>> A << Strut Nut Installation

Ensure that the bearing is seated correctly.
Install special tools MB991237 and MB991238 to the strut same as its removal.
CAUTION: Do not use an impact wrench to tighten the bolt of special tool MB991237, otherwise the special tool will break.
While the coil spring is being compressed by the special tools, temporarily tighten the strut nut.

Fig 1: Installing Special Tools
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Align the hole in the strut spring lower seat with the hole in the upper spring seat.
NOTE: Using a rod as shown facilitates the alignment.
Correctly align both ends of the coil spring with the grooves in the spring seat, and then loosen the special tools.

Fig 2: Aligning Hole In Strut Spring Lower Seat With Hole In Upper Spring Seat
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CAUTION: Do not use an impact wrench to tighten the strut nut, otherwise the strut nut will be damaged. Vibration of the impact wrench will cause the valve inside the strut to dropout.
Using special tools MB991681 and MB991682, tighten the strut nut to 60 +/- 10 N.m (45 +/- 7 ft-lb).

Fig 3: Tightening Strut Nut
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
After tightening the strut nut, fill the multi purpose grease to the bearing part of strut insulator.

Fig 4: Filling Multi Purpose Grease
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.