Subaru 2002 IMPREZA Service Manual page 136

I
VALVE CLEARANCE
MECHANICAL
(3) Set the arrow mark on camshaft sprocket to
position shown in the figure, and measure #I
cylinder exhaust valve and #4 cylinder intake
valve clearances.
#I EX.
#4 IN. S2M 1 1960
15) After inspection, install the related parts in the
reverse order of removal.
Tightening torques
32 N-m (3.3 kgf-m, 24 ft-lb)
B: ADJUSTMENT
CAUTION:
Adjustment of valve clearance should be per-
formed while engine is cold.
1) Measure all valve clearances. <Ref. to
ME(D0HC TURBO)-28, INSPECTION, Valve
Clearance.>
NOTE:
Record each valve clearance after it has been
measured.
B2M1234
2) Remove the shim from valve lifter.
(1) Prepare the ST.
ST 498187200 SHIM REPLACER
H2M3622
(2) Rotate the notch of the valve lifter outward
by 45".
ME(D0HC TURBO)-30