EM2534
Z00052
Margin
Thickness
EM0181
A13367
14–112
–ENGINE MECHANICAL CYLINDER HEAD ASSY (2AZ–FE)
1636Author: Date:
2002 CAMRY REPAIR MANUAL (RM881U)
15. INSPECT EXHAUST VALVE
(a) Check the valve overall length.
(1) Using vernier calipers, measure the valve overall
length.
Standard overall length: 101.15 mm (3.9823in.)
Minimum overall length: 100.70 mm (3.9646 in.)
(b) Check the diameter of the valve stem.
(1) Using a micrometer, measure the diameter of the
valve stem.
Valve stem diameter:
5.465 – 5.480 mm (0.2152 – 0.2157 in.)
(c) Check the valve head margin thickness.
(1) Using vernier calipers, measure the valve head
margin thickness.
Standard margin thickness:
1.2 – 1.6 mm (0.047 – 0.063 in.)
Minimum margin thickness: 0.5 mm (0.020 in.)
16. INSPECT INTAKE VALVE GUIDE BUSH
(a) Using a caliper gauge, measure the inside diameter of the
guide bushing.
Bushing inside diameter:
5.510 – 5.530 mm (0.2169 – 0.2177 in.)
(b) Subtract the valve stem diameter measurement from the
guide bushing inside diameter measurement.
Standard oil clearance:
0.025 – 0.060 mm (0.00098 – 0.00236 in.)
Maximum oil clearance: 0.08 mm (0.0031 in.)
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