Toyota T100 1996 Service Manual page 872

EM−44
Deviation
1996 TOYOTA T100 (RM449U)
ENGINE MECHANICAL (5VZ−FE)
13.
(a)
If deviation is greater than maximum, replace the valve spring.
EM0988
(b)
If the free length is not as specified, replace the valve spring.
EM0801
(c)
If the installed tension is not as specified, replace the valve
spring.
EM0281
14.
(a)
(b)
If the circle runout is greater than maximum, replace the cam-
shaft.
EM1628
15.
Using a micrometer, measure the cam lobe height.
Standard
Minimum
If the cam lobe height is greater than maximum, replace the
camshaft.
EM2011
− CYLINDER HEAD
INSPECT VALVE SPRINGS
Using a steel square, measure the squareness of the
valve spring.
Maximum deviation:
2.0 mm (0.079 in.)
Using vernier calipers, measure the free length of the
valve spring.
Free length:
44.78 mm (1.7630 in.)
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 33.3 mm (1.311 in.)
INSPECT CAMSHAFT FOR RUNOUT
Place the camshaft on V−blocks.
Using a dial indicator, measure the circle runout at the
center journal.
Maximum circle runout:
0.06 mm (0.0024 in.)
INSPECT CAM LOBES
Cam lobe height:
Intake 42.31 − 42.41 mm (1.6657 − 1.6697 in.)
Exhaust 41.96 − 42.06 mm (1.6520 − 1.6559 in.)
Intake
Exhaust
42.16 mm (1.6598 in.)
41.81 mm (1.6461 in.)