Crank Pin And Connecting Rod Bearings Inspection - Suzuki 2006 SX4 Service Manual

Connecting rod bolt deformation (Plastic
deformation tightening bolt)
Measure each thread diameter of connecting rod bolt (2)
at "A" on 32 mm (1.25 in.) from bolt mounting surface
and "B" on 40 mm (1.57 in.) from bolt mounting surface
by using a micrometer (3).
Calculate difference in diameters ("A" – "B"). If it is
exceeds limit, replace connected rod (1).
Connecting rod bolt measurement points
"a": 32 mm (1.25 in.)
"b": 40 mm (1.57 in.)
Connecting rod bolt diameter difference
Limit ("A" – "B"): 0.1 mm (0.004 in.)
Crank Pin and Connecting Rod Bearings
Inspection
Crank Pin Diameter
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 to undersize
and use undersize bearing.
Crank pin diameter
Connecting rod bearing
0.25 mm (0.0098 in.)
undersize
Out-of-round
A – B
Taper
a – b
Crank pin taper and out-of-round
Limit: 0.01 mm (0.0004 in.)
I2RH0B140119-01
Engine Mechanical:
Crank pin diameter
size
41.982 – 42.000 mm
Standard
(1.6528 – 1.6535 in.)
41.732 – 41.750 mm
(1.6430 – 1.6437 in.)
1D-55
S6RW0D1406036
I2RH0B140120-01