Suzuki 2000 Grand Vitara SQ625 Service Manual page 416

6A2-92 ENGINE MECHANICAL (H25 ENGINE)
1. Thrust bearing
2. Oil groove
1. Lower crankcase
2. Bearing
5) Rebore and hone cylinder to calculated dimension.
NOTE:
Before reboring, install all main bearing caps in place and
tighten to specification to avoid distortion of bearing bores.
6) Measure piston clearance after honing.
INSTALLATION
NOTE:
D All parts to be installed must be perfectly clean.
D Be sure to oil crankshaft journals, journal bearings, thrust
bearings, crank pins, connecting rod bearings, pistons, pis-
ton rings and cylinder bores.
D Journal bearings, crankcase (bearings caps), connecting
rods, rod bearings, rod bearing caps, pistons and piston
rings are in combination sets. Do not disturb combination
and try to see that each part goes back to where it came from,
when installing.
D Clean mating surface of cylinder block and crankcase, re-
move oil, old sealant and dust from mating surface.
1) Fit main bearings to cylinder block.
One of two halves of main bearing, has oil groove. Install this half
with oil groove to cylinder block, and another half without oil
groove to crankcase.
1. Cylinder block
2. O-ring
Make sure that two halves are painted in the same color.
3. Oil groove
4. Bearing
2) Install O-ring to cylinder block.
5. Knock pin
3) Fit thrust bearings to cylinder block between No.2 and No.3 cyl-
inders. Face oil groove sides to crank webs.
4) Put crankshaft to cylinder block.
5) Apply sealant "A" to crankcase mating surface area as shown in
figure.
"A": Sealant 99000-31150