Workshop Manuals Factory service & repair Fiat
Fiat Croma Factory Service Manual (2005-2010)03 · Manufacturing data and tolerances
03 · General

Cylinder head/s – valves

Make
Fiat
Model
Croma Factory Service Manual
Year
2005–2010
Section
Engine unit › Cylinder head/s – valves
Manufacturing data and tolerancesCylinder head/s – valves

CYLINDER HEAD/S – VALVES

MeasurementValueValidity
Inlet valve stem diameter (mm)5.955 ÷ 5.9702.2 16V
Exhaust valve stem diameter (mm)5.945 ÷ 5.9602.2 16V
Inlet valve head diameter (mm)34.95 ÷ 35.252.2 16V
Exhaust valve head diameter (mm)29.95 ÷ 30.252.2 16V
Exhaust/inlet valve stem diameter (mm)7.974 ÷ 7.9921.9 JTD 8V
Cylinder head plane valve recess (mm)0.1 ÷ 0.51.9 JTD 8V
Inlet valve clearance in closed position (mm)0.25 ÷ 0.351.9 JTD 8V
Exhaust valve clearance in closed position (mm)0.30 ÷ 0.401.9 JTD 8V
Inlet valve clearance in closed position (mm)0.21 ÷ 0.291.8
Exhaust valve clearance in closed position (mm)0.27 ÷ 0.351.8
Inlet valve stem diameter (mm)5.982 ÷ 6.0001.9 JTD 16V
Exhaust valve stem diameter (mm)5.972 ÷ 5.9901.9 JTD 16V
Inlet valve stem diameter (mm)5.982 ÷ 6.0002.4 JTD 20V
Exhaust valve stem diameter (mm)5.972 ÷ 5.9902.4 JTD 20V
Inlet valve seat width (mm)1.0 ÷ 1.41.8
Exhaust valve seat width (mm)1.8
Valve seat angle90° 30’1.8
Inlet valve head diameter (mm)30.7 ÷ 30.81.8
Exhaust valve head diameter (mm)27.1 ÷ 27.21.8
Valve head angle90° 40’1.8
Inlet valve stem diameter (mm)4.955 ÷ 4.9701.8
Exhaust valve stem diameter (mm)4.935 ÷ 4.9501.8
Valve stem diameter oversizes (mm)0.075/0.1501.8
Inlet valve stem clearance (mm)0.030 ÷ 0.0611.8
Exhaust valve stem clearance0.050 ÷ 0.0811.8

Parts & tools for this job For 2005 Fiat Croma

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