Subaru 2002 Impreza Service Manual page 150

CAMSHAFT
Mechanical
6. Camshaft
0
The camshaft is supported inside the cylinder head at four journals.
0
The two flanges on each camshaft supports thrust forces to limit the end play of the camshaft
within the tolerance.
0
Each camshaft has an oil passage in it.
U
u u
B2H1987B
(1 ) Journal
(2)
Oil passage
(3) Shaft flange
M E-8