D35 Low engine low pressure
- Make
- Alfa Romeo
- Model
- 156 Factory Service Manual
- Year
- 1997–2002
- Section
- Engine › D35 Low engine low pressure
D35 Low engine low pressure
The warning light indicate a decrease in the engine oil pressure.
| Step | Test procedure | Result | Action |
|---|---|---|---|
| 0 | PRELIMINARY CHECKS Preliminarily check:
Check that the type of oil is suitable for the engine in question | OK | |
| Engine oil level too low |
End of diagnosis | ||
| Engine coolant level |
End of diagnosis | ||
| Oil unsuitable |
End of diagnosis | ||
| 1 | ENGINE OIL TYPE AND FILTER CHECK Check that the engine oil is the recommended type in the correct quantity Check that the oil filter is the recommended type and that it is correctly fitted | OK | |
| Engine oil unsuitable |
End of diagnosis | ||
| Oil filter unsuitable or incorrectly fitted |
End of diagnosis | ||
| 2 | OIL PUMP CHECK Check the condition of the oil pump. In particular, check:
| OK | |
| Oil pump damaged or distorted Pressure relief valve damaged |
End of diagnosis | ||
| 3 | LUBRICATION SYSTEM CHECK Carry out a general check on the lubrication system Op. 0510C20 | OK | |
| Faults in the lubrication system |
End of diagnosis | ||
| 4 | MAIN/BIG END BEARINGS CHECK Overhaul the engine: in particular, check the condition of the crankshaft and big end bearings (see ENGINE OVERHAUL, Subassembly 1028) | OK | |
| Main and big end bearings faulty |
End of diagnosis | ||
| 5 | CHECK CORRECT OPERATION Check that the fault is no longer present | OK | End of diagnosis |
| Fault persists | Incorrect selection of diagnostic procedure |
Parts & tools for this job For 1997 Alfa Romeo 156
- PARTEngine gasket setSearch: Alfa Romeo 156 1997 engine gasket set
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLFeeler gauge setSearch: feeler gauge set
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