Suzuki Samurai 1986, Service Manual

Page: 94 / 482

Crankshaft
1) Install main bearings to cylinder block.
NOTE:
If main bearing replacement is necessary, select
such bearing as to allow proper clearance as
described on p. 3-30 and install it in place.
Between two halves of main bearing, one
side has oil groove. Install this half with oil
groove to cylinder block, and another half
without oil groove to bearing cap.
Make sure that two halves are painted with
same color.
1. Cylinder block
2. Upper half of bearing
3. Oil groove
3) Install thrust bearings to cylinder block
between No. 2 and No. 3 cylinders. Face oil
groove sides to crank webs.
2
1. Thrust bearing
2. Oi I groove
Fig. 3-6-3 Ins tatting thrust bearing
4) Install crankshaft to cylinder block.
5) Oil crankshaft journals.
6) When fitting bearing caps to journals after
setting crankshaft in place, be sure to point
arrow mark (on each cap) to crankshaft
pulley side. Fit them sequentially in ascend-
ing order, 1, 2, 3, 4 and 5, starting from
pulley side.
Fig. Installing bearing half with oil groove
Tightening torque 50 57
for main bearing 5.0 5.7 kg-m
cap bolts 36.5 41 lb-ft
2) Be sure to oil crankshaft journal bearings as
shown.
Gradual and uniform tightening is important for
bearing cap bolts. Make sure that five caps
become tight equally and uniformly specified
torque.
NOTE:
After tightening cap bolts, check to be sure that
crankshaft rotates smoothly when turned by
hand.
Fig. 3-6-2
3-36