Suzuki Grand Vitara XL-7 Service Manual page 250

6A3-52 ENGINE MECHANICAL (RHZ ENGINE)
Main Bearings
General information
D Upper half of bearing (1) has oil groove (2) as shown in figure.
Install this half with oil groove to cylinder block.
D On each main bearing cap, number is embossed as shown in fig-
ure.
When installing each bearing cap to cylinder block, point bearing
lock tab toward oil filter side (1) and install each cap from that side
to crankshaft pulley side in ascending order of numbers "1F",
"2F", "3F", "4F" and "5F". Tighten cap bolts to specified torque.
Inspection
Check bearings for pitting, scratches, wear or damage.
If any malcondition is found, replace both upper and lower halves.
Never replace one half without replacing the other half.
Rear Oil Seal
Carefully inspect oil seal for wear or damage. If its lip is worn or
damaged, replace it.