Impreza L Sedan F4-2.2L SOHC (1997)
CAUTION: When removing valve rocker assembly, keep the assembly soaked in engine oil, or position it with air bleeding orifice on
rocker arm facing upward as shown. This prevents oil leakage from and air entering into the hydraulic lash adjuster. Failure to do so
may cause air to enter the hydraulic lash adjuster, causing loss in performance.
7) Temporarily and equally tighten bolts (1) through (4). Do not allow knock pin to catch valve rocker assembly.
8) Tighten bolts (5) through (8) to specified torque
9) Tighten bolts (1) through (4) to specified torque
Tightening torque: 12 ± 1 Nm (1.2 ± 0.1 kg-m, 8.7 ± 0.7 ft. lbs.)
10) Install rocker covers.
Tightening torque: 5 ± 1 Nm (0.5 ± 0.1 kg-m, 3.6 ± 0.7 ft. lbs.)
11) Connect harness connectors, hoses, etc. to their positions.