ENGINE OIL PUMP, removed - Check at the bench
- Make
- Lancia
- Model
- Thesis Factory Service Manual
- Year
- 2002–2009
- Section
- Engine lubrication › ENGINE OIL PUMP, removed - Check at the bench
ENGINE OIL PUMP, removed - Check at the bench
Removing
- Position the engine oil pump in the vice fitted with protective jaws.
1. Fit the tool.
| Description | Code | Function | |
|---|---|---|---|
| 1 | Counter-torque/Template | 1.870.799.000 | Oil pump timing |
2. Undo the (left hand0 bolt (2a) and remove the oil pump drive chain assembly (2b).
- Remove the tool.
| Description | Code | Function | |
|---|---|---|---|
| Counter-torque/Template | 1.870.799.000 | Oil pump timing |
1. Undo bolts (1a) and remove the oil pump cover (1b).
2. Remove the driven gear.
3. Remove the drive gear.
4. Undo the cap (4a) and release the oil pressure relief valve (4b).
- Remove the crankshaft front oil seal
Refitting
- Check the oil pump drive chain assembly for wear and, if necessary, replace it.
- Check that the radial clearance between the gears and the pump casing is within the recommended limits; if this is not the case, replace the engine oil pump.
| Subject | Value | |
|---|---|---|
| Oil/water pump driveshaft seal | mm | |
| Radial clearance between gears and pump casing | 0.110 - 0.180 |
- Check that the endfloat between the top of the gears and the oil pump cover support plane is within the reocmmended values; if this is not the case, replace the enigne oil pump.
| Subject | Value | |
|---|---|---|
| Oil/water pump driveshaft seal | mm | |
| Endfloat between top of gears and pump casing support plane | 0.016 - 0.086 |
- Check that the height of the oil pressure relief valve spring is within the recommended values; if not, replace the spring.
| Subject | Value | |
|---|---|---|
| Oil/water pump driveshaft seal | mm | |
| Height of engine oil pressure relief valve spring | 11.96 - 12.76 |
| Subject | Value | |
|---|---|---|
| Oil/water pump driveshaft seal | mm | |
| Height released | 49.5 |
- Fit the oil pressure relief valve and tighten the nut.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 1.6 ÷ 2.0 | Nut | PRESSURE RELIEF VALVE ENGINE OIL PUMP |
- Fit the drive gear.
- Fit the driven gear.
- Fit the oil pump cover and tighten the fixing bolts to the recommended torque.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 0.8 ÷ 1.2 | Bolts | OIL/COOLANT PUMP DRIVESHAFT SEAL |
Manually rotate the gears to check that they turn without sticking.
- Position the engine oil pump in the vice fitted with protective jaws.
1. Fit the tool.
| Description | Code | Function | |
|---|---|---|---|
| 1 | Counter-torque/Template | 1.870.799.000 | Oil pump timing |
2. Fit the oil pump drive chain assembly (2a) and tighten the (left hand) bolt (2c) to the recommended torque.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 2c | 4.5 ÷ 5.5 | Left hand bolt | OIL PUMP GEARS | M10 |
Removing
- Position the engine oil pump in the vice fitted with protective jaws.
1. Fit the tool.
| Description | Code | Function | |
|---|---|---|---|
| 1 | Counter-torque/Template | 1.870.799.000 | Oil pump timing |
2. Undo the left hand bolt (2a) and remove the oil pump drive chain assembly (2b).
- Remove the tool.
| Description | Code | Function | |
|---|---|---|---|
| Counter-torque/Template | 1.870.799.000 | Oil pump timing |
1. Undo bolts (1a) and remove the oil pump cover (1b).
2. Remove the driven gear.
3. Remove the drive gear.
4. Undo the cap (4a) and release the oil pressure relief valve (4b).
- Remove the crankshaft front oil seal
Refitting
- Check the oil pump drive chain assembly for wear and, if necessary, replace it.
- Check that the radial clearance between the gears and the pump casing is within the recommended limits; if this is not the case, replace the engine oil pump.
| Subject | Value | |
|---|---|---|
| Engine oil pump | mm | |
| Radial clearance between gears and pump casing | 0.110 - 0.180 |
- Check that the endfloat between the top of the gears and the oil pump cover support plane is within the reocmmended values; if this is not the case, replace the enigne oil pump.
| Subject | Value | |
|---|---|---|
| Engine oil pump | mm | |
| Endfloat between top of gears and pump casing support plane | 0.016 - 0.086 |
- Check that the height of the oil pressure relief valve spring is within the recommended values; if not, replace the spring.
| Subject | Value | |
|---|---|---|
| Engine oil pump | mm | |
| Height of engine oil pressure relief spring released | 49.5 | |
| Test load | 11.73 - 12.51 |
| Subject | Value | |
|---|---|---|
| Engine oil pump | mm | |
| Height of engine oil pressure relief spring released | 35 | |
| Test load | 11.96 - 12.76 |
| Subject | Value | |
|---|---|---|
| Oil pressure relief valve spring | mm | |
| Wire diameter | 1.8 ± 0.15 | |
| Outer diameter | 11.5 ± 0.10 | |
| Total number of coils | 16 |
- Fit the oil pressure relief valve and tighten the cap to the recommended torque.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 1.6 - 2.0 | Nut | ENGINE OIL PUMP PRESSURE RELIEF VALVE |
- Fit the drive gear.
