Impreza RS Coupe AWD F4-2.5L SOHC (1999)
NOTE: Do not allow packing to be caught when installing valve assembly.
5. Tighten bolts alternately to secure valve assembly.
Tightening torque:
25 ± 5 Nm (2.5 ± 0.5 kg-m, 18.1 ± 3.6 ft. lbs.)
CAUTION: Be sure to alternately tighten bolts.