Suzuki 2000 Grand Vitara SQ625 Service Manual page 301

1. Gaging plastic
1. Rod bearing cap
2. Arrow mark
3. Crankshaft pulley side
Crank Pin and Connecting Rod Bearings
D Inspect crank pin for uneven wear or damage. Measure crank pin
for out-of-round or taper with a micrometer. If crank pin is
damaged, or out-of-round or taper is out of limit, replace
crankshaft or regrind crank pin referring to following step 6).
Connecting rod
bearing size
Standard
0.25 mm undersize
Out-of-round and taper limit: 0.01 mm (0.0004 in.)
D Rod bearing:
Inspect bearing shells for signs of fusion, pitting, burn or flaking
and observe contact pattern. Bearing shells found in defective
condition must be replaced.
Two kinds of rod bearing are available; standard size bearing and
0.25 mm undersize bearing. To distinguish them, 0. 25 mm under-
size bearing has the stamped number (US025) on its backside as
indicated in figure, but standard size one has no number.
D Rod bearing clearance:
1) Before checking bearing clearance, clean bearing and crank
pin.
2) Install bearing in connecting rod and bearing cap.
3) Place a piece of gaging plastic to full width of crankpin as con-
tacted by bearing (parallel to crankshaft), avoiding oil hole.
4) Install rod bearing cap to connecting rod.
When installing cap, be sure to point arrow mark on cap to
crankshaft pulley side, as shown in figure. After applying en-
gine oil to rod bolts, tighten cap nuts to specified torque. DO
NOT turn crankshaft with gaging plastic installed.
Tightening Torque
.
(a): 35 N m (3.5 kg-m, 25.5 lb-ft)
ENGINE MECHANICAL (G16 ENGINE) 6A1-59
Crank pin diameter
43.982 – 44.000 mm
(1.7316 – 1.7322 in.)
43.732 – 43.750 mm
(1.7218 – 1.7224 in.)