Supplementary pressure pump - dismantle
- Make
- Alfa Romeo
- Model
- 147 Factory Service Manual
- Year
- 2000–2004
- Section
- Diesel fuel injection › Supplementary pressure pump - dismantle
Supplementary pressure pump - dismantle
Dismantling
Place the pressure pump mounting in a vice fitted with protective jaws.
1. Stop the rotation of the pressure pump pulley using two bolts.
2. Undo the bolts (2a) and remove the safety flange (2b).
3. Undo the pressure pump pulley nut.
Undo the two bolts fitted previously to stop the rotation of the pressure pump pulley.
1. Remove the pressure pump pulley (1a) using the tools (1b) and (1c).
| Name | Country | |
|---|---|---|
| 1b | Extractor | 1.860.954.001 |
| Name | Country | |
|---|---|---|
| 1c | Extractor | 1.860.854.002 |
2. Undo the nuts (2a) and remove the pressure pump (2b) from its mounting (2c).
Reassembling
Fit the pressure pump to the mounting and tighten its nuts.
Fit the pressure pump pulley.
Stop the rotation of the pressure pump pulley using two bolts.
Tighten the pressure pump pulley nut to torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| Nut | PRESSURE PUMP CONTROL PULLEY | M14 | 4.2 - 5.2 |
Fit the safety flange and tighten the bolts.
Dismantling
Place the pressure pump mounting in a vice fitted with protective jaws.
1. Stop the pressure pump pulley from rotating using two bolts.
2. Undo the pressure pump pulley nut.
Undo the two bolts fitted previously to stop the rotation of the pressure pump pulley.
1. Remove the pressure pump pulley (1a) using the tool (1b).
| Name | Country | |
|---|---|---|
| 1b | Extractor | 1.860.854.001 |
1. Undo nuts (1a) and remove pressure pump (1b) from its mount.
Reassembling
1. Fit pressure pump (1a) on the mount and secure by tightening the nuts (1b) to the specified torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 1b | Nut | PRESSURE PUMP | M8 | (Support side) 2.3 ÷ 2.8 |
1. Replace the pressure pump pulley in its housing.
2. Stop the pressure pump pulley from rotating using two bolts.
3. Tighten the pressure pump pulley nut to torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 3 | Nut | PRESSURE PUMP CONTROL PULLEY | M14 | 4.5 ÷ 5.5 |
Undo the two bolts fitted previously to stop the rotation of the pressure pump pulley.
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