- Fit the driven gear.
- Fit the oil pump cover and tighten the bolts.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 0.8 - 1,2 | Bolt | OIL PUMP GEARS COVER |
Manually rotate the gears to check that they turn without sticking.
- Position the engine oil pump in the vice fitted with protective jaws.
1. Fit the tool.
| Description | Code | Function | |
|---|---|---|---|
| 1 | Counter-torque/Template | 1.870.799.000 | Oil pump timing |
2. Fit the oil pump drive chain assembly (2a) so that the references (2b) are aligned and tighten the (left hand) bolt (2c) to the recommended torque.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 2c | 4.5 - 5.5 | Bolt (left hand thread) | OIL PUMP DRIVE CHAIN ASSEMBLY | M10 |
Removing
- Position the engine oil pump in the vice fitted with protective jaws.
1. Fit the tool.
| Description | Code | Function | |
|---|---|---|---|
| 1 | Counter-torque/Template | 1.870.799.000 | Oil pump timing |
2. Undo the left hand bolt (2a) and remove the oil pump drive chain assembly (2b).
- Remove the tool.
| Description | Code | Function | |
|---|---|---|---|
| Counter-torque/Template | 1.870.799.000 | Oil pump timing |
1. Undo bolts (1a) and remove the oil pump cover (1b).
2. Remove the driven gear.
3. Remove the drive gear.
4. Undo the cap (4a) and release the oil pressure relief valve (4b).
- Remove the crankshaft front oil seal
Refitting
- Check the oil pump drive chain assembly for wear and, if necessary, replace it.
- Check that the radial clearance between the gears and the pump casing is within the recommended limits; if this is not the case, replace the engine oil pump.
| Subject | Value | |
|---|---|---|
| Engine oil pump | mm | |
| Radial clearance between gears and pump casing | 0.110 - 0.180 |
- Check that the endfloat between the top of the gears and the oil pump cover support plane is within the reocmmended values; if this is not the case, replace the enigne oil pump.
| Subject | Value | |
|---|---|---|
| Engine oil pump | mm | |
| Endfloat between top of gears and pump casing support plane | 0.016 - 0.086 |
- Check that the height of the oil pressure relief valve spring is within the recommended values; if not, replace the spring.
| Subject | Value | |
|---|---|---|
| Engine oil pump | mm | |
| Height of engine oil pressure relief spring released | 49.5 | |
| Test load | 11.73 - 12.51 |
| Subject | Value | |
|---|---|---|
| Engine oil pump | mm | |
| Height of engine oil pressure relief spring released | 35 | |
| Test load | 11.96 - 12.76 |
- Fit the oil pressure relief valve and tighten the cap to the recommended torque.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 1.6 - 2.0 | Plug | ENGINE OIL PUMP PRESSURE RELIEF VALVE |
- Fit the drive gear.
- Fit the driven gear.
- Fit the oil pump cover and tighten the bolts.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 0.8 - 1,2 | Bolt | OIL PUMP GEARS COVER |
Manually rotate the gears to check that they turn without sticking.
- Position the engine oil pump in the vice fitted with protective jaws.
1. Fit the tool.
| Description | Code | Function | |
|---|---|---|---|
| 1 | Counter-torque/Template | 1.870.799.000 | Oil pump timing |
2. Fit the oil pump drive chain assembly (2a) so that the references (2b) are aligned and tighten the (left hand) bolt (2c) to the recommended torque.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 2c | 0.6 - 0.7 | Left hand bolt | OIL PUMP DRIVE CHAIN ASSEMBLY | M10 |
Removing
1. Remove the intake net.
2. Remove the circlip.
3. Remove the engine oil pressure relief valve.
4. Undo the bolts (4a) and separate the pump cover (4b) from the pump casing (4c).
5. Remove the seal.
6. Remove the drive gear.
7. Remove the driven gear.
Refitting
- Check that the gears show no signs of wear or seizing; if this is not the case, replace the oil pump assembly.
- Check that the radial clearance between the driven gear and the pump casing is within the recommended limits; if this is not the case, replace the oil pump assembly.
| Subject | Value | |
|---|---|---|
| Oil pump | ||
| Radial clearance between gears and pump casing | 0.025 - 0.075 |
- Check that the height of the engine oil pressure relief valve spring is within the recommended values; if not, replace the spring.
| Subject | Value | ||
|---|---|---|---|
| Oil pump | |||
| Height of engine oil pressure relief valve spring with test load | 15.9 - 16.9 daN | ||
| 33.3 mm |
| Subject | Value | ||
|---|---|---|---|
| Oil pump | |||
| Height of engine oil pressure relief valve spring with test load | 13.8 - 14.8 daN | ||
| 36 mm |
- Fit the driven gear.
