Clutch Variations - BMW 5251 Service Manual

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Raise and safely support vehicle
WARNING-
Make sure the car is stable and well supporied at all times.
Use a professional automotive /iff orjack stands designed for
the ournose. A floor jack is not adeouate suooort.
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If necessary, remove transmission splash shield.
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Disconnect fluid line from slave cylinder on lefl side of trans-
mission. Place pan under hose to catch dripping fluid.
4
Working underneath transmission, remove slave cylinder
mounting nuts (arrow) from clutch housing and remove
cylinder.
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Installation is reverse of removal, noting the following:
Check for wear on slave cylinder. Any wear except on tip is
caused by misalignment of clutch components.
Lightly coat pushrod tip with molybdenum disulfide grease
(MolyltoteIB Longterm or equivalent).
.
During installation be sure pushrod tip engages recess in
clutch release lever.
Fill fluid reservoir with clean fluid.
.
Bleed clutch hydraulics as described earlier.
Tightening toraues -
- .
Clutch slave cylinder to transmission
22
Nm
(16
R-lb)
Fluid line to slave cylinder
17
Nm
(13
ft-lb)
The transmission must be removed from the engine to access
the clutch mechanical components. It is recommended that
the clutch disc, pressure plate and release bearing be re-
placed during a clutch overhaul.
Besure tocheck the bottom of the bellhousing foroil. If engine
oil is found, check for a faulty rear crankshaft main oil seal.
See 119 Lubrication for rear main seal replacement.
Clutch variations
Two versions of the clutch are used:
1997 528i (6 cylinder) uses traditional clutch components.
All 540i (V-8) and 1998 and later 6 cylinder models from
use a self-adjusting clutch (SAC).