Exploded view - SAC clutch, LuK version — AUDI

Exploded view - SAC clutch, LuK version
Note
“SAC”
stands for
“Self-Adjusting Clutch”
.
Observe notes on clutch
Chapter
.
Clutch module
Removing and installing
Chapter
Oil seal
For dual-mass flywheel
Pulling out
Fig.
Driving in
Fig.
Needle bearing
For dual-mass flywheel
Different versions
Fig.
For correct version, refer to
Electronic parts catalogue
Check and renew if necessary
Fig.
Pressing out
Fig.
Pressing in
Fig.
Note
Always renew needle bearing if input shaft is damaged
Anchor
Depending on the version fitted, the needle bearing may have the full number of rollers, or every 4th roller may be missing.
The needle bearing of the type where every 4th roller is missing must always be renewed on vehicles with 4-cylinder TDI engine (except 125 kW TDI)
Chapter
.
On all other vehicles the missing needle rollers do not mean that the needle bearing is defective. Do not renew the needle bearing.
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.
Checking for damage
Fig.
Removing and installing
Chapter
“
Removing and installing LuK version clutch
”
Clutch plate
Removing and installing
Chapter
For correct version, refer to
Electronic parts catalogue
Installation position: marking
“Getriebeseite”
(gearbox side) faces towards pressure plate
If fitted, coil springs (damper assembly) face towards pressure plate
SAC pressure plate
For correct version, refer to
Electronic parts catalogue
Removing and installing
Chapter
Resetting adjuster ring
Chapter
Checking ends of diaphragm spring
Fig.
Checking pressure plate for distortion
Fig.
Checking springs and riveting
Fig.
Contact surface for clutch lining must be free of grooves, oil and grease
Bolt
22 Nm and then turn 90° further
Always renew
Secures pressure plate to dual-mass flywheel
Observe assembly instructions
Chapter
for loosening or tightening
Rattling sound in LuK version dual-mass flywheel with centrifugal pendulum absorber
When the clutch module
A
is turned, a rattling sound can be heard at intervals of approx. 90°.
This is caused by moving pendulum masses in the dual-mass flywheel and is not a fault.
Checking needle bearing in dual-mass flywheel on vehicles with 4-cylinder TDI engine (except 125 kW TDI)
Caution
Check version of needle bearing in dual-mass flywheel.
Depending on the version, ball bearings or needle bearings may be fitted; needle bearings may have the full number of rollers, or every 4th roller may be missing.
The needle bearings
B
of the type where every 4th roller is missing
arrows
must always be renewed on vehicles with 4-cylinder TDI engine (except 125 kW TDI)
Chapter
.
On all other vehicles the missing needle rollers do not mean that the needle bearing is defective. Do not renew the needle bearing.
Depending on the manufacturer, the new needle bearings are fitted with the full number of either rollers
A
or balls
C
.
Depending on the make, the following bearings are fitted on vehicles with 4-cylinder TDI engines (except 125 kW TDI):
»LuK«
dual-mass flywheel: Needle bearing
A
fitted with the full number of rollers
»Sachs«
dual-mass flywheel: Ball bearing
C
For correct version, refer to
Electronic parts catalogue
Checking dual-mass flywheel for damage
Check projections
arrow A
and friction surface
arrow B
for cracks.
Ensure that dowel pins
arrows C
are seated securely in dual-mass flywheel.
Surface
2
must not be warped
arrow D
.
Drive plate
3
must not be bent.
Damage to wall of dual-mass flywheel housing
Damage to housing wall is caused by a defective bow spring
1
or bow spring mounting.
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.