Toyota 1 MZ–FE Manual page 88

EG2–88
1MZ–FE ENGINE – ENGINE MECHANICAL
(b) Using a vernier caliper, measure the free length of the
valve spring.
Free length:
45.50 mm (1.7913 in.)
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:
186 – 206 N (19.0 – 21.0 kgf, 41.9 – 46.3 lbf)
at 33.8 mm (1.331 in.)
If the installed tension is not as specified, replace the
valve spring.
10. 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:
0.06 mm (0.0024 in.)
If the circle 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
42.11 – 42.21 mm (1.6579 – 1.6618 in.)
Exhaust
41.96 – 42.06 mm (1.6520 – 1.6559 in.)
Minimum cam lobe height:
Intake
41.96 mm (1.6520 in.)
Exhaust
41.81 mm (1.6461 in.)
If the cam lobe height is less than minimum, replace
the camshaft.