Subaru Legacy 2004 Service Manual page 3256

BRAKE
Tightening torque:
"
8 N m (0.8 kgf-m, 5.8 ft-lb)
(1) Stop light switch
(2) Lock nut A
(3) Lock nut B
(4) Stopper
(5) Brake pedal
NOTE:
Tighten the lock nut B until the clearance between
the threaded end of stop light switch and stopper
becomes 0 mm (0 inch). Hold the stop light switch
to prevent turning, and then loosen the lock nut B
approx. 60&. The clearance (A) becomes 0.3 mm
(0.012 in).
Stop Light Switch
(1)
(2)
(3)
A
(4)
(5)
BR-00111
BR-46