introduces Removal the Isuzu Engine 4JJ1 Euro 4 N Series Common Rail

 This article mainly introduces Removal the Isuzu Engine 4JJ1 Euro 4 N Series  Common Rail       

ISUZU IDSS Diagnostic Adapter System Support G-IDSS/US-IDSS/E-IDSS

Legend
1. Injection pipe(#1-#4)5. Common rail(Fuel rai) bracket
2. Fuel feed pipe
6. Space rubber
4. Common rail(Fuel rail)
Including the inside of the injector, the holes and gaps that are the fuel patns 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. Remove the air duct(air cleaner-turbocharger air 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).

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

NOTE:
Do not reuse the leak-off pipe gasket

7. Remove the fuel feed pipe(1).

Isuzu G-IDSS Diagnostic Service System 03.2022 Download and Installation

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.

Isuzu E-IDSS Diagnostic Service System 09.2021

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