Isuzu NHR 4J Series, Workshop Manual

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4JB1/4JB1T/4JB1TC/4JG2 – ENGINE 6A1 – 9
6. Oil Cooler Water Pipe (Oil Cooler Model)
• Remove the water pipe bracket bolt.
• Remove the inlet manifold fixing nut.
7. Inlet Manifold
• Remove the manifold fixing bolt and nut.
INSTALLATION
7. Inlet Manifold
• Tighten the fixing bolts and nuts to the specified
torque.
Bolt & Nut N ∙ m(kg ∙ m/lb ∙ ft)
19(1.9/14)
6. Oil Cooler Water Pipe (Oil Cooler Model)
• Install the water pipe and tighten the manifold with
water pipe.
• Tighten the pipe bracket bolt of cylinder head rear
side.
5. Oil Level Gauge Guide Tube
• Install the guide tube and tighten the manifold with
guide tube.
4. Injection Pipe
• Connect the injection pipe and tighten flare nut to the
specified torque.
Flare nut torque N ∙ m(kg ∙ m/lb ∙ ft)
29(3.0/22)
• Install the pipe clip to the original position.
3. PCV Hose
2. Air Intake Duct
1. Vacuum Hose
• Connect the battery ground cable.
• Pour coolant.
• Start the engine and check coolant leakage.
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