Toyota 4A-FE Repair Manual page 59

ENGINE MECHANICAL - Cylinder Head (4A-FE)
EM-75
(___)
,~
EM7048 EM7049
~~~~~~- -~~~~~~~~~
Free Distance
EM3322
D. Inspect camshaft bearings
Check the bearings for flaking and scoring.
If the bearings are damaged, replace the bearing caps and
cylinder
head as a set.
E. Inspect camshaft gear spring
Using vernier calipers, measure the free distance between
the
spring end.
Free distance: 17.1 - 17.5 mm
(0.673 - 0.689 in.)
If the free distance is not as specified, replace the gear
spring.
F. Inspect camshaft journal oil clearance
(a)
Clean the bearing
caps
and camshaft journals.
(b) Place the camshafts on the cylinder head.
(c) Lay a strip of Plastigage across each of the camshaft
journals.
(d)
Install the bearing caps.
(See step 3 on pages EM-81 to 83}
Torque: 130 kg-cm (9 ft-lb, 13 N·m)
NOTICE: Do not turn the camshaft.
(e)
Remove the bearing caps.