Main half-bearings

Make

Alfa Romeo

Model

GTV / Spider GTV and Spider (916) Factory Service Manual

Year

1995–2000

Section

Technical Features › Main half-bearings

Variants – 3.0 V6 24VMain half-bearings

Main half-bearings

Unit: mm

Main half-bearing thickness "a"	Class A - Red	1.833 ÷ 1.839
	Class B - Blue	1.839 ÷ 1.845
	Class C - Green	1.845 ÷ 1.851
Main half-bearing and bearing Operating play		0.000 ÷ 0.024

Thrust half-rings

Unit: mm

Thrust half-ring thickness "a"	2.310 ÷ 2.360
Crankshaft axial play	0.080 ÷ 0.265

Flywheel

Unit: mm

Central bush internal diameter (bore) "a"	35.000 ÷ 35.025
Crown wheel heating temperature for fitting on flywheel	120° ÷ 140°C

Cylinder liner

(•) Dimensional check area

Unit: mm

Cylinder liner diameter "a"	Class A - Blue	92.985 ÷ 92.994
	Class B - Pink	92.995 ÷ 93.004
	Class C - Green	93.005 ÷ 93.014
Cylinder liner projection from crankcase "b"		0.01 ÷ 0.06
Cylinder liner ovality/taper limit		0.01

Oil pump

Unit: mm

Play "Ga" between gear edge and pump casing	0.025 ÷ 0.075
Play "Gb" between upper gear side and pump cover	0.013 ÷ 0.062

12 General