Introduces Removaland of the Isuzu Engine 4JJ1 Euro 4 N Series common Rail

 

         This article mainly introduces Removaland  of the Isuzu   Engine 4JJ1 Euro 4 N Series common Rail

Legend
1. Injection pipe(#1-#4)5. Common rail(Fuel rail) bracket
2. Fuel feed pipe
3. Injection pipe clip7. Fuel leak-off pipe
4. Common rail(Fuel rail)
Including the inside of the injector, the holes and gaps that are the fuel paths for the fuel system have anextremely precise finish. Therefore, because there is the possibility of damage if foreign material becomes mixed in, cover the cap after removing parts, etc. to prevent the entry of foreign material.
Removal
1. Disconnect the air intake duct and hose.
· Disconnect the boost sensor connector (1), and remove the air intake duct together with the hose.

2. Kemove the air duct(air cleaner-turbocharger alr duct).
3. Remove the left side noise cover.
· Remove the harness connector of the dropping register, and remove the noise cover.
4. Remove the harness connector of the fuel pressure sensor(1).

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5. Remove the engine oil level gauge and guide tube.
6. Remove the leak-off pipe(1).

NOTE:
Do not reuse the leak-of pipe gasket

7. Remove the fuel feed pipe(1).

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NOTE: Do not reuse the fuel feed pipe
8. Remove the fuel hose(1).
· Keep the disconnected fuel hose in clean, so that dust should not adhere.

9. Remove the sleeve nut(1) of the injection pipe from the common rail.

NOTE: Do not reuse the injection pipe
10.Remove the common rail and the common rail bracket.
NOTE:
·Do not hold the pressure limiter or pressure sensor.
Make sure to hold the common rail unit.
·Be careful not to damage the pressure sensor connector.

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Legend
1. Common rail(Fuel rail)
2. Common rail(Fuel rail) bracket
3. Space rubber
4. Pressure sensor
5. Pressure limiter