Selective 4WD Models

WARNING: This page is about a different car, the 1990 Subaru XT6, 1990 Subaru XT, 1990 Subaru Loyale, 1990 Subaru Legacy, and 1990 Subaru Justy. However, it is still accessible from the selected car via links, so may be relevant.

Loosen differential lock lever cable adjustment lock nuts. Remove clevis pin from differential lock lever. Move differential lock lever to the center differential LOCK position. See Fig 1 .

Fig 1: Positioning Differential Lock Lever On Selective 4WD
Courtesy of SUBARU OF AMERICA, INC.
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 2: Applying Vacuum To Actuator For Cable Adjustment
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. Back off turnbuckle 180 degrees and tighten lock nuts to 43 INCH lbs. (5 N.m). See Fig 3 .

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