Isuzu KB P190. Manual — part 363

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)

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17. Install the tension lever.

18. Rotate the crankshaft to make the No.1 cylinder

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)

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• 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

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)

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21. Attach the hook of the timing chain tensioner.

• Hold the latch (3) depressed. Insert the plunger

(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)

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23. Unlock the tensioner hook.

• Press the place of the arrow in the figure.
• The hook is opened. The plunger pushes the

tension lever.

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6A-94 ENGINE MECHANICAL (4JK1/4JJ1)

24. 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

25. Install the camshaft bearing cap.

• Apply engine oil to all of the cylinder head

journals.

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Tightening torque: 18 N

⋅⋅⋅⋅m (1.8 kg⋅⋅⋅⋅m / 13 lb ft)

26.

Align mark on camshaft to mark on camshaft

bearing cap.
• Align mark (1) on intake camshaft and exhaust

camshaft to mark of bearing cap.

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27. Remove the lock bolt from the camshaft gear.

28. Turn the crank pulley two rotation (720

°CA).

• Align mark on camshaft to mark on camshaft

bearing cap.

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Legend

1. Exhaust Camshaft Gear

2. Intake Camshaft Gear

3. Idle Gear D

ENGINE MECHANICAL (4JK1/4JJ1) 6A-95

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Legend

1.

Timing

Chain

2.

Timing

Mark

3.

Blue

Link

4.

Yellow

Link

29.

Apply liquid gasket (ThreeBond TB-1207C or

equivalent) to timing chain cover upper (1).
• Attach cover within 5minutes after the

application of gasket.

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30. Install the timing chain cover upper (1).

Tighten the bolt to the specified torque.
• Apply loctite #262 or equivalent to the bolt and

stud threads of cylinder side head side (2).

Tightening torque: 25 N

⋅⋅⋅⋅m (2.5 kg⋅⋅⋅⋅m / 18 lb ft)

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31.

Apply liquid gasket (ThreeBond TB-1207C or

equivalent) to the timing chain cover lower (1).
• Attach the cover within 5 minutes of applying

the liquid gasket.

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32. Install the timing chain cover lower.

Tighten the bolts and nuts to the specified torque.

Tightening torque: 10 N

⋅⋅⋅⋅m (1.0 kg⋅⋅⋅⋅m / 87 lb in)

33.

Install the noise cover to the timing chain cover

lower.

Tighten the bolts to the specified torque.

Tightening torque: 10 N

⋅⋅⋅⋅m (1.0 kg⋅⋅⋅⋅m / 87 lb in)