Toyota 3VZ–FE Troubleshooting Manual page 67

ENGINE TROUBLESHOOTING
(b) Using a vernier caliper, measure the free length of the valve
spring.
Free length:
If the free length is not as specified, replace the valve spring.
(c) Using a spring tester, measure the tension of the valve spring
at the specified installed length.
Installed tension:
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 circuit runout is greater than maximum, replace the
camshaft.
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 less than minimum, replace the cam-
shaft.
– ENGINE MECHANICAL
41.4 mm (1.630 in.)
186–206 N (19.0–21.0 kgf, 38.4–42.4 lbf) at 33.3 mm
(1.311 in.)
0.06 mm (0.0024 in.)
42.160–42.260 mm (1.6598–1.6638 in.)
41.960–42.060 mm (1.6520–1.6559 in.)
42.01 mm (1.6539 in.)
41.81 mm (1.6461 in.)
EG–67