Removal of the cylinder heads
- Make
- Alfa Romeo
- Model
- 155 Factory Service Manual
- Year
- 1992–1998
- Section
- "on vehicle" operations › Removal of the cylinder heads
The preceding chapter included and illustrated the complete engine bench overhaul.
However some of these operations can be carried out on the vehicle, without necessitating the removal of the engine from the vehicle.
Among the most common operations which can be performed with out removing the engine are the removal and refitting of the cylinder heads and the removal and refitting of the oil sump. These can be carried out by following the indications given below.
NOTE: Refer to GROUP 00 for details of the most frequent maintenance operations which can be carried out with the engine installed on the vehicle.
REMOVAL OF THE CYLINDER HEADS
- Place the vehicle on a two pillar auto lift.
- Disconnect the negative (-) and then the positive (+) cables from the battery and then remove the battery from the vehicle.
- Disconnect the air flow meter electrical connections.
- Disconnect the oil vapour recirculation pipe from the oil vapour filter.
- Disconnect the air intake tube to the air intake box from the constant idle speed actuator.
- Loosen the clamps and separate the corrugated sleeve from the air intake box.
- Remove the air cleaner cover, air flow meter and corrugated sleeve assembly.
- If necessary remove the filter element.
Parts & tools for this job For 1992 Alfa Romeo 155
- PARTEngine gasket setSearch: Alfa Romeo 155 1992 engine gasket set
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLFeeler gauge setSearch: feeler gauge set
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