ISUZU KB P190 2007 Workshop Repair Manual

ENGINE MECHANICAL (4JK1/4JJ1) 6A-151
Removal
1. Remove the engine assembly.
Refer to “Engine Assembly”.
2. Remove the oil level gage guide tube.




RTW 56ASH015601
3. Remove the oil pan.





RTW 56ASH015001


4. Disconnect the earth terminal (1) of crank case
side.




RTW 76ASH001801
5. Remove the flywheel.
Refer to “Flywheel”.
6. Remove the rear plate.




RTW 76ASH001901
Legend
1. Rear Plate
2. Bolt



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6A-152 ENGINE MECHANICAL (4JK1/4JJ1)
7. Remove the cylinder head.
Refer to “Cylinder Head”.
8. Remove the timing gear case.
Refer to “Timing Gear Case”.
9. Remove the retainer.



RTW 76ASH002001
Legend
1. Retainer
2. Bolt

10. Remove the crank case.






RTW 56ASH021901
Legend
1. O-ring
2. Crank Case

Note:
Take care not to damage the O-ring.

Disassembly
1. Remove the oil strainer.



RTW 66ASH009201
Legend
1. Gasket
2. Oil Strainer
3. Bolt
4. Crank Case

Reassembly
Install the oil strainer.
• Install the gasket on the strainer.
• Tighten the bolts to the specified torque.
Tightening torque: 22 N ⋅
⋅⋅
⋅
m (2.2 kg ⋅
⋅⋅
⋅
m / 16 lb ft)


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ISUZU KB P190 2007

ENGINE MECHANICAL (4JK1/4JJ1) 6A-153
Installation
1. Install the crank case.
• Apply the liquid gasket (ThreeBond TB-1207C
or equivalent) and mount within 5 minutes.
Tightening torque: 25 N ⋅
⋅⋅
⋅
m (2.5 kg ⋅
⋅⋅
⋅
m / 18 lb ft)




RTW 56ASH015301
Legend
1. 2.0 - 3.0 mm (0.079 - 0.118 in)
2. 4.0 - 5.0 mm (0.157 - 0.197 in)

2. Install the oil pan.
• Apply the liquid gasket (ThreeBond TB-1207B
or equivalent)and mount within 5 minutes.
Tightening torque: 22 N ⋅
⋅⋅
⋅
m (2.2 kg ⋅
⋅⋅
⋅
m / 16 lb ft)








RTW 56ASH015201
Legend
1. 2.0 mm (0.079 in)
2. 3.0 mm (0.118 in)


3. Install the retainer.
• Apply the liquid gasket (ThreeBond TB-1207C
or equivalent) and mount within 5 minutes.
Tightening torque: 25 N ⋅
⋅⋅
⋅
m (2.5 kg ⋅
⋅⋅
⋅
m / 18 lb ft)







RTW 56ASH017701
Legend
1. 2 - 2.5 mm (0.079 - 0.098 in)
2. 2 - 2.5 mm (0.079 - 0.098 in)



RTW 76ASH002001
Legend
1. Retainer
2. Bolt

4. Install the timing gear case.
Refer to “Gear Case Assembly”.
5. Install the cylinder head.
Refer to “Cylinder Head”.

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ISUZU KB P190 2007

6A-154 ENGINE MECHANICAL (4JK1/4JJ1)
6. Install the rear plate.
• Tighten the bolts to the specified torque.
Tightening torque: 82 N ⋅
⋅⋅
⋅
m (8.4 kg ⋅
⋅⋅
⋅
m / 61 lb ft)
7. Install the flywheel.
Refer to “Flywheel”.
8. Connect the earth terminal of crank case side.
Note:
Do not allow the caulked portion of the terminal to
interfere with nearby parts.
9. Install the oil level gage guide tube. • Apply the engine oil to the O-ring.
• Tighten the bolts to the specified torque.
Tightening torque: 25 N ⋅
⋅⋅
⋅
m (2.5 kg ⋅
⋅⋅
⋅
m / 18 lb ft)
10. Install the engine assembly.
Refer to “Engine Assembly”.



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ISUZU KB P190 2007

ENGINE MECHANICAL (4JK1/4JJ1) 6A-155
Torque Specifications



RTW 56AMF001901



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6A-156 ENGINE MECHANICAL (4JK1/4JJ1)
Oil Pump
Components




RTW 66AMF000701
Legend 1. Bolt 2. Oil Pump Assembly

Removal
1. Drain the engine coolant.
2. Remove the radiator upper hose.
3. Remove the upper fan shroud.
4. Remove the fan and fan clutch. • Loosen the fan clutch nuts.
• Remove the fan together with the fan clutch.
Take care not to damage the radiator core.
5. Remove the fan drive belt and pulley. • Loosen the tension adjust bolt on the generato
r
and A/C.
• Remove the fan drive belt with the fan pulley.
6. Remove the lower fan shroud.
7. Disconnect the power steering pump. • Disconnect the bracket of the power steering oil
hose clip (1).






LTW 56ASH000101


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ENGINE MECHANICAL (4JK1/4JJ1) 6A-157
8. Remove the vacuum pump.
• Remove the vacuum pipe bracket and vacuum
pipe.
• Remove the oil pipe (feed side and return side)
of vacuum pump.
9. Remove the noise cover (1).






RTW 56CSH001401
10. Remove the crank pulley.
11. Remove the front cover.




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12. Remove the oil pump (1).





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Disassembly
1. Remove the spring pin.
2. Remove the spring seat.
3. Remove the spring.
4. Remove the valve.


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6A-158 ENGINE MECHANICAL (4JK1/4JJ1)
Reassembly
1. Install the valve.
2. Install the spring.
3. Install the spring seat.
4. Install the spring pin.







RTW 56ASH015901
Legend
1. Spring Pin
2. Spring Seat
3. Spring
4. Valve

Inspection
NOTE:
Think to match direction of ditch of gear when
assembling it.
1. Measure the clearance between the driven gear/drive gear shaft and the bush.
• Measure the outside diameter of the driven
gear shaft using a micrometer.
Outside diameter of the driven gear shaft/drive
gear shaft mm (in)
Standard 15.989 - 16.000 (0.62949 - 0.62992)
Limit 15.900 (0.62598)






RTW 56ASH025601
• Measure the inside diameter of the bushes of
the cylinder block using the dial gauge.
• If the clearance between the driven gea
r
shaft/drive gear shaft and bush exceeds the
limit, replace the oil pump assembly.
Clearance between the driven gear shaft/drive gear
shaft and bush mm (in)
Standard 0.04 - 0.07 (0.0016 - 0.0028)
Limit 0.20 (0.0079)



RTW 56ASH014701
2. Measure the clearance between the gear side
surface and the gear side surface of the oil pump
housing.
• Measure the width size the driven gear/drive
gear.
W idth size the driven gear/drive gear mm (in)
Standard 14.5 (0.5709)


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ENGINE MECHANICAL (4JK1/4JJ1) 6A-159




RTW 56ASH025501
• Measure the Depth size of the gear case
housing surface and the oil pump housing gea
r
case side.
Depth size the gear case housing surface and the oil
pump housing gear case side
mm (in)
Standard 14.500 - 14.527 (0.5709 - 0.5719)




RTW 56ASH014801

Clearance between the gear side surface and the
gear side surface of the oil pump housing mm (in)
Standard 0.063 - 0.027 (0.0025 - 0.0011)
Limit 0.20 (0.0079)

Installation
1. Install the oil pump.
•
Apply engine oil to the oil pump attachment
gearbox.
• Tighten the bolts to the specified torque.
Tightening torque: 25 N ⋅
⋅⋅
⋅
m (2.5 kg ⋅
⋅⋅
⋅
m / 18 lb ft)
• Installed pump gear should be smooth to
rotate.
2. Install the gear case cover. • Apply the liquid gasket (Threebond TB-1207B
or equivalent) mount within 5 minutes.


RTW 56ASH020101
Legend
1. Apply the liquid gasket in area



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6A-160 ENGINE MECHANICAL (4JK1/4JJ1)
• Install the gasket in the slot of the gear case
cover.
• Tighten the bolts to the specified torque.
Tightening torque: 8 N ⋅
⋅⋅
⋅
m (0.8 kg ⋅
⋅⋅
⋅
m / 69 lb in)





RTW 56ASH012101
3. Install the crank pulley.
• Tighten the bolts to the specified torque.
Tightening torque: 294 N ⋅
⋅⋅
⋅
m (30.0 kg ⋅
⋅⋅
⋅
m / 217 lb ft)
4. Install the noise cover to the timing chain cove
r
lower.
• Tighten the bolts to the specified torque.
Tightening torque: 10 N ⋅
⋅⋅
⋅
m (1.0 kg ⋅
⋅⋅
⋅
m / 87 lb in)
5. Install the vacuum pump. • Tighten the nuts to the specified torque.
Tightening torque: 25 N ⋅
⋅⋅
⋅
m (2.5 kg ⋅
⋅⋅
⋅
m / 18 lb ft)
• Install the oil pipe (feed side and return side) o
f
vacuum pump.
• Install the vacuum pipe bracket and vacuum
pipe.
6. Install the power steering pump. • Tighten the nuts to the specified torque.
Tightening torque: 25 N ⋅
⋅⋅
⋅
m (2.5 kg ⋅
⋅⋅
⋅
m / 18 lb ft)
• Install the bracket of power steering oil hose
clip (1).






LTW 56ASH000101
7. Install the lower fan shroud.
8. Install the fan drive belt and pulley. • Install the fan drive belt with the fan pulley.
9. Install the fan and fan clutch. • Tighten the bolts to the specified torque.
Tightening torque: 8 N ⋅
⋅⋅
⋅
m (0.8 kg ⋅
⋅⋅
⋅
m / 69 lb in)
10.
Adjust the drive belt of generator and A/C
compressor.
• Apply tension to the fan drive belt by moving
the generator.
•
Apply a force of 98 N (10 kg / 22 lb) to the drive
belt mid portion to check the drive belt
deflection.
Generator drive belt deflection mm (in)
New belt 5 - 6 (0.20 – 0.24)
Reuse belt 7 - 8 (0.28 – 0.31)

A/C compressor drive belt deflection mm (in)
New belt 6 - 7 (0.24 – 0.28)
Reuse belt 8 - 9 (0.31 – 0.35)
11. Install the upper fan shroud.
12. Install the radiator upper hose.
13. Replenish the engine coolant.

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ISUZU KB P190 2007