Inspect Cylinder Head Set Bolt - Toyota 2GR-FE Manual

Do Not
Remove
Do Not Remove
Flange Bolt
Measuring Point 103 mm (4.06 in.)
2GR-FE ENGINE MECHANICAL – ENGINE UNIT
(h) Check for smooth rotation.
(i)
(j)
Straight Pin
A095162E02
6.

INSPECT CYLINDER HEAD SET BOLT

(a) Using vernier calipers, measure the minimum
A122880E03
(1) Turn the camshaft timing exhaust gear within
its movable range (18.5°) 2 or 3 times, but do
not turn it to the most advanced position. Make
sure that the gear turns smoothly.
NOTICE:
When the air pressure is released from the
advance side path and then from the retard
side path, the gear automatically returns to
the most advanced position due to the
advance assist spring operation and locks.
Gradually release the air pressure from the
retard side path before performing the
smooth rotation check.
Check the lock at the most advanced position.
(1) Make sure that the camshaft timing exhaust
gear is locked at the most advanced position.
Remove the flange bolt and camshaft timing
exhaust gear.
NOTICE:
• Be sure not to remove the other 4 bolts.
• If planning to reuse the gear, be sure to
release the straight pin lock before installing
the gear.
diameter of the elongated thread at the measuring
point.
Standard outside diameter:
10.85 to 11.00 mm (0.4272 to 0.4331 in.)
Minimum outside diameter:
10.70 mm (0.4213 in.)
Measuring Point:
103 mm (4.06 in.)
HINT:
If a visual check reveals no excessively thin areas,
check the center of the bolt and find the area that
has the lowest diameter.
If the diameter is less than the minimum, replace the
cylinder head bolt.
EM–93
EM