2007 ISUZU KB P190 torque

6A-58 ENGINE MECHANICAL (4JK1/4JJ1)
Torque Specifications





LNW 76ALF000601


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ISUZU KB P190 2007

6A-64 ENGINE MECHANICAL (4JK1/4JJ1)
3. Install the sub gear assembly.
• Clamp the camshaft in a vise. Insert soft metal
protectors (aluminum) between the vise
surfaces and the camshaft. Press against the
pin on the left side of the camshaft gear spring
(3) to make a gap on the right side of the
spring. Push the spring into place.
• Align the sub gear pin (2) with the hole in the
right side of the camshaft gear damper spring
(3). Press the sub-gear into place.






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Legend
1. Snap Ring
2. Sub-gear
3. Damper Spring
4. Camshaft Gear

• Use a pair of snap ring pliers to snuggly install
the snap ring.

4. Tighten sub gear setting bolt.
• Use 5-8840-2591-0 to turn sub gear to right
direction until it aligns with the M5 bolt hole
between camshaft driven gear and sub gear.
• Tighten the M5 bolt to a suitable torque to
prevent the sub-gear from moving.





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Installation
1. Check the crankshaft to make the No. 1 cylinder
meet the compression TDC.





RTW 76ASH001301
Legend
1. TDC




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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

6A-66 ENGINE MECHANICAL (4JK1/4JJ1)
Torque Specifications





RTW 56AMF001701


Special Tools
ILLUSTRATION PART NO.
PART NAME

5-8840-2591-0
Camshaft gear tool


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ISUZU KB P190 2007

6A-90 ENGINE MECHANICAL (4JK1/4JJ1)
Cylinder Head Gasket Combination mm (in)






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Note:
Difference of each piston projection must be equal o
r
within 0.05 mm (0.002 in).
7. Select the gear case gasket. • This should be of the same grade as the
cylinder gasket.

8. Apply liquid gasket (ThreeBond 1207B o
r
equivalent) at the two locations.



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Legend
1. 2 - 3 mm (0.079 - 0.118 in)
2. 3 - 4 mm (0.118 - 0.157 in)


9. Install the cylinder head within 5 minutes application of the liquid gasket.
10. Install the cylinder head. • W ipe the cylinder head lower face.
• Install the cylinder head, adjusting the dowel o
f
the cylinder block.
11. Install the cylinder head bolt. • Please use new cylinder head bolt.
• Use a torque wrench and angle gauge to
tighten the head bolts in the order described in
the drawing.
Tightening torque: 1st step = 70 N ⋅
⋅⋅
⋅
m (7.1 kg ⋅
⋅⋅
⋅
m / 51 lb ft)
2nd step = 70 N ⋅
⋅⋅
⋅
m (7.1 kg ⋅
⋅⋅
⋅
m / 51 lb ft)
3rd step = 60° (degrees)
4th step = 60° (degrees)


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ISUZU KB P190 2007

ENGINE MECHANICAL (4JK1/4JJ1) 6A-91




RTW 56ASH009701
Special tool
Angle gauge: 5-8840-0266-0


12. Install the cylinder head gear case bolt and nut.
• Tighten the nuts (1) and bolts (2) to the
specified torque.
Tightening torque: 25 N ⋅
⋅⋅
⋅
m (2.5 kg ⋅
⋅⋅
⋅
m / 18 lb ft)




RTW 56ASH020801
13. Install the water by pass pipe.
Apply soapy water to the O-ring.
Tighten the bolt to the specified torque.
Tightening torque: 25 N ⋅
⋅⋅
⋅
m (2.5 kg ⋅
⋅⋅
⋅
m / 18 lb ft)

14. Install the vacuum hose (1).






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15. Install the rocker arm shaft assembly.
• Apply the engine oil.
• Attach the rocker arm shaft assembly in
sequence from No.1 to No.4.
Tightening torque: 21 N ⋅
⋅⋅
⋅
m (2.1 kg ⋅
⋅⋅
⋅
m / 15 lb ft)



RTW 56ASH012201
Legend
1. Exhaust Rocker Arm Shaft Assembly
2. Bolt (Long)
3. Bolt (Short)
4. Intake Rocker Arm Shaft Assembly
5. Front



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ISUZU KB P190 2007

6A-92 ENGINE MECHANICAL (4JK1/4JJ1)
16. Install the chain guide bolt from cylinder head.
Tighten the bolt to the specified torque.
Tightening torque: 25 N ⋅
⋅⋅
⋅
m (2.5 kg ⋅
⋅⋅
⋅
m/18 lb ft)



RTW 56ASH019501
17. Install the tension lever.
18. Rotate the crankshaft to make the No.1 cylinde
r
meet the compression top dead center (TDC).





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Legend
1. TDC



19. Install the timing chain with idle gear D.
• Apply the engine oil bolt thread and seat.
Tightening torque : 59 N ⋅
⋅⋅
⋅
m (6.0 kg ⋅
⋅⋅
⋅
m/43 lb ft)





RTW 56ASH021801
• Align the timing marks at two locations as
shown.


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Legend
1. Timing Chain
2. Timing Mark
3. Blue Link
4. Yellow Link




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ISUZU KB P190 2007

ENGINE MECHANICAL (4JK1/4JJ1) 6A-93
20. Install the timing chain tension lever pivot.
Tighten the bolt to the specified torque.
Tightening torque: 27 N ⋅
⋅⋅
⋅
m (2.8 kg ⋅
⋅⋅
⋅
m / 20 lb ft)





RTW 56ASH019401
21. Attach the hook of the timing chain tensioner.
• Hold the latch (3) depressed. Insert the plunge
r
(2). Attach the hook (5) to the pin (1) to hold the
plunger in place.



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22. Install the timing chain tensioner (1) and the
gasket (2).
Tighten the nuts (3) to the specified torque.
Tightening torque: 10 N ⋅
⋅⋅
⋅
m (1.0 kg ⋅
⋅⋅
⋅
m / 87 lb in)




RTW 56CSH001701
23. Unlock the tensioner hook.
• Press the place of the arrow in the figure.
• The hook is opened. The plunger pushes the
tension lever.




RTW 56ASH020401

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ISUZU KB P190 2007