 A1-
t  Adhesive -AMV 195 KD1 01-
t  Copper grease (commercially available)

   
1 - Clutch slave cylinder
q   Removing and installing → Chapter
q   Do not operate clutch pedal after slave cylinder has been removed
q   When installing, push in until the securing bolt → Item can be fitted
q   Bleeding clutch system → Chapter
q   Tighten bleeder valve to 4.5 Nm
2 - Hexagon socket head bolt
q   23 Nm
q   Clutch slave cylinder to gearbox
q   Self-locking
q   Always renew
3 - Bracket
q   For pipe/hose assembly
q   Bolt to gearbox with clutch slave cylinder
4 - Plunger
q   Lubricate end of plunger with copper grease (commercially available)
5 - O-ring
q   Always renew → Fig.
q   Lubricate with gear oil before installing
6 - Oil seal
q   For input shaft
q   Pull out of guide sleeve → Item → Fig..
q   Installation depth → Fig.
q   Press into guide sleeve → Item → Fig..
q   Pack space between sealing lip and dust lip half full with sealing grease -G 052 128 A1-
7 - Guide sleeve
q   Removing and installing → Fig.
q   Before removing and installing, cover input shaft splines with a shrink-fit hose to protect oil seal
8 - Clutch release lever
q   Removing and installing → Fig.
q   Before installing, lubricate area which makes contact with plunger of slave cylinder with copper grease (commercially available).
9 - Release bearing
q   Do not wash out; wipe clean only
q   Renew bearing if noisy
q   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   Retainer lugs on release bearing must engage in release lever
10 - Bolt
q   24 Nm
q   Self-locking
q   Before installing bolt, clean thread with wire brush and then apply locking fluid -AMV 185 101 A1-
11 - Leaf spring
12 - Bolt
q   24 Nm
q   Self-locking
q   Before installing bolt, clean thread with wire brush and then apply locking fluid -AMV 185 101 A1-
13 - Retaining piece
q   For guide sleeve
q   Removing and installing → Fig.
14 - Intermediate piece
q   Renew if damaged
15 - Gearbox

   
Removing and installing clutch release lever
Removing
–  Slacken off bolt -1- and remove leaf spring -2-.
–  Remove clutch release lever -3- with release bearing.
–  Disengage retaining tabs of release bearing at release lever.
Installing
–  Before installing clutch release lever, apply a thin coat of copper grease (commercially available) to contact surface for plunger of clutch slave cylinder.
–  Fit clutch release lever -3- with release bearing onto guide sleeve.
–  Insert leaf spring -2-.
–  Clean thread of bolt -1- with a wire brush. Then insert bolt -1- with locking fluid -AMV 185 101 A1- and tighten to 24 Nm.
  A30-0112
Checking and servicing release bearing with glued plastic ring
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-.
The three square lugs -arrows- on the plastic ring engage in the recesses of the bearing ring.
t  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
Identification: retaining tabs around plastic ring -arrows-.
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 guide sleeve
Removing
–  Unscrew bolts -arrows- and remove retaining piece -1-.
–  Fit a thin insulating hose or shrink hose tightly over splines of input shaft.
–  Pull guide sleeve -2- out of gearbox housing.
Installing
–  Renew O-ring in gearbox housing → Fig..
l  A thin insulating hose or shrink hose is fitted tightly onto input shaft splines.
–  Pack space between sealing lip and dust lip half-full with sealing grease -G 052 128 A1-.
–  Coat outer circumference of guide sleeve with gear oil.
–  Push guide sleeve -2- over input shaft and into gearbox housing.
–  Remove insulating hose/shrink hose.
–  Fit retaining piece -1-.
–  Clean threads of bolts -arrows- with a wire brush. Then insert bolts with locking fluid -AMV 185 101 A1- and tighten to 24 Nm.
  A30-0113
Renew O-ring
–  Pry out O-ring -arrow- using a small screwdriver.
–  Lubricate new O-ring with gear oil before installing.
  A30-0116
Pulling oil seal for input shaft out of guide sleeve
A - Counter-support, e.g. -Kukko 22/1-
B - Internal puller 30 ... 37 mm, e.g. -Kukko 21/5-
  N30-10064
Installation depth - oil seal for input shaft
Dimension x = 7.75 mm ± 0.5 mm
  A30-0149
Pressing oil seal for input shaft into guide sleeve
–  Lightly lubricate outer circumference of oil seal with gear oil.
–  Press in oil seal for input shaft → Fig. „„Installation depth - oil seal for input shaft““. Make sure oil seal remains straight.
l  The open side of the oil seal faces towards press tool -VW 454-.
–  Pack space between sealing lip and dust lip half-full with sealing grease -G 052 128 A1-.
  A30-0115

Removing and installing clutch slave cylinder > < Bleeding clutch system