Thrust half rings

Make

Alfa Romeo

Model

155 Factory Service Manual

Year

1992–1998

Section

Main half bearings › Thrust half rings

Engine – mechanical (V6)Thrust half rings

Unit: mm
Thickness of main half bearings (a)	A - Red	1.833 ÷ 1.839
	B - Blue	1.839 ÷ 1.845
	C - Green	1.845 ÷ 1.851
Radial play between main pin and bearing	A - Red	0.000 ÷ 0.024
	B - Blue	0.006 ÷ 0.018
	C - Green	0.000 ÷ 0.024

Thrust half rings

Unit: mm
Thickness of thrust half rings (a)	2.310 ÷ 2.360
Crankshaft axial play	0.080 ÷ 0.265

Flywheel

Unit: mm
Internal diameter of central bushing (a)	35.000 ÷ 35.025 mm
Heating temperature of ring gear for installation on engine flywheel	120 ÷ 140°C

Cylinder liner

Unit: mm
Diameter of cylinder liners (a)	A - Red	87.985 ÷ 87.994
	B - Blue	87.995 ÷ 88.004
	C - Green	88.005 ÷ 88.014
Protuberance of cylinder liners from engine block (b)	0.01 ÷ 0.06
Limit of ovalization and cylinder liner taper	0.01

(•) Dimensional control area

07 Engine