Water pump - r + r with drive belt removed
- Make
- Alfa Romeo
- Model
- 147 Factory Service Manual
- Year
- 2000–2004
- Section
- Engine cooling › Water pump - r + r with drive belt removed
Water pump - r + r with drive belt removed
Removing
1. Disconnect the lower coolant outlet hose from the radiator and drain the engine coolant.
Manually press the springs and remove the hose's rapid attachment.
Recover the coolant using a suitable container.
1. Undo the bolt (1a) for the inlet side driven pulley using the tools (1b) and (1c) for counter-torque.
| Name | Country | |
|---|---|---|
| 1b | Counter-torque | 1.822.156.000 |
| Name | Country | |
|---|---|---|
| 1c | Counter-torque | 1.822.146.000 |
2. Remove the inlet side driven pulley.
1. Undo the bolts (1a) and remove the water pump (1b) complete with O-Ring (1c).
Refitting
1. Place the water pump (1a), complete with O-Ring, back in its housing and secure it tightening the bolts (1b) to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 1b | Bolt | COOLANT PUMP | M8 | (Cylinder head side) 2.3 ÷ 2.8 |
Fit the inlet side driven pulley and fix it using the bolt without tightening it.
Connect the lower coolant outlet hose from the radiator.
Refill the engine cooling system with coolant - 0010T20 coolant change.
Removing
1. Disconnect the lower coolant outlet hose from the radiator and drain the engine coolant.
Manually press the springs and remove the rapid attachment for the hose.
Recover the coolant using a suitable container.
1. Undo the bolts (1a) of the inlet side drive pulley, using the tool (1b) for counter-torque.
| Name | Country | |
|---|---|---|
| 1b | Counter-torque | 1.822.155.000 |
2. Remove the inlet side driven pulley.
1. Undo the bolts (1a) and remove the water pump (1b) complete with O-Ring (1c).
Refitting
1. Place the water pump (1a), complete with O-Ring, back in its housing and secure it tightening the bolts (1b) to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 1b | Bolt | COOLANT PUMP | M8 | (Cylinder head side) 2.3 ÷ 2.8 |
Fit the inlet side driven pulley and fix it using the bolts without tightening them.
Connect the lower coolant outlet hose from the radiator.
Refill the engine cooling system with coolant - 0010T20 coolant change.
Removing
1. Disconnect the lower coolant outlet hose from the radiator and drain the engine coolant.
Manually press the springs and remove the rapid attachment for the hose.
Collect the coolant in a suitable container.
1. Undo the bolts (1a) of the inlet side drive pulley, using the tool (1b) for counter-torque.
| Name | Country | |
|---|---|---|
| 1b | Counter-torque | 1.822.155.000 |
2. Remove the inlet side driven pulley.
1. Undo the bolts (1a) and remove the water pump (1b) complete with O-Ring (1c).
Refitting
1. Place the water pump (1a), complete with O-Ring, back in its housing and secure it tightening the bolts (1b) to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 1b | Bolt | COOLANT PUMP | M8 | (Cylinder head side) 2.3 ÷ 2.8 |
Fit the inlet side driven pulley and fix it using the bolts without tightening them.
Connect the lower coolant outlet hose from the radiator.
Refill the engine cooling system with coolant - 0010T20 coolant change.
Removing
- 1032B40 toothed-driven pulley (one) - r + r with timing belt removed
1. Undo the bolts (1a) and remove the side timing belt protection (1b).
2. Disconnect the electrical connection for the cam angle sensor positioned near the engine oil dipstick.
3. Undo the fixing bolts (3a) and remove the cam angle sensor (3b).
| Name | Connector | |
|---|---|---|
| 2 | Timing sensor. | K47 |
1. Undo the fixing bolts (1a) and remove the water pump (1b) complete with O-ring underneath.
Refitting
Replace the O-ring before fitting the coolant pump.
Fit the coolant pump and tighten the bolts to torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| Bolt | COOLANT PUMP | M8 | 2.1 - 2.6 |
Fit the sensor and tighten the retaining bolt.
Tighten the sensor bolts to torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| Bolt | CAM ANGLE SENSOR | M6 | 0.9 |
Connect the electrical connection
| Name | Connector | |
|---|---|---|
| Timing sensor. | K47 |
Position the timing belt side shield and tighten the fixing bolts.
- 1032B40 toothed-driven pulley (one) - r + r with timing belt removed
Removing
Proceed with removal - 1016A10 sound-proofing cover - r + r.
Disconnect the coolant outlet hose from the radiator and drain the cooling system.
Recover the coolant using a suitable container.
1. Undo the bolts (1a) and remove the water pump (1b) complete with gasket.
Refitting
1. Place the water pump (1a), complete with gasket, back in its housing and secure it tightening the bolts (1b) to the recommended torque.
| Fastening | Component | Ø | Value (daNm) | |
|---|---|---|---|---|
| 1b | Bolt | COOLANT PUMP | M8 | (Cylinder head side) 2.3 ÷ 2.8 |
Refill the engine cooling system with coolant - 0010T20 coolant change.
.Proceed with refitting - 1016A10 sound-proofing cover - r + r.
Parts & tools for this job For 2000 Alfa Romeo 147
- FLUIDCoolantSearch: Alfa Romeo coolant antifreeze
- PARTThermostatSearch: Alfa Romeo 147 2000 thermostat
- TOOLCooling system pressure testerSearch: cooling system pressure tester
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