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Selective 4WD Models

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1988 Subaru XT6, 1988 Subaru XT, 1988 Subaru RX, 1988 Subaru Justy, and 1988 Subaru GL-10. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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 .
  2. 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
    G100156Courtesy of SUBARU OF AMERICA, INC.
  3. 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 .
  4. 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
    G100157Courtesy of SUBARU OF AMERICA, INC.
    Fig 3: Adjusting Differential Lock Cable on Selective 4WD
    G100158Courtesy of SUBARU OF AMERICA, INC.
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