Inspect Valve Springs - Toyota 1KZ-TE Repair Manual

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Deviation
ENGINE MECHANICAL
60˚
45˚
IN 1.5 -- 1.9 mm
EX 1.8 -- 2.2 mm
Z09354
(d)
(e)
P11634
12.
(a)
If the 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
- - CYLINDER HEAD
(2) If the seating is too low on the valve face, use 60˚
and 45˚ cutters to correct the seat.
Hand--lap the valve and valve seat with an abrasive com-
pound.
After hand--lapping, clean the valve and valve seat.

INSPECT VALVE SPRINGS

Using a steel square, measure the deviation of the valve
spring.
Maximum deviation: 2.0 mm (0.079 in.)
Using a vernier caliper, measure the free length of the
valve spring.
Free length: 48.54 mm (1.9110 in.)
Using a spring tester, measure the tension of the valve
spring at the specified installed length.
Installed tension:
301 - - 332 N (30.7 - - 33.9 kgf, 67.7 - - 74.7 lbf)
at 37.0 mm (1.457 in.)
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EM- -55
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