1024 crankshaft and flywheel – crankshaft

Make

Alfa Romeo

Model

147 Factory Service Manual

Year

2000–2004

Section

10 engine › 1024 crankshaft and flywheel – crankshaft

Manufacturing data and tolerances1024 crankshaft and flywheel – crankshaft

1024 CRANKSHAFT AND FLYWHEEL – CRANKSHAFT

Big end bearing - crankpin play (mm)		Validity
0.025 ÷ 0.052		1.9 JTD 8V
Big end bearing clearance (mm)			Validity
crankshaft big end bearings
0.030 ÷ 0.056			1.6 TS
Big end bearing clearance (mm)			Validity
crankshaft big end bearings
0.036 ÷ 0.056			2.0 TS
Clearance between big end bearings-Crankpins (mm)		Validity
0.016 ÷ 0.070		1.9 JTD 16V 1.9 JTD 8V
Clearance between crankshaft bearings - main journals (mm)		Validity
0.011 ÷ 0.071		1.9 JTD 16V 1.9 JTD 8V
Clearance between crankshaft bearings - main journals (mm)		Validity
0.025 ÷ 0.052		1.9 JTD 8V
Crankpin diameter (mm)			Validity
Category B	Category C	Classe A
40.878 ÷ 40.884	40.872 ÷ 40.878	40.884 ÷ 40.890	1.6 TS
Crankpin diameter (mm)			Validity
Category B	Category C	Classe A
50.793 ÷ 50.799	50.787 ÷ 50.793	50.799 ÷ 50.805	1.9 JTD 16V 2.0 TS 1.9 JTD 8V
Crankpin diameter (mm)			Validity
Category B	Classe A
51.980 - 51.990	51.990 - 52.000		3.2 V6
Crankpin diameter (mm)			Validity
Category B	Classe A
51.980 ÷ 51.990	51.990 ÷ 52.000		3.2 V6
Crankpin diameter undersize (mm)		Validity
0.127		1.6 TS 2.0 TS
Crankpin undersize (mm)		Validity
0.127		1.9 JTD 16V 1.9 JTD 8V
Crankpin/bearing shell play (mm)		Validity
0.031 ÷ 0.051		1.6 TS 2.0 TS
Crankpin/big end bearing play (mm)		Validity
0.030 ÷ 0.056		1.6 TS 2.0 TS
Crankshaft bearing thickness (mm)			Validity
Category B	Category C	Class A
1.839 ÷ 1.843	1.842 ÷ 1.846	1.836 ÷ 1.840	2.0 TS
Crankshaft end float (mm)		Validity
0.059 ÷ 0.221		1.6 TS 2.0 TS
End float (mm)		Validity
0.080 ÷ 0.265		3.2 V6
End float (mm)		Validity
0.049 - 0.211		1.9 JTD 16V 1.9 JTD 8V
Main bearing journal diameter (mm)			Validity
Category B	Category A	Category C
59.987 ÷ 59.993	59.994 ÷ 60.000	59.982 ÷ 59.986	1.9 JTD 8V
Main bearing journal diameter (mm)			Validity
Category B	Category C	Classe A
52.988 ÷ 52.994	52.982 ÷ 52.988	52.994 ÷ 53.000	1.6 TS 2.0 TS
Main bearing journal diameter (mm)			Validity
Category B	Category C	Classe A
59.967 - 59.973	59.961 - 59.967	59.973 - 59.979	3.2 V6
Main bearing journal diameter (mm)			Validity
Category B	Category C	Classe A
59.967 ÷ 59.973	59.961 ÷ 59.967	59.973 ÷ 59.979	3.2 V6
Main bearing journal diameter (mm)			Validity
Category B	Category C	Classe A
59.988 ÷ 59.994	59.982 ÷ 59.988	59.994 ÷ 60.000	1.9 JTD 16V
Main journal clearance (mm)			Validity
crankshaft main journals
0.031 ÷ 0.051			1.6 TS 2.0 TS
Main journal diameter undersize (mm)		Validity
0.127		1.6 TS 1.9 JTD 16V 2.0 TS 1.9 JTD 8V
Main journal-bearing clearance (mm)			Validity
Category B	Category A	Category C
0.000 ÷ 0.024	0.000 ÷ 0.024	0.000 ÷ 0.025	3.2 V6
Main journals/bearing clearance (mm)			Validity
Category B	Category A
0.023 ÷ 0.063	0.020 ÷ 0.060		3.2 V6

03 General