INSTALLATION
CAUTION: The camshafts are sensitive to fractur-
ing. Ensure they are installed free of stress. Oil
bucket tappets and camshaft bearing points.
Inspect ease of operation of bucket tappets.
CAUTION: Pay attention to assignment of cam-
shafts. Camshaft code numbers are visible on the
thrust collar of the axial bearing. Install camshafts
so that the two holes in camshaft sprockets are
positioned opposite and the markings of the cam-
shaft and camshaft bearing cap are aligned.
(1) In st all inlet and exha ust camshafts.
NOTE: Tappets are Only serviced when replacing
the camshaft housing. Inspect tappet clearence
(Refer to 9 - ENGINE/CYLINDER HEAD/CAM-
SHAFT(S) - STANDARD PROCEDURE).
(2) Align inlet and exha ust ca mshaft s at axial
bearing (Refer to 9 - ENGINE /CYLINDER HEAD/
CAMSHAFT(S) - STANDARD PROCEDURE).
NOTE: Pay attention to markings on camshaft bear-
ing caps.
CAUTION: Do not rotate engine counter clockwise.
(3) Position the piston of cylinder #1 to ignition
TDC.
NOTE: Pay attention to markings on camshaft bear-
ing caps and follow the tightening procedure below.
(4) In st all the #2 a nd #5 Exh aust cam bearing
caps (Fig. 23).
(5) In st all th e #2 an d #5 Intake cam bearing caps
(Fig. 23).
(6) Tighten each of th e #2 a nd #5 Int ake and
Exhaust bear ing cap bolts even ly t o 9N·m (80 lbs.
in.) in steps each of 1 revolut ion (Fig. 23).
(7) In st all the remaining Intake and E xha ust cam
bearing caps a nd tighten them even ly t o 9N·m (80
lbs. in.) in st eps each of 1 r evolution (Fig. 24).
Fig. 22 CAMSHAFTS AND HOUSING ASSEMBLY
1 - CYLINDER HEAD BOLTS
2 - EXHAUST CAMSHAFT
3 - INTAKE CAMSHAFT
4 - CAMSHAFT HOUSING
5 - CYLINDER HEAD
Fig. 23 CAMSHAFT BEARING TIGHTENING
SEQUENCE #1
9 - 32 ENGINE VA
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