Crankshaft and flywheel – crankshaft main journals/crankpins

Make: Fiat
Model: Bravo Factory Service Manual
Year: 2007–2014
Section: Engine › Crankshaft and flywheel – crankshaft main journals/crankpins

Manufacturing data and tolerancesCrankshaft and flywheel – crankshaft main journals/crankpins

CRANKSHAFT AND FLYWHEEL – CRANKSHAFT MAIN JOURNALS/CRANKPINS

Measurement	Value	Validity
Main half-bearings - Category 1 (Red) (mm)	1.836 ÷ 1.840	1.4 16v
Main half-bearings - Category 2 (Blue) (mm)	1.843 ÷ 1.847	1.4 16v
Main half-bearings - Category 3 (Yellow) (mm)	1.848 ÷ 1.852	1.4 16v
Main bearing half undersize (mm)	0.127	1.4 16v
Clearance between main bearings - crankshaft main journals (mm)	0.025 ÷ 0.040	1.4 16v
Clearance between main bearings - crankshaft main journals (mm)	0.011 ÷ 0.071	1.9 JTD
Standard connecting rod half-bearing thickness (mm)	1.544 ÷ 1.548	1.4 16v TJet
Standard connecting rod half-bearing thickness (mm)	1.544 ÷ 1.548	1.4 16v
Oversize connecting rod half-bearing thickness 1 (mm)	1.607 ÷ 1.611	1.4 16v
Oversize connecting rod half-bearing thickness 2 (mm)	1.669 ÷ 1.675	1.4 16v
Oversize connecting rod half-bearing thickness 3 (mm)	1.796 ÷ 1.802	1.4 16v
Crankpin half-bearings - Category A (red) (mm)	1.527 ÷ 1.531	1.9 JTD 8v
Crankpin half-bearings - Category B (light blue) (mm)	1.530 ÷ 1.534	1.9 JTD 8v
Crankpin half-bearings - Category C (yellow) (mm)	1.533 ÷ 1.537	1.9 JTD 8v
Connecting rod half-bearing 1 oversize (mm)	0.127	1.4 16v TJet
Connecting rod half-bearing 2 oversize (mm)	0.254	1.4 16v TJet
Connecting rod half-bearing 3 oversize (mm)	0.508	1.4 16v TJet
Clearance between connecting rod bearings - crankpin bearings (mm)	0.030 ÷ 0.056	1.9 JTD
Clearance between connecting rod bearings - crankpin bearings (mm)	0.024 ÷ 0.060	1.4 16v TJet
Clearance between connecting rod bearings - crankpin bearings (mm)	0.024 ÷ 0.060	1.4 16v

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