Workshop Manuals Factory service & repair Lancia
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Service news bulletins24 Special tools
Lancia Thesis Factory Service Manual (2002-2009)08 · Engine
08 · Engine

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
EngineENGINE OIL PUMP, removed - Check at the bench

ENGINE OIL PUMP, removed - Check at the bench

Operation 1084B18 · ENGINE OIL LUBRICATION CIRCUIT

2.4 JTD 20V

Removing

- Position the engine oil pump in the vice fitted with protective jaws.

1. Fit the tool.

DescriptionCodeFunction
1Counter-torque/Template1.870.799.000Oil pump timing

2. Undo the (left hand0 bolt (2a) and remove the oil pump drive chain assembly (2b).

- Remove the tool.

DescriptionCodeFunction
Counter-torque/Template1.870.799.000Oil pump timing
ENGINE OIL PUMP, removed - Check at the bench

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

ENGINE OIL PUMP, removed - Check at the bench

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.

SubjectValue
Oil/water pump driveshaft sealmm
Radial clearance between gears and pump casing0.110 - 0.180
ENGINE OIL PUMP, removed - Check at the bench

- 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.

SubjectValue
Oil/water pump driveshaft sealmm
Endfloat between top of gears and pump casing support plane0.016 - 0.086
ENGINE OIL PUMP, removed - Check at the bench

- Check that the height of the oil pressure relief valve spring is within the recommended values; if not, replace the spring.

SubjectValue
Oil/water pump driveshaft sealmm
Height of engine oil pressure relief valve spring11.96 - 12.76
SubjectValue
Oil/water pump driveshaft sealmm
Height released49.5

- Fit the oil pressure relief valve and tighten the nut.

Value - daNmFasteningComponentØ
1.6 ÷ 2.0NutPRESSURE 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 - daNmFasteningComponentØ
0.8 ÷ 1.2BoltsOIL/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.

DescriptionCodeFunction
1Counter-torque/Template1.870.799.000Oil pump timing

2. Fit the oil pump drive chain assembly (2a) and tighten the (left hand) bolt (2c) to the recommended torque.

Value - daNmFasteningComponentØ
2c4.5 ÷ 5.5Left hand boltOIL PUMP GEARSM10
ENGINE OIL PUMP, removed - Check at the bench

2.4 20V

Removing

- Position the engine oil pump in the vice fitted with protective jaws.

1. Fit the tool.

DescriptionCodeFunction
1Counter-torque/Template1.870.799.000Oil pump timing

2. Undo the left hand bolt (2a) and remove the oil pump drive chain assembly (2b).

- Remove the tool.

DescriptionCodeFunction
Counter-torque/Template1.870.799.000Oil pump timing
ENGINE OIL PUMP, removed - Check at the bench

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

ENGINE OIL PUMP, removed - Check at the bench

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.

SubjectValue
Engine oil pumpmm
Radial clearance between gears and pump casing0.110 - 0.180
ENGINE OIL PUMP, removed - Check at the bench

- 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.

SubjectValue
Engine oil pumpmm
Endfloat between top of gears and pump casing support plane0.016 - 0.086
ENGINE OIL PUMP, removed - Check at the bench

- Check that the height of the oil pressure relief valve spring is within the recommended values; if not, replace the spring.

SubjectValue
Engine oil pumpmm
Height of engine oil pressure relief spring released49.5
Test load11.73 - 12.51
SubjectValue
Engine oil pumpmm
Height of engine oil pressure relief spring released35
Test load11.96 - 12.76
SubjectValue
Oil pressure relief valve springmm
Wire diameter1.8 ± 0.15
Outer diameter11.5 ± 0.10
Total number of coils16

- Fit the oil pressure relief valve and tighten the cap to the recommended torque.

Value - daNmFasteningComponentØ
1.6 - 2.0NutENGINE OIL PUMP PRESSURE RELIEF VALVE

- Fit the drive gear.

- Fit the driven gear.

- Fit the oil pump cover and tighten the bolts.

Value - daNmFasteningComponentØ
0.8 - 1,2BoltOIL 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.

DescriptionCodeFunction
1Counter-torque/Template1.870.799.000Oil 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 - daNmFasteningComponentØ
2c4.5 - 5.5Bolt (left hand thread)OIL PUMP DRIVE CHAIN ASSEMBLYM10
ENGINE OIL PUMP, removed - Check at the bench

2.0 TB

Removing

- Position the engine oil pump in the vice fitted with protective jaws.

1. Fit the tool.

DescriptionCodeFunction
1Counter-torque/Template1.870.799.000Oil pump timing

2. Undo the left hand bolt (2a) and remove the oil pump drive chain assembly (2b).

- Remove the tool.

DescriptionCodeFunction
Counter-torque/Template1.870.799.000Oil pump timing
ENGINE OIL PUMP, removed - Check at the bench

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

ENGINE OIL PUMP, removed - Check at the bench

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.

SubjectValue
Engine oil pumpmm
Radial clearance between gears and pump casing0.110 - 0.180
ENGINE OIL PUMP, removed - Check at the bench

- 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.

