Suzuki SX4 Service Manual page 336

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1D-54 Engine Mechanical:
Connecting Rod
Big-end side clearance
Check big-end of connecting rod for side clearance, with
rod fitted and connected to its crank pin in the normal
manner. If measured clearance is found to exceed its
limit, replace connecting rod.
Big-end side clearance
Standard: 0.25 – 0.40 mm (0.0098 – 0.0157 in.)
Limit: 0.55 mm (0.0217 in.)
Connecting rod alignment
Mount connecting rod on aligner to check it for bow and
twist. If measured value exceeds the limit, replace it.
Connecting rod alignment
Limit on bow: 0.05 mm (0.0020 in.)
Limit on twist: 0.10 mm (0.0039 in.)
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.)
I2RH0B140148-01
I4RH01140053-01
I2RH0B140119-01

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