Subaru XT 1988 Service Manual page 211

ENGINE
2-3
HEAD GASKET
The head gasket is finished with a silicon-based, cotton-like
treatment at the oil coolant passages to improve sealing.
CAMSHAFT CASE
1) The camshaft case holds the camshaft, and is an alum i-
nium die-casting.
2) A rib connects the front journal and the mounting portion
of the cam support to strengthen the camshaft case.
3) An oil filler duct and distributor are built into the left
camshaft case.
4) An oil passage is provided in the camshaft case at the
mounting portion of the cam support.
5) The camshaft case has a floating design which uses O-rings
together with mounting bolts.
Front
(LH) (RH)
L2-1282
Fig. 113
ROCKER COVER
1) The rocker cover is made from thin, die-cast aluminium
and is equipped with an oil separator.
2) This rocker cover adopts a float-supporting system with a
rubber ring type gasket and an oil seal washer to reduce the
noise level.
Rocker cover
Bolt
Rubber ring type gasket
L2-1283
Fig. 114
CRANKSHAFT
The crankshaft is supported by four bearings. Two crank pins
are used between adjacent crank journals.
These crank pins are located equally at an angle of 60° and are
numbered #1,
#6,
#3,
#2,
#5
and #4 in the clockwise
direction.
#6
#3
#1
#2
#4
#5
L2-1284
Fig. 115
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