Toyota 3VZ–FE Troubleshooting Manual page 56

EG–56
ENGINE TROUBLESHOOTING
A.
(a) Align the timing marks (two pointed marks) of the camshaft
(b) Secure the exhaust camshaft sub–gear to the driven gear
(c) Uniformly loosen and remove the eight bearing cap bolts in
(d) Remove the four bearing caps and exhaust camshaft.
B.
(a) Uniformly loosen and remove the ten bearing cap bolts in
(b) Remove the five bearing caps, oil seal and intake camshaft.
C.
(a) Align the timing marks (one pointed mark) of the camshaft
– ENGINE MECHANICAL
Remove exhaust camshaft of RH cylinder head
drive and driven gears by turning the camshaft with a wrench.
with a service bolt.
Recommended service bolt:
Thread diameter 6 mm
Thread pitch 1.0 mm
Bolt length 16–20 mm
HINT: When removing the camshaft, mark certain that the tor-
sional spring force of the sub–gear has been eliminated by
the above operation.
several passes, in the sequence shown.
Remove intake camshaft of RH cylinder head
several passes, in the sequence shown.
Remove exhaust camshaft of LH cylinder head
drive and driven gears by turning the camshaft with a wrench.