Engine lubrication system - check supply pressure
- Make
- Alfa Romeo
- Model
- 159 Factory Service Manual
- Year
- 2005–2011
- Section
- Various checks › Engine lubrication system - check supply pressure
ENGINE LUBRICATION SYSTEM - CHECK SUPPLY PRESSURE
- Let the engine warm up (engine oil temperature approx. 100°C).
Op. 1084A42 ENGINE OIL PRESSURE WARNING LIGHT SWITCH - R + R
1. Fit the fitting in the engine oil pressure warning light switch seat.
| Tool | Description | Function | Validity |
|---|---|---|---|
| 1860969000 | Raccordo | Verifica pressione impianto lubrificazione motore |
2. Connect a pressure gauge to the connector.
- Start up the engine only for long enough to check that the engine oil pressure is within the recommended values.
| Measurement | Value | Validity |
|---|---|---|
| Engine oil supply pressure (idle speed) | 1.0 bar | 1.9 JTD 8V 1.9 JTD 16V |
| Measurement | Value | Validity |
|---|---|---|
| Engine oil supply pressure (4000 rpm) | 4.0 - 4.5 bar | 1.9 JTD 8V 1.9 JTD 16V |
- Remove the pressure gauge.
- Remove the fitting.
| Tool | Description | Function | Validity |
|---|---|---|---|
| 1860969000 | Raccordo | Verifica pressione impianto lubrificazione motore |
Op. 1084A42 ENGINE OIL PRESSURE WARNING LIGHT SWITCH - R + R
- Let the engine warm up (engine oil temperature approx. 100°C).
Op. 1084A42 ENGINE OIL PRESSURE WARNING LIGHT SWITCH - R + R
- Fit the fitting in the engine oil pressure warning light switch seat.
| Tool | Description | Function | Validity |
|---|---|---|---|
| 1.860.969.000 | Raccordo | Verifica pressione impianto lubrificazione motore |
- Connect a pressure gauge to the fitting.
- Start up the engine only for long enough to check that the engine oil pressure is within the recommended values.
| Measurement | Value | Validity |
|---|---|---|
| Engine oil supply pressure (idle speed) | 1.5 bar | 1.9 JTS 2.2 JTS |
| Measurement | Value | Validity |
|---|---|---|
| Engine oil supply pressure (4000 rpm) | 5.0 bar | 1.9 JTS 2.2 JTS |
- Remove the pressure gauge.
- Remove the fitting.
| Tool | Description | Function | Validity |
|---|---|---|---|
| 1.860.969.000 | Raccordo | Verifica pressione impianto lubrificazione motore |
Op. 1084A42 ENGINE OIL PRESSURE WARNING LIGHT SWITCH - R + R
- Let the engine warm up (engine oil temperature approx. 100°C).
Op. 1084A42 ENGINE OIL PRESSURE WARNING LIGHT SWITCH - R + R
1. Fit the fitting in the engine oil pressure warning light switch seat.
| Tool | Description | Function | Validity |
|---|---|---|---|
| 1860969000 | Raccordo | Verifica pressione impianto lubrificazione motore |
2. Attach a pressure gauge to the connector.
- Start up the engine only for long enough to check that the engine oil pressure is within the recommended values.
| Measurement | Value | Validity |
|---|---|---|
| Engine oil supply pressure (idle speed) | 1.0 bar | 1.9 JTD 8V 1.9 JTD 16V |
| Measurement | Value | Validity |
|---|---|---|
| Engine oil supply pressure (idle speed) | 1.0 bar | 2.4 JTD 20V |
| Measurement | Value | Validity |
|---|---|---|
| Engine oil supply pressure (4000 rpm) | 4.0 - 4.5 bar | 1.9 JTD 8V 1.9 JTD 16V |
| Measurement | Value | Validity |
|---|---|---|
| Engine oil supply pressure (4000 rpm) | 4.0 - 4.5 bar | 2.4 JTD 20V |
- Remove the pressure gauge.
- Remove the fitting.
| Tool | Description | Function | Validity |
|---|---|---|---|
| 1860969000 | Raccordo | Verifica pressione impianto lubrificazione motore |
Op. 1084A42 ENGINE OIL PRESSURE WARNING LIGHT SWITCH - R + R
Removing
- Let the engine warm up.
1. Remove the plug (1a) and fit the tool (1b).
| Tool | Description | Function | Validity |
|---|---|---|---|
| 1870791000 | Connector | Oil pressure check | 1.8 |
2. Connect the transducer (2a) and the EX 01 cable (2b) to the tool fitted previously.
| Tool | Description | Function | Validity |
|---|---|---|---|
| 1806338000 | Examiner transducers kit 2 | System pressure check |
| Tool | Description | Function | Validity |
|---|---|---|---|
| 1806337000 | Examiner transducers kit 1 | System pressure check |
- Connect the EX 01 cable to the Examiner using the SAM card.
- Select "instrument" on the Examiner and carry out the "ENGINE LUBRICATION SYSTEM PRESSURE TEST".
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