Inlet Manifold; Inlet Manifold Removal - Isuzu NHR 4J Series Workshop Manual

6A1 – 8 4JB1/4JB1T/4JB1TC/4JG2 - ENGINE

INLET MANIFOLD

REMOVAL
Preparation:
• Disconnect battery ground cable.
• Drain coolant.
1. Vacuum Hose
2. Air Intake Duct
3. PCV Hose
4. Injection Pipe
• Release injection pipe clip.
• Loosen the flare nut on the injection pump side.
• Loosen the flare nut on the injection nozzle side,
disconnect and put a side the pipe.
6A1-8-2.tif
5. Oil Level Gauge Guide Tube
• Remove the fixing bolt and remove level gauge guide
tube.
Removal steps
1. Vacuum hose
2. Air intake duct
3. PCV hose
4. Injection pipe
5. Oil level gauge guide tube
6. Oil cooler water pipe (Oil
Cooler Model)
7. Inlet manifold
Installation steps
To install, follow the removal
steps in the reverse order.
6A1-8-1.tif