Rods

Make

Alfa Romeo

Model

155 Factory Service Manual

Year

1992–1998

Section

Replacing the engine flywheel ring gear › Rods

Engine – mechanical (Twin Spark)Rods

1. Insert the rings in the control ring or in the cylinder liner and check that gap "L" is within the prescribed limits.

	Gap "L"
First ring	0.30 to 0.50 mm
Second ring	0.30 to 0.50 mm
Oil scraper ring	Borgo 0.25 to 0.40 mm
	Gcetze 0.25 to 0.50 mm

RODS

1. Check that the diameter of the bushing of the rod small end is within the prescribed limits.

	Diameter of the rod small end bushing hole
	22.005 to 22.015 mm

1. Check that the axial play between the piston rings and oil scraper ring with their relative seatings on the piston is within the prescribed limits.

	Axial play between oil rings and seating
First ring	0.035 to 0.067 mm
Second ring	Borgo 0.035 to 0.067 mm
	Goetze 0.035 to 0.070 mm
Oil scraper ring	Borgo 0.025 to 0.057 mm
	Goetze 0.025 to 0.060 mm

03 Engine