Impreza 2.5 RS Coupe AWD F4-2.5L SOHC (2001)
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Be sure to set cylinder pistons to their respective top dead centers on the compression stroke before adjusting 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 90ø at a time
starting with arrow mark on left-hand camshaft sprocket facing up.
