Gearbox Backlash Adjustment (Servicing On Vehicle)

Using the ST, loosen the lock nut.
Loosen the adjusting screw by using ST, and apply liquid gasket to the entire area of the adjusting screw threads.
PREPARATION TOOL:

ST: SPECIAL TOOL CPS (34199AJ060)

Liquid gasket:

THREE BOND 1102 or THREE BOND 1215

Fig 1: Loosening Lock Nut Using ST
Courtesy of SUBARU OF AMERICA, INC.
Tighten the adjusting screw to the specified torque, then loosen it.
Tightening torque:

9.8 N.m (1.0 kgf-m, 7.2 ft-lb)
Tighten the adjusting screw to the specified torque, then loosen it.
Tightening torque:

6.0 N.m (0.61 kgf-m, 4.4 ft-lb)
Tighten the adjusting screw to the specified torque, then loosen it approx. 30°.
CAUTION: Do not loosen 30° or more.

Tightening torque:

6.0 N.m (0.61 kgf-m, 4.4 ft-lb)
Install the lock nut. While holding the adjusting screw, tighten the lock nut using ST.
Tightening torque (lock nut):

39 N.m (3.98 kgf-m, 28.8 ft-lb)

NOTE: Secure the adjusting screw to prevent it from rotating while tightening the lock nut.