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Alfa Romeo 155 Factory Service Manual (1992-1998)03 · Engine – mechanical (Twin Spark)
03 · Engine

Test steps

Make
Alfa Romeo
Model
155 Factory Service Manual
Year
1992–1998
Section
Oil loss › Test steps
Engine – mechanical (Twin Spark)Test steps

TEST STEPS

FOREWORD:

It is absolutely necessary to accurately identify the engine component or area causing the leak. If the cause cannot be visually identified, it is advisable to wash the engine with water, dry it, and then start it on a level surface or perform a short test cycle and wait until the leaks become evident.

Following this, act on the affected component and tackle the other components at a later date.

A1 CHECK DRAIN PLUG OK Carry out step A2
- Check drain plug for correct torque and for absence of damage OK Carry out step A2
OK Torque or replace plug if necessary
A2 CHECK OIL SUMP OK Carry out step A3
- Check: OK Carry out step A3
• the oil sump for damage, distortion or micro-cracks OK Replace sump or restore gasket if necessary. Tighten the sump screws to the correct torque
• sealing of gasket between sump and engine block
• screws securing sump for correct torque
A3 CHECK OIL FILTER OK Carry out step A4
- Check for absence of leaks in the oil filter area; check that the seal is tight OK Carry out step A4
OK Replace seal and tighten filter to the correct torque

(CONTINUED)

Parts & tools for this job For 1992 Alfa Romeo 155

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