Toyota 2VZ-FE Manual page 47

ENGINE MECHANICAL – Cylinder Heads
(c) Using a spring tester, measure the tension of the valve
spring at the specified installed length.
Installed tension:
18.6–21.4 kg (41.0–47.2 lb, 182–210 N)
at 33.8 mm (1.331 in.)
If the installed tension is not as specified, replace the valve
spring.
14. INSPECT CAMSHAFTS AND BEARINGS
A. Inspect camshaft for runout
(a) Place the camshaft on V–blocks.
(b) Using a dial indicator, measure the circle runout at the
center journal.
Maximum circle runout:
If the circle runout is greater than maximum, replace the cam-
shaft.
B. Inspect cam lobes
Using a micrometer, measure the cam lobe height.
Standard cam lobe height:
Intake
Exhaust
Minimum cam lobe height:
Intake
Exhaust
If the cam lobe height is greater than maximum, replace the
camshaft.
C. Inspect camshaft journals
Using a micrometer, measure the journal diameter.
Journal diameter: 26.949–26.965 mm
If the journal diameter is not as specified, check the oil
clearance.
D. Inspect camshaft bearings
Check the bearings for flaking and scoring.
If the bearings are damaged, replace the bearing caps and
cylinder head as a set.
0.06 mm (0.0024 in.)
39.510–39.610 mm
(1.5555–1.5594 in.)
38.960–39.060 mm
(1.5339–1.5378 in.)
39.36 mm (1.5496 in.)
38.81 mm (1.5279 in.)
(1.0610–1.0616 in.)
EM-45