Selective 4WD Models

Loosen adjustment lock nuts of differential lock cable. Remove clevis pin from differential lock lever. Move differential lock lever to the center differential "LOCK" position. See Fig 1 .
Disconnect outer vacuum hose from vacuum actuator and connect vacuum pump to actuator. Apply 7.8-9.8 in. Hg to actuator to pull cable forward. Vacuum must keep actuator in applied position when adjusting cable. See Fig 2 .

Fig 1: Positioning Differential Lock Lever On Selective 4WD
Courtesy of SUBARU OF AMERICA, INC.
Align differential lock lever bore with hole at end of cable using turnbuckle. Install clevis pin and snap ring. Rotate turnbuckle 180 degrees in the compression direction and tighten the 2 lock nuts to 43 INCH lbs. (4.7 N.m). See Fig 3 .
Check operation of transfer shifter rod when 7.8-9.8 in. hg is applied to both sides of vacuum actuator. Shifter rod should move smoothly from the differential "LOCK" position to the differential "UNLOCK" position and vice versa.

Fig 2: Applying Vacuum To Actuator for Cable Adjustment
Courtesy of SUBARU OF AMERICA, INC.

Fig 3: Adjusting Differential Lock Cable on Selective 4WD
Courtesy of SUBARU OF AMERICA, INC.