- Fit the drive gear.
- Fit the seal.
- Fit the pump cover on the pump casing and secure it using the bolts.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 0,9 - 1,1 | Bolts | OIL PUMP CASE |
- Fit the engine oil pressure relief valve.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 3,4 - 3,6 | PRESSURE RELIEF VALVE ENGINE OIL PUMP |
- Fit the circlip.
- Fit the intake net.
Removing
1. Remove the intake gauze.
2. Remove the circlip.
3. Remove the engine oil pressure relief valve.
4. Undo the bolts (4a) and separate the pump cover (4b) from the pump casing (4c).
5. Remove the seal.
6. Remove the drive gear.
7. Remove the driven gear.
Refitting
- Check that the gears show no signs of wear or seizing; if this is not the case, replace the oil pump assembly.
- Check that the radial clearance between the driven gear and the pump casing is within the recommended limits; if this is not the case, replace the oil pump assembly.
| Subject | Value | |
|---|---|---|
| Engine oil pump casing | mm | |
| Radial clearance between driven gear and engine oil pump casing | 0.025 ÷ 0.075 |
- Check that the height of the engine oil pressure relief valve spring is within the recommended values; if not, replace the spring.
| Subject | Value | ||
|---|---|---|---|
| Engine oil pump pressure relief valve | daN | ||
| Height of engine oil pressure relief valve spring | 15.9 - 16.9, 33.3 | ||
| 13.8 - 14.8, 36 mm |
- Place the driven gear in position.
- Place the drive gear in position.
- Place the gasket back in its housing.
- Place the pump cover in position and secure it tightening the bolts to the recommended torque.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| (Engine oil pump casing side) | Bolt | ENGINE OIL PUMP COVER | M |
- Place the engine oil pressure relief valve in position.
- Place the circlip in position.
- Place the intake gauze back in its housing.
Removing
- Position the engine oil pump in the vice fitted with protective jaws.
1. Fit the tool.
| Description | Code | Function | |
|---|---|---|---|
| 1 | Counter-torque/Template | 1.870.799.000 | Oil pump timing |
2. Undo the bolt (2a) and remove the oil pump drive chain assembly (2b).
- Remove the tool.
| Description | Code | Function | |
|---|---|---|---|
| Counter-torque/Template | 1.870.799.000 | Oil pump timing |
1. Undo bolts (1a) and remove the oil pump cover (1b).
2. Remove the driven gear.
3. Remove the drive gear.
4. Undo the cap (4a) and release the oil pressure relief valve (4b).
- Remove the crankshaft front oil seal
Refitting
- Check the wear of the oil pump drive chain assembly and, if necessary, replace it.
- Check that the radial clearance between the gears and the pump casing is within the recommended values; if this is not the case, replace the engine oil pump.
| Subject | Value | |
|---|---|---|
| Engine oil pump | mm | |
| Radial clearance between gears and pump casing | 0.110 - 0.180 |
- Check that the endfloat between the top of the gears and the oil pump cover support plane is within the recommended values; if not, replace the engine oil pump.
| Subject | Value | |
|---|---|---|
| Engine oil pump | kmm | |
| Radial clearance between gear and pump cover support plane | 0.016 - 0.086 |
- Check that the height of the oil pressure relief valve spring is within the recommended limits; if this is not the case, replace the spring.
| Subject | Value | |
|---|---|---|
| Engine oil pump | mm | |
| Height of engine oil pressure relief valve spring | 11.96 - 12.76 |
| Subject | Value | |
|---|---|---|
| Oil pump | mm | |
| Height released | 49.5 |
1. Fit a new crankshaft front oil seal (1a) using the tool (1b).
| Description | Code | Function | |
|---|---|---|---|
| 1b | Fitting tool | 1.860.816.000 | Fitting crankshaft front oil seal |
- Fit the oil pressure relief valve and tighten the nut.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 1.6 - 2.0 | Nut | ENGINE OIL PUMP PRESSURE RELIEF VALVE |
- Fit the drive gear.
- Fit the driven gear.
- Fit the oil pump cover and tighten the bolts.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 0.8 ÷ 1.2 | Bolts | ENGINE OIL PUMP |
Manually rotate the gears to check that they turn freely without sticking.
- Position the engine oil pump in the vice fitted with protective jaws.
1. Fit the tool.
| Description | Code | Function | |
|---|---|---|---|
| 1 | Counter-torque/Template | 1.870.799.000 | Oil pump timing |
2. Fit the oil pump drive chain assembly (2a) and tighten the (left hand) bolt (2c) to the recommended torque.
| Value - daNm | Fastening | Component | Ø | |
|---|---|---|---|---|
| 2c | 4.5 ÷ 5.5 | Left hand bolt | OIL PUMP GEARS |
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