Page text (OCR transcript)
EM-39
ENGINE MECHANICAL (2JZ-GTE) - CYLINDER HEAD
75°
45°
Width
EM0186 Z02456
• If the seating is too low on the valve face, use 75° and 45° cutters to correct the seat.
P02126
(d) Hand-lap the valve and valve seat with an abrasive compound.
(e) After hand-lapping, clean the valve and valve seat.
Deviation
EM0988 Z02457
12. INSPECT VALVE SPRINGS
(a) Using a steel square, measure the deviation of the valve spring.
Maximum deviation: 2.0 mm (0.079 in.)
If deviation is greater than maximum, replace the valve spring.
EM0801
(b) Using vernier calipers, measure the free length of the valve spring.
Free length: 41.70 mm (1.6417 in.)
If the free length is not as specified, replace the valve spring.
EM0281
(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, 42 - 46 lbf)
at 34.5 mm (1.358 in.)
If the installed tension is not as specified, replace the valve spring.
1997 SUPRA (RM502U)
Author : Date : 1144
