Mitsubishi Eclipse 1990 Service Manual page 1093

AUTOMATIC TRANSAXLE
ENGINE (TURBO) AND
6. Engage the special tool (outer) on the lock nut.
7. Attach a torque wrench to the special tool (inner) and
8. Engage the tool (outer) on the lock nut.
Revision
ENGINE> On-vehicle Service
Rotating the outer cylinder counterclockwise and the inner
cylinder clockwise, lock the lock nut and special tool (in-
ner).
tighten to a torque of 10 Nm (7.2
"Tighten" and "Loosen" two times then torque to 5 Nm
(3.6 After that, back off the special tool (inner)
2 to turns.
Rotating the outer cylinder clockwise and the inner cylinder
counterclockwise, unlock the lock nut and special 'tool
(inner).
Caution
When unlocking the nut and special tool, apply equal
force to both parts.
and repeating