Isuzu KB P190. Manual — part 346
6A-24 ENGINE MECHANICAL (4JK1/4JJ1)
Removal
1. Remove the engine cover.
2. Remove the intake air duct (3) (Standard output).
3. Remove the harness bracket (6).
RTW56ASH025001
Legend
1. Blow-by
Hose
2. Leak-off
Hose
3. Intake Air Duct
4. Fuel Injector Connector
5. Leak-off
Hose
6. Harness
Bracket
4. Remove the intercooler (High output).
• Disconnect the BARO sensor harness
connector (2).
• Remove the two intake hoses.
• Remove the intercooler (1).
RTW76ASH000501
5. Disconnect the fuel injector connector (2).
6. Remove the fuel leak off hose (1).
RTW76ASH000101
Note: Do not reuse the clips (1).
LNW76ASH002101
7. Disconnect the blow-by hose.
ENGINE MECHANICAL (4JK1/4JJ1) 6A-25
8. Remove the cylinder head cover.
LNW71BSH000401
9. Remove the nozzle seal cover from the cylinder
head cover.
• Remove from the lower side of cylinder head
cover.
10. Remove the cam end gasket (1).
• Remove the liquid gasket that has adhered to
cylinder head completely.
RTW56ASH020501
Installation
1. Install the nozzle seal cover.
• Insert from the lower side of cylinder head
cover.
• Apply soapy water or engine oil to the surface
of cylinder head cover side.
• Insert the nozzle seal cover as far as it will go.
2. Install the cam end gasket.
• Apply the liquid gasket (ThreeBond TB-1207B
or equivalent) and mount.
RTW56ASH020601
Legend
1. Cam End Gasket
2. Apply The Liquid Gasket
3. 2.0 - 3.0 mm (0.079 - 0.118 in)
• Apply attaching cam end gasket.
Apply the liquid gasket (ThreeBond TB-1207B
or equivalent).
6A-26 ENGINE MECHANICAL (4JK1/4JJ1)
RTW56ASH022701
Legend
1. 3.0 - 5.0 mm (0.118 - 0.197 in)
2. 3.0 - 5.0 mm (0.118 - 0.197 in)
3. Install the cylinder head cover.
Tightening torque: 10 N
⋅⋅⋅⋅m (1.0 kg⋅⋅⋅⋅m / 87 lb in)
• Tighten the nut and bolts in order shown in the
illustration.
RTW56ASH004801
4. Install the blow-by hose.
5. Install the leak-off hose and the fuel injector
connector.
6. Install the harness bracket to the cylinder head
cover.
7. Install the intercooler (High output).
• Install the intercooler.
• Install the two intake hoses.
• Connect the BARO sensor harness connector.
8. Install the intake air duct.
Tightening torque: 25 N
⋅⋅⋅⋅m (2.5 kg⋅⋅⋅⋅m / 18 lb in)
9. Install the engine cover.
ENGINE MECHANICAL (4JK1/4JJ1) 6A-27
Intake Manifold
Components (Standard Output)
RTW76ALF000201
Legend
1. Intake
Duct
2. Throttle
Assembly
3. Intake Manifold Gasket
4.
Intake
Manifold
5. EGR Valve Assembly Gasket
6. EGR Valve Assembly
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