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

Refitting the cylinder head

Make
Alfa Romeo
Model
155 Factory Service Manual
Year
1992–1998
Section
Refitting the cylinder head › Refitting the cylinder head
Engine – mechanical (Twin Spark)Refitting the cylinder head · page 1 of 2

In the same way, refit the pistons and rods of the second and third cylinder.

  1. Before locking the bolts of the rod caps, use a thickness gauge to check that the axial play between crankshaft shoulder and rod-cap profile are within the prescribed limits.
Axial play between crankshaft shoulder and rod-cap profile
0.2 to 0.3 mm
  1. Tighten the lubricated rod cap bolts to the correct torque.
Illustration showing hand tightening a bolt on an engine block with torque specifications

49 ÷ 54 Nm
5 ÷ 5.5 kgm

REFITTING THE CYLINDER HEAD

  1. Position the timing chain.
  • Rotate the crankshaft until the piston of the first and fourth cylinders is at T.D.C.
  1. Position the cylinder head gaset.
Illustration showing a cylinder head being positioned over an engine block with valves and timing chain visible

Parts & tools for this job For 1992 Alfa Romeo 155

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