2007 ISUZU KB P190 oil

ENGINE MECHANICAL (4JK1/4JJ1) 6A-57
6. Remove the M6 bolt from the idle gear A.
7. Install the gear case cover. • Apply the liquid gasket (ThreeBond TB-1207B
or equivalent).


RTW 56ASH020101
Legend
1. Apply the liquid gasket

• Install the gasket in 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
8. Install the vacuum pump.
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.
9. Install the power steering pump. • Tighten the nuts to the specified torque.
Tightening torque: 25 N ⋅
⋅⋅
⋅
m (2.5 kg ⋅
⋅⋅
⋅
m / 18 lb ft)
• Connect the bracket (1) of power steering oil
hose.




LTW 56ASH000101

10. Install the crank pulley.
Tightening torque: 294 N ⋅
⋅⋅
⋅
m (30.0 kg ⋅
⋅⋅
⋅
m / 217 lb ft)
11. Install the A/C compressor drive belt and fan belt.
Refer to drive belt tension check procedure fo
r
Heating and air conditioning and Engine cooling in
this manual.
12. Install the cooling fan.
13. Install the fan guide.
14. Install the radiator upper hose.
15. Replenish the engine coolant.



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ISUZU KB P190 2007

ENGINE MECHANICAL (4JK1/4JJ1) 6A-63



LNW 21BSH020501
8. Check if the camshaft is runout.
• Place the camshaft on a V block to measure a
runout with a dial gauge.
• Rotate the camshaft slowly to measure ho
w
much the dial indicator shook. If it exceeds the
limit, replace the camshaft.

Runout of the camshaft mm (in)
Limit 0.05 (0.0020)



LNW 21BSH020601
9. Measure a camshaft journal oil clearance.
a. Measure an inside diameter of the camshaft bearing with a dial gauge.
b. Read the difference between the inside diameter of the camshaft bearing and the
diameter of the camshaft journal.
If the measured oil clearance exceeds the limit, replace the camshaft bearing.

Clearance of the journal part mm (in)
Standard 0.025
− 0.087
(0.0010 − 0.0034)
Limit 0.15 (0.0059)





LNW 21BSH054601
Reassembly
1. Install the dowel pin.
2. Install the camshaft gear. • Align the knock pin with the slot in the camshaft
gear. Use a press to install the camshaft gea
r
to the camshaft.





RTW 56ASH006601
Legend
1. Camshaft
2. Dowel Pin
3. Camshaft Gear




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ISUZU KB P190 2007

ENGINE MECHANICAL (4JK1/4JJ1) 6A-65
2. Install the camshaft assembly.
• Align timing mark on intake camshaft and
exhaust camshaft to idle gear D.




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Legend
1. Exhaust Camshaft Gear
2. Intake Camshaft Gear
3. Idle Gear D


3. Camshaft bearing caps, tighten ten bolts on one
side bank to the specified torque.
• Apply engine oil to camshaft journal and
bearing surface of camshaft bearing caps.






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4. Check that the alignment marks (camshaft bearing
cap and camshaft) are aligned.





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Legend
1.
Align mark on intake camshaft and exhaust
camshaft to mark of bearing cap

• Apply engine oil over the screw part and tighten
up the bearing cap with the prescribed torque.
Tightening torque: 18 N ⋅
⋅⋅
⋅
m (1.8kg ⋅
⋅⋅
⋅
m / 13 lb ft)
5. Remove the M5 lock bolt of fixing sub gear.
6. Adjustment of valve clearance. • Refer to installation procedure for inspection
/
adjustment of valve clearance in this manual.
7. Install the baffle plate. Tighten the bolts to the specified torque.
Tightening torque: 10 N ⋅
⋅⋅
⋅
m (1.0 kg ⋅
⋅⋅
⋅
m/87 lb in)
8. Install the cylinder head cover.
Refer to "Cylinder Head Cover".
9. Install the engine cover.



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ISUZU KB P190 2007

ENGINE MECHANICAL (4JK1/4JJ1) 6A-67
Valve Stem Seal and Valve Spring
Components




RTW 56ALF001301
Legend 1. Exhaust Rocker Arm Shaft Assembly
2. Bolt (Long)
3. Bolt (Short)
4. Intake Rocker Arm Shaft Assembly
5. Fuel Injector Assembly
6. Bolt
7. Fuel Injector Clamp 8. Pin
9. Spring Lower Seat
10. Valve Stem Oil Seal
11. Valve Spring
12. Spring Upper Seat
13. Split Collar
14. Valve Stem End Cap


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ISUZU KB P190 2007

6A-68 ENGINE MECHANICAL (4JK1/4JJ1)
Removal
1. Remove the cylinder head.
Refer to “Cylinder Head”.
2. Remove the split collar. • Use a replacer to compress the valve spring to
remove the split collar.
Special tool
Valve spring replacer: 5-8840-2818-0 (1)
Pivot assembly: 5-8840-2819-0 (2)




RTW 56ASH012301
3. Remove the spring upper seat.
• Remove the special tool to remove the uppe
r
seat.
4. Remove the valve spring. Put the removed valve springs in order b
y
cylinder number.
5. Remove the valve stem oil seal. • Use pliers to remove the oil seal.





RTW 56ASH012401
Note:
Do not use the removed oil seal again.
6. Remove the spring lower seat.

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ISUZU KB P190 2007

6A-70 ENGINE MECHANICAL (4JK1/4JJ1)
Installation
1. Install the spring lower seat.
2. Install the valve stem oil seal. •
Apply engine oil over the peripheral part of the
valve guide and install the oil seal by using a
valve stem seal installer.
Note:
After installing the valve stem oil seal, check if it is
inserted nice and deep and the oil seal is not tilted o
r
the garter spring has not come off.
Special tool
Valve stem seal installer: 5-8840-2817-0





RTW 56ASH013701
3. Install the valve spring.
4. Install the spring upper seat.
5. Install the split collar.
• Use a replacer to compress the valve spring
and install the split collar.

Special tool
Valve spring replacer: 5-8840-2818-0 (1)
Pivot assembly: 5-8840-2819-0 (2)





RTW 56ASH012301
Note:
Move it up and down to check if it moves smoothly.
6. Install the cylinder head.
Refer to “Cylinder Head”.


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ISUZU KB P190 2007

6A-76 ENGINE MECHANICAL (4JK1/4JJ1)
24. Disconnect the Front drive shaft (1). (4×4)





RTW 76ASH002301
25. Remove the catalyst converter.

RTW 56ALH000201

26. Remove the A/T oil cooler pipe bracket (A/T).





RTW 56ASH025101
Legend
1. A/T Oil Cooler Pipe Bracket


27. Remove the turbocharger water return pipe and
hose.






RTW 56ASH019001


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ISUZU KB P190 2007

ENGINE MECHANICAL (4JK1/4JJ1) 6A-77
28. Remove the turbocharger water feed pipe (1) and
hose.





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29. Remove the turbocharger engine oil feed pipe.
30. Remove the engine oil level gauge guide tube.
31. Remove the fuel return pipe and hose (1).





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32. Remove the fuel injection pipe clip.
33. Remove the fuel injection pipe.
34. Remove the vacuum hose (1).






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35. Remove the noise cover (1).






RTW 56CSH001401

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ISUZU KB P190 2007