Mitsubishi 3000GT Service Manual page 99

l
: Awrox. 35" ZO,NO,Og
Rocker cover side
Exhaust valve
side
ENGINE - Timing Belt
3) Insert a wire [I.4 mm (.055 in.) in diameter] into the
4) Unclamp the auto tensioner from the vise.'
(2) Install the auto tensioner.
Caution
Leave the wire installed in the auto tensioner.
(1) Align the timing marks on the respective sprockets. In
case of the camshaft sprockets in the front bank, proceed
as follows:
2) Make sure that the timing marks on the camshaft
Front bank
3) Turn the camshaft sprocket for either the intake or
Front bank
4) Turn the camshaft sprocket clockwise to align the
Caution
Push in the rod slowly to prevent the push rod
from being damaged.
set holes.
on the crankshaft sprocket by three teeth to lower
the piston in No. 1 cylinder slightly from the top dead
center on compression stroke.
Caution
Turning the camshaft sprocket with the piston
in No. 1 cylinder located at TDC on compression
stroke may cause the valves to interfere with the
piston.
sprockets for intake and exhaust valves are not within
the range A in the illustration at left. If the timing
mark is within range A, turn the camshaft sprocket
to move the timing mark to the area closest to the
range A.
Caution
In range A, the cam lobe on the camshaft lifts
the valve through the rocker arm and the camshaft
sprocket is apt to rotate by reaction force of the
valve spring. Therefore, be careful not to have
the finger pinched between the sprockets.
exhaust valve to locate the timing mark as shown
in the illustration at left. Then turn the other crankshaft
to locate the timing mark as shown in the illustration
at left.
Caution
If the intake and exhaust valves of the same
cylinder lift simultaneously, interference with each
other may result. Therefore, turn the intake valve
camshaft sprocket and the exhaust valve
camshaft alternately.
timing marks. If the camshaft sprocket has been turned
excessively, turn it counterclockwise to align the timing
marks.