Heavy Equipment Repair

How to Remove Engine Wiring Harnesses W2 and W3 for MTU 12-16v4000 Engine

MTU engine wiring harness W2 and W3 will be damaged by some unknown reason or service life end,you need replace a new one.Here is the instruction show you guide on how to remove

 

 

Related Contents:

2022 MTU DiaSys 2.74 2.72 Engine Diagnostic Software Free Download

MTU Engine Diagnostic USB-to-CAN Adapter with Cables

 

 

Removing engine wiring harnesses W2 and W3

Use the lettering kit (near ECU connector) to identify wiring harness and determine wiring route.
Release bayonet connector at ECU 4 (if necessary using pliers) and withdraw.
Release plug-in connections of connected sensors or actuators and remove.
Remove cable clamps (1) which are secured to wiring harness (2) to be changed.
Note: Note position of cable clamps. The cable clamps must be installed in the position they were in prior to disassembly.

Using a screwdriver, open sealing clips (1) of all cable fasteners (2) and remove (arrow indicates application point of screwdriver).
Withdraw wiring harness (3) from all open cable fasteners.
Carefully remove wiring harness.

 

Removing engine wiring harness W4

Use the lettering kit (near ECU connector) to identify wiring harness and determine wiring route.
Release bayonet connector at ECU 4 (if necessary using pliers) and withdraw.
Release plug-in connections of connected sensors or actuators and remove.
Remove cable clamps (1) which are secured to wiring harness (2) to be changed.
Note: Note position of cable clamps. The cable clamps must be installed in the position they were in prior to disassembly.

Using a screwdriver, open sealing clips (1) of all cable fasteners (2) and remove (arrow indicates application point of screwdriver).
Withdraw wiring harness (3) from all open cable fasteners.

Remove cylinder head covers
Release cable terminals (1) and withdraw from injector (2).
Release cable entry (3) and carefully withdraw connecting wires from cable entry.
Remove wiring harness.

More topic about MTU,please refer to https://www.car-auto-repair.com/tag/mtu-engine-repair/

auto

Recent Posts

Scania Truck ALM 000463 Motion and Inclination Detector,Calibration Fault

This instruction show you guide on how to solve Scania truck motion and inclination detector,…

2 weeks ago

How to Solve JCB Excavator C130C-13 Spool Brake Solenoid Open Circuit

This instruction show you guide on how to solve JCB excavator 140 C130C-13 spool brake solenoid…

2 weeks ago

Scania Truck ALM Alarm System ALM404 Fault in the CAN Communication Solution

Scania truck fault in the CAN communication with the chassis management system (CMS),this instruction show…

4 weeks ago

Perkins Phaser/1000 Series Engine New Water Pumps Changed

The water pumps used on all Phaser/1000 Series engines have been changed. The changes to