Driveshaft. Installing - BMW 5251 Service Manual

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Driveshaft
Driveshaft, installing
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Prepare CV joint for reinstallation:
Extend joint to limit.
Clean off old grease and fill with fresh grease
Install new seal.
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Bend driveshaft slightly at center universal joint to install
CAUTION-
Do not allow CVjoint seal to become displaced.
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Align matchmarlts on driveshaft to matchmarks on final drive
and transmission flanges.
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Fit constant velocity joint to final drive input flange. Alternate-
ly tighten two opposite nuts to draw constant velocity joint
evenly into the final drive input flange. Once seated, tighten
down remaining nuts.
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CAUTION-
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Do not reuse self-locking nuts. These nuts are designed to be
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used onlv once.
1
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Insert bolts in front of driveshafl to transmission output
flange. Counterhold each bolt while tightening nut.
CAUTION-
.
Do not reuse self-locking nuts. These nuts are designed to
be used only once.
Avoid stressing the flex-disc when torquing the bolts.
Do this by counterholding the bolts and turning the nuts
on the flange side.
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Position center support bearing and install mounting nuts.
Use new self-locking nuts.
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Install heat shields.
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Install rear transmission support crossmember.
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Install exhaust system. See 180 Exhaust System.
Reconnect oxygen sensor wiring harnesses and reattach
wiring harness retainers to rear transmission support
crossrnernber.