Mitsubishi 3000GT Service Manual page 660

PROPELLER SHAFT
Mating marks
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REMOVAL SERVICE POINTS
(1) Make mating marks on the differential companion flange
and flange yoke.
Caution
Remove the propeller shaft in a straight and level
manner so as to ensure that the boot is not damaged
through pinching.
NOTE
Damage to the boot can be avoided, and the work will
be easier, if a piece of cloth or similar material is inserted
in the boot.
(2) Use the special tool provided as a cover to prevent the
entry of foreign objects into the transfer.
The number of spacers necessary may differ from one location
to another (front, rear, right, left). Record the number of spacers
used to ensure correct installation.
INSTALLATION SERVICE POINTS
(1) Caution
Be cautious to avoid damage to the oil seal lip of
the transfer.
(2) Install the propeller shaft to the companion flange with
the mating marks properly aligned.
Caution
Tighten installation bolts after removing oil and grease
from threads to prevent them from loosening due to
lubrication.