Exploded view - clutch unit, SAC clutch (LuK version) — AUDI

Exploded view - clutch unit, SAC clutch (LuK version)
Observe notes on clutch
Chapter
.
“SAC”
stands for
“Self-Adjusting Clutch”
.
Clutch pressure plate and clutch plate can be renewed separately.
When only the clutch plate is being renewed, the adjuster ring in the pressure plate has to be reset before assembly
Chapter
.
Identification
Fig.
Clutch module
Removing and installing
Chapter
Oil seal
For dual-mass flywheel
Pulling out
Fig.
Driving in
Fig.
Needle bearing
For dual-mass flywheel
Pressing out
Fig.
Pressing in
Fig.
Note
Always renew needle bearing if input shaft is damaged
Anchor
Dual-mass flywheel
With flange for drive plate
Ensure that dowel pins fit tightly
Contact surface for clutch lining must be free of grooves, oil and grease
Different versions with or without centrifugal pendulum absorber
Fig.
Removing and installing
Chapter
Clutch plate
Removing and installing
Chapter
For correct version, refer to
Electronic parts catalogue
If present, marking
“Getriebeseite”
(gearbox side) faces pressure plate
If fitted, coil springs (damper assembly) face towards pressure plate
SAC pressure plate
Self-adjusting
For correct version, refer to
Electronic parts catalogue
Removing and installing
Chapter
Resetting adjuster ring
Chapter
Checking pressure plate for distortion
Fig.
Checking ends of diaphragm spring
Fig.
Checking springs and riveting
Fig.
Contact surface for clutch lining must be free of grooves, oil and grease
Bolt
Secures pressure plate to dual-mass flywheel
Observe assembly instructions
Chapter
for loosening or tightening
Renew after removal
22 Nm + 90°
Identification: SAC clutch
Visible adjustment mechanism (adjuster ring with springs)
“Clacking”
sound in LuK version dual-mass flywheel with centrifugal pendulum absorber
Depending on version, clutch modules
A
with or without centrifugal pendulum absorbers may be fitted.
When a clutch module with a centrifugal pendulum absorber is turned by hand, a
“clacking”
sound can be heard at intervals of approx. 90°.
This is caused by a centrifugal pendulum absorber in the dual-mass flywheel and is not a fault.
Checking pressure plate for distortion, cracks and burning
A
Straightedge
B
Feeler gauge
Pressure plate distortion up to 0.8 mm is permissible.
Checking ends of diaphragm spring
Wear up to 0.3 mm (maximum) is permissible.
Checking springs and riveting
I
Springs OK
Slight kinking on the outside
arrows A
is normal on production parts.
II
Springs damaged
Renew pressure plate if springs are broken or badly bent
arrow B
.
Check that riveting
arrows B
is secure at all springs
arrows A
.
Renew pressure plate if rivets
arrows B
are loose.