SubjectValue
Engine oil pumpmm
Endfloat between top of gears and pump casing support plane0.016 - 0.086
ENGINE OIL PUMP, removed - Check at the bench

- Check that the height of the oil pressure relief valve spring is within the recommended values; if not, replace the spring.

SubjectValue
Engine oil pumpmm
Height of engine oil pressure relief spring released49.5
Test load11.73 - 12.51
SubjectValue
Engine oil pumpmm
Height of engine oil pressure relief spring released35
Test load11.96 - 12.76

- Fit the oil pressure relief valve and tighten the cap to the recommended torque.

Value - daNmFasteningComponentØ
1.6 - 2.0PlugENGINE OIL PUMP PRESSURE RELIEF VALVE

- Fit the drive gear.

- Fit the driven gear.

- Fit the oil pump cover and tighten the bolts.

Value - daNmFasteningComponentØ
0.8 - 1,2BoltOIL 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.

DescriptionCodeFunction
1Counter-torque/Template1.870.799.000Oil 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 - daNmFasteningComponentØ
2c0.6 - 0.7Left hand boltOIL PUMP DRIVE CHAIN ASSEMBLYM10
ENGINE OIL PUMP, removed - Check at the bench

3.0 V6

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.

ENGINE OIL PUMP, removed - Check at the bench

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.

SubjectValue
Oil pump
Radial clearance between gears and pump casing0.025 - 0.075

- Check that the height of the engine oil pressure relief valve spring is within the recommended values; if not, replace the spring.

SubjectValue
Oil pump
Height of engine oil pressure relief valve spring with test load15.9 - 16.9 daN
33.3 mm
SubjectValue
Oil pump
Height of engine oil pressure relief valve spring with test load13.8 - 14.8 daN
36 mm
ENGINE OIL PUMP, removed - Check at the bench

- 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 - daNmFasteningComponentØ
0,9 - 1,1BoltsOIL PUMP CASE

- Fit the engine oil pressure relief valve.

Value - daNmFasteningComponentØ
3,4 - 3,6PRESSURE RELIEF VALVE ENGINE OIL PUMP

- Fit the circlip.

- Fit the intake net.

3.2 V6

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.

SubjectValue
Engine oil pump casingmm
Radial clearance between driven gear and engine oil pump casing0.025 ÷ 0.075

- Check that the height of the engine oil pressure relief valve spring is within the recommended values; if not, replace the spring.

SubjectValue
Engine oil pump pressure relief valvedaN
Height of engine oil pressure relief valve spring15.9 - 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 - daNmFasteningComponentØ
(Engine oil pump casing side)BoltENGINE OIL PUMP COVERM

- Place the engine oil pressure relief valve in position.

- Place the circlip in position.

- Place the intake gauze back in its housing.

2.4 JTD 10V

Removing

- Position the engine oil pump in the vice fitted with protective jaws.

1. Fit the tool.

DescriptionCodeFunction
1Counter-torque/Template1.870.799.000Oil pump timing

2. Undo the bolt (2a) and remove the oil pump drive chain assembly (2b).

- Remove the tool.

DescriptionCodeFunction
Counter-torque/Template1.870.799.000Oil pump timing
ENGINE OIL PUMP, removed - Check at the bench

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

ENGINE OIL PUMP, removed - Check at the bench

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.

SubjectValue
Engine oil pumpmm
Radial clearance between gears and pump casing0.110 - 0.180
ENGINE OIL PUMP, removed - Check at the bench

- 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.

SubjectValue
Engine oil pumpkmm
Radial clearance between gear and pump cover support plane0.016 - 0.086
ENGINE OIL PUMP, removed - Check at the bench

- 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.

SubjectValue
Engine oil pumpmm
Height of engine oil pressure relief valve spring11.96 - 12.76
SubjectValue
Oil pumpmm
Height released49.5

1. Fit a new crankshaft front oil seal (1a) using the tool (1b).

DescriptionCodeFunction
1bFitting tool1.860.816.000Fitting crankshaft front oil seal
ENGINE OIL PUMP, removed - Check at the bench

- Fit the oil pressure relief valve and tighten the nut.

Value - daNmFasteningComponentØ
1.6 - 2.0NutENGINE OIL PUMP PRESSURE RELIEF VALVE

- Fit the drive gear.

- Fit the driven gear.

- Fit the oil pump cover and tighten the bolts.

Value - daNmFasteningComponentØ
0.8 ÷ 1.2BoltsENGINE 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.

DescriptionCodeFunction
1Counter-torque/Template1.870.799.000Oil pump timing

2. Fit the oil pump drive chain assembly (2a) and tighten the (left hand) bolt (2c) to the recommended torque.

Value - daNmFasteningComponentØ
2c4.5 ÷ 5.5Left hand boltOIL PUMP GEARS
ENGINE OIL PUMP, removed - Check at the bench

Parts & tools for this job Staging For 2002 Lancia Thesis

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