Impreza 2.5 RS Coupe F4-2.5L SOHC (2000)
10) If necessary, adjust the valve clearance.
11) Similar to measurement procedures used for #1 cylinder, measure #2, #3 and #4 cylinder valve clearances.
NOTE:
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Be sure to set cylinder pistons to their respective top dead centers on the compression stroke before measuring valve clearances.
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To set #3, #2 and #4 cylinder pistons to their top dead centers on the compression stroke, turn crankshaft pulley clockwise 180° at a time
starting with arrow mark on left-hand camshaft sprocket facing up.
12) After inspection, install the related parts in the reverse order of removal.
Tightening torque: 32 ± 10 Nm (3.3 ± 1.0 kg-m, 24 ± 7 ft. lbs.)
B: ADJUSTMENT
CAUTION: Adjustment of valve clearance should be performed while engine is cold.
1) Set #1 cylinder piston to top dead center of compression stroke by rotating crankshaft pulley clockwise.
NOTE: When arrow mark on camshaft sprocket (LH) comes exactly to the top, #1 cylinder piston is brought to the top dead center of the
compression stroke.