Piston pin

Make

Fiat

Model

Seicento Factory Service Manual

Year

1998–2010

Section

Operative data › Piston pin

00 General information and technical dataPiston pin

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Piston pin

Outer diameter (mm)	Validity
19.974 - 19.978	899
17.970 - 17.974	1108

Piston pin - pin sear clearance (mm)

0.008 - 0.017	899
0.008 - 0.016	1108

Gas rings

Gas ring slots (mm)

First slot	Second slot	Third slot	Validity
1.535 - 1.555	1.535 - 1.555	3.010 - 3.030	899
1.230 - 1.250	1.210 - 1.230	2.510 - 2.530	1108

Gas ring thickness (mm)

First ring	Second ring	Third ring	Validity
1.478 - 1.490	1.475 - 1.490	2.978 - 3.990	899
1.175 - 1.190	1.175 - 1.190	2.475 - 2.490	1108

Gas ring oversizing

0.4

899

1108

Gas ring axial play (mm)

First ring	Second ring	Oil scraper ring	Validity
0.045 - 0.077	0.045 - 0.080	0.020 - 0.052	899
0.040 - 0.080	0.020 - 0.055	0.020 - 0.055	1108

Gas ring gap (mm)

First ring	Second ring	Oil scraper ring	Validity
0.25 - 0.45	0.20 - 0.40	0.20 - 0.45	899
0.25 - 0.45	0.25 - 0.45	0.20 - 0.45	1108

Connecting rods

Connecting rod big end diameter(mm)	Validity
43.657 - 43.673	899
41.128 - 41.138	1108

Connecting rod small end diameter (mm)	Validity
19.940 - 19.960	899
17.939 - 17.956	1108

Piston pin - connecting rod small end interference (mm)

0.014 - 0.038	899
0.014 - 0.035	1108

Weight differences between connecting rods (g)	Validity
±3	899
±3	1108

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01 General