Subaru 2002 Impreza Service Manual page 149

VALVE ROCKER ASSEMBLY
a
Mechanical
5. Valve Rocker Assembly
0
The intake valve rocker arms and the exhaust valve rocker arms are installed on their own rocker
shafts both of which are retained by the camshaft caps.
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The valve end of each rocker arm is provided with valve rocker adjusting screw and nut. Turning
of this screw adjusts the valve clearance.
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The exhaust valve rocker arms are Y-shaped, and each arm operates two exhaust valves simul-
taneously.
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Each rocker shaft has an oil passage in it.
(1) Valve rocker adjusting screw and nut
(2) Intake valve rocker arm
(4) Camshaft cap
(5) Supporter
NF0043
(3) Wave washer (6) Exhaust valve rocker arm
M E-7