Pistons and connecting rods – pistons
- Make
- Fiat
- Model
- Croma Factory Service Manual
- Year
- 2005–2010
- Section
- Engine unit › Pistons and connecting rods – pistons
Manufacturing data and tolerancesPistons and connecting rods – pistons
PISTONS AND CONNECTING RODS – PISTONS
| Measurement | Value | Validity |
|---|---|---|
| Piston outer diameter (mm) | 85.967 ÷ 85.982 | 2.2 16V |
| Clearance between piston - cylinder liner/bore (mm) | 0.025 ÷ 0.026 | 2.2 16V |
| Piston outer diameter -grade A (mm) | 81.920 ÷ 81.930 | 1.9 JTD 8V |
| Piston outer diameter - grade B (mm) | 81.930 ÷ 81.940 | 1.9 JTD 8V |
| Piston outer diameter - grade C (mm) | 81.940 ÷ 81.950 | 1.9 JTD 8V |
| Gudgeon pin housing diameter in piston (mm) | 25.999 ÷ 26.004 | 1.9 JTD 8V |
| Permitted weight difference between pistons (g) | ± 5 | 1.9 JTD 8V |
| Piston outer diameter -grade A (mm) | 81.920 ÷ 81.930 | 1.9 JTD 16V |
| Piston outer diameter - grade B (mm) | 81.930 ÷ 81.940 | 1.9 JTD 16V |
| Piston outer diameter - grade C (mm) | 81.940 ÷ 81.950 | 1.9 JTD 16V |
| Gudgeon pin housing diameter in piston (mm) | 25.999 ÷ 26.004 | 1.9 JTD 16V |
| Permitted weight difference between pistons (g) | ± 5 | 1.9 JTD 16V |
| Piston outer diameter -grade A (mm) | 81.920 ÷ 81.930 | 2.4 JTD 20V |
| Piston outer diameter - grade B (mm) | 81.930 ÷ 81.940 | 2.4 JTD 20V |
| Piston outer diameter - grade C (mm) | 81.940 ÷ 81.950 | 2.4 JTD 20V |
| Gudgeon pin housing diameter in piston (mm) | 25.999 ÷ 26.004 | 2.4 JTD 20V |
| Permitted weight difference between pistons (g) | 2.4 JTD 20V | |
| Piston outer diameter - Grade 00 (mm) | 80.455 ÷ 80.465 | 1.8 |
| Piston outer diameter - Grade 05 (mm) | 80.505 ÷ 80.515 | 1.8 |
| Piston outer diameter oversize (mm) | 0.5 | 1.8 |
| Clearance between piston - cylinder liner/bore (mm) | 0.045 ÷ 0.175 | 1.8 |
Parts & tools for this job For 2005 Fiat Croma
- PARTEngine gasket setSearch: Fiat Croma 2005 engine gasket set
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLFeeler gauge setSearch: feeler gauge set
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