Impreza L Sedan F4-2.2L SOHC (1997)
Lifter / Lash Adjuster: Testing and Inspection
INSPECTION
1) Disconnect blow-by hose from rocker cover.
2) Remove spark plug cap.
3) Remove left and right rocker covers.
CAUTION: Before removing left rocker cover, disconnect battery cables and generator cable.
4) Manually push valve rocker (at lash adjuster location) to check that there is no air in it.
NOTE: When air is in lash adjuster, valve rocker moves when pushed with fingers.
5) If air is in lash adjuster, remove valve rocker assembly from engine and bleed air completely.
AIR BLEEDING
1) Remove valve rocker assembly.
a) Remove bolts (1) through (4) in numerical sequence.