Workshop Manuals Factory service & repair Alfa Romeo
Alfa Romeo 155 Factory Service Manual (1992-1998)03 · Engine – mechanical (Twin Spark)
03 · Engine

Cylinder liners

Make
Alfa Romeo
Model
155 Factory Service Manual
Year
1992–1998
Section
Cleaning lubrication channels › Cylinder liners
Engine – mechanical (Twin Spark)Cylinder liners
  1. Unscrew the cylindrical caps closing the ends of the lubrication channels.
Illustration showing a cylindrical cap being unscrewed from an engine crankshaft, with a label 'LOCTITE' pointing to the cap.
  • Thoroughly clean the lubrication channels using warm diesel oil and blow-off.
  • Close the holes of the lubrication channels with new caps.

CYLINDER LINERS

  • The cylinder liners are selected according to their inner diameter and are divided into three categories - A, B and C. These categories are identified by BLUE, PINK and GREEN dots located on the outer surface.
  1. Check that the inner diameter, taper and ovalization of the cylinder liners are within the prescribed limits.
Diameter of cylinder liners (d)
Class A (Blue) 83.965 to 83.994 mm (1)
83.385 to 83.394 mm (2)
Class B (Pink) 83.995 to 84.004 mm (1)
83.395 to 83.404 mm (2)
Class C (Green) 84.005 to 84.014 mm (1)
83.405 to 83.414 mm (2)

(1) For AR67102 and AR67202 engines.

(2) For engine AR67103

Illustration of a triangular symbol indicating maximum taper measurement.
Maximum taper (M - N)
0.01 mm
Illustration of a circular symbol indicating maximum ovalization measurement.
Maximum ovalization (X - Y)
0.01 mm
Illustration of a dial indicator measuring the inner diameter of a cylinder liner.
Diagram showing dimensional control areas on a cylinder liner, with labeled points M, N, X, Y, and dimensions d, H, 10, 26.

H = area for dimensional control

Parts & tools for this job For 1992 Alfa Romeo 155

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.