Subaru 2002 IMPREZA Service Manual page 1105

(5) Remove the bearing caps.
(6) Measure the widest point of 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.
Standard:
0.037 — 0.072 mm (0.0015 — 0.0028 in)
Limit:
0.10 mm (0.0039 in)
(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:
46.25 — 46.35 mm (1.821 — 1.825 in)
Exhaust:
46.15 — 46.25 mm (1.817 — 1.821 in)
Limit:
Intake:
46.15 mm (1.817 in)
Exhaust:
46.05 mm (1.813 in)
Cam base circle diameter A:
37.0 mm (1.457 in)
CAMSHAFT
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:
Limit:
0.1 mm (0.004 in)
B2M1216
B2M1209A
ME(TURBO)-63
0.015 — 0.070 mm (0.0006 — 0.0028 in)
MECHANICAL
B2M1217