Crankshaft Inspection; Main Bearings Inspection - Suzuki GRAND VITARA 2005 Service Manual

1D-61 Engine Mechanical:

Crankshaft Inspection

Thrust Bearing General Information
Service thrust bearing has 4 kinds of bearings differing in
tolerance.
Crankshaft Thrust Play
1) Install main bearings, thrust bearings, crankshaft
and bearing caps, and tighten main bearing cap
bolts referring to "Main Bearing, Crankshaft and
Cylinder Block Removal and Installation: ".
Thickness of crankshaft thrust bearing
• 2.30 mm (0.0906 in.)
• 2.35 mm (0.0925 in.)
• 2.40 mm (0.0945 in.)
• 2.45 mm (0.0965 in.)
2) Use a dial gauge, to read displacement in axial
(thrust) direction of crankshaft.
If it is out of specification, replace new thrust bearing
and recheck.
Crankshaft thrust play
0.067 – 0.233 mm (0.00264 – 0.00917 in.)

Main Bearings Inspection

S5JB0B1406038
General Information
• Upper half of bearing (1) has oil groove (2) as shown
in the figure.
Install this half with oil groove to cylinder block.
• Lower half of bearing does not have an oil groove.
Visual Inspection
Check bearings for pitting, scratches, wear or damage.
If any malcondition is found, replace both upper and
lower halves. Never replace either half without replacing
the other half.
Main Bearing Clearance
NOTE
Do not rotate crankshaft while gauging
plastic is installed.
Check clearance by using gauging plastic according to
the following procedure.
1) Remove bearing caps.
2) Clean bearings and main journals.
3) Place a piece of gauging plastic (1) the full width of
bearing (parallel to crankshaft) on journal, avoiding
oil hole.
I5JB0B140131-01
S5JB0B1406039
I2RH0B140139-01
I2RH0B140140-01