Subaru 2002 IMPREZA Service Manual page 169

CAMSHAFT
MECHANICAL
(5) Remove the bearing caps.
(6) Measure the widest point of the plastigauge
on each journal.
If the oil clearance exceeds the limit, replace the
camshaft. If necessary, replace the camshaft
caps and cylinder head as a set.
0.037
-
0.072 mm (0.0015
-
0.0028 in)
0.10 mm (0.0039 in)
Standard:
Limit:
(7) Completely remove the plastigauge.
5) Check the cam face condition; remove the minor
faults by grinding with oil stone. Measure the cam
height H; replace if the limit has been exceeded.
Cam height: H
Standard:
Intake:
Exha us t:
46.25
-
46.35 mm (1.821
-
1.825 in)
46.15
-
46.25 mm (1.81 7
-
1.821 in)
Limit:
Intake:
Exhaust:
46.15 mm (7.81 7 in)
46.05 mm (1.813 in)
Cam base circle diameter A:
37.0 mm (1.457 in)
I
t
B2M1209A
A
6) Measure the thrust clearance of camshaft with
dial gauge. If the clearance exceeds the limit, re-
place the caps and cylinder head as a set. If neces-
sary replace the camshaft.
Standard:
0.015
-
0.070 mm (0.0006
-
0.0028 in)
Limit:
0.1
mm
(0.004 in)
ME(D0HC TURBO)-63