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Removing and installing clutch with SAC pressure plate > < Removing and installing self-adjusting clutch (Sachs version)

A4 Cabriolet Mk2

Clutch with SAC pressure plate - Exploded view
   
Clutch with SAC pressure plate - Exploded view
  Note
t  “SAC” stands for “Self-Adjusting Clutch”.
t  The gearbox has to be removed before working on the clutch → Chapter.
1 - Dual-mass flywheel
q   Ensure that dowel pins fit tightly
q   Contact surface for clutch lining must be free of grooves, oil and grease
q   Removing and installing → Rep. Gr.13
q   Do not use a pneumatic wrench or impact wrench to remove bolts → Fig.
2 - Bolt for flywheel
q   Tightening torque for bolt length 22.5 mm: 60 Nm + 90° further
q   Tightening torque for bolt length 43 mm: 60 Nm +180° further
q   Renewing → Rep. Gr.13
3 - Clutch plate
q   Install with damper assembly (coil springs) or the word “Getriebeseite” (gearbox side) towards pressure plate and gearbox
q   Centralising → Anchor
q   Lightly grease splines → Anchor
q   Select diameter of clutch plate according to engine code → Electronic parts catalogue.
4 - SAC pressure plate
q   Removing and installing → Chapter
q   Resetting adjuster ring → Chapter
q   Checking ends of diaphragm spring → Fig.
q   Checking spring connection and rivets → Fig.
5 - Bolt
q   22 Nm
q   Observe tightening sequence → Anchor
6 - Needle bearing
q   Removing and installing → Rep. Gr.13

   
Checking ends of diaphragm spring
l  Wear up to half the thickness of the diaphragm spring -arrows- is permissible.
  Note
When performing repairs always match up clutch pressure plate and clutch plate by checking engine code → Electronic parts catalogue.
  A30-0093
Checking spring connections and rivets
–  Check spring connections -arrows A- for damage and make sure riveted joints -arrows B- are seated tightly.
l  Renew pressure plate if spring connections are broken or badly bent, or if riveted fastenings are loose.
  A30-0153
Checking SAC pressure plate for distortion, cracks and burns
A - Straightedge
B - Feeler gauge
l  Max. distortion of pressure plate: 1.0 mm.
  A30-0104
Removing dual-mass flywheel
  Note
Do not use an impact wrench or pneumatic wrench to remove bolts -B-: this would severely damage the dual-mass flywheel. The bolts must always be removed by hand.
–  Rotate dual-mass flywheel -A- so that the bolts are aligned centrally behind the holes -arrows-.
–  When removing the bolts, make sure that none of the bolt heads contacts the dual-mass flywheel, as this would damage the flywheel when the bolts are unscrewed further.
–  Removing and installing dual-mass flywheel → Rep. Gr.13.
  A30-0102

Removing and installing clutch with SAC pressure plate > < Removing and installing self-adjusting clutch (Sachs version)