Mitsubishi 4g63, Service Manual

Page: 21 / 68

TIMING BELT
ENGINE OVERHAUL <4G63-Turbo>
11D-21
>>G<< COUNTERBALANCER SHAFT
SPROCKET INSTALLATION
1. Use the special tool Sprocket stopper
(MD998785) as shown in the drawing to prevent
the counterbalancer shaft sprocket from rotating.
2. Tighten the sprocket mounting bolt to 45 ± 3 N ⋅ m.
>>H<< TIMING BELT "B" INSTALLATION
1. Align the timing marks on the crankshaft sprocket
"B" and counterbalancer shaft sprocket with the
corresponding timing marks on the oil pump case.
2. Install the timing belt "B" on the crankshaft
sprocket "B" and counterbalancer shaft sprocket.
There should be no slack in the tension section of
the belt.
3. Make sure that the tensioner "B" center is
positioned as shown in the drawing relative to the
mounting bolt center.
4. Lift the tensioner "B" with fingers to move it in the
direction of the arrow until the tension section of
the timing belt becomes taut. While keeping the
tensioner "B" in this position, tighten its bolt.
NOTE: When the bolt is tightened, prevent the
tensioner "B" shaft from turning. If the shaft turns,
the belt will be overtightened.
5. Make sure that the timing marks on the oil pump
case and those of the sprockets are all aligned
with each other.
6. Push a central point of the timing belt "B" tension
section lightly with an index to see if it deflects 5
−
7 mm.
AK300138
MD998785
AD
AK305991
Timing
marks
Timing
marks
AC
AK305992
Tensioner "B"
centre
Tensioner "B"
Tension section of belt
Mounting bolt centre
AC
Timing
belt "B"
AK304436AB
AK305993
5 – 7 mm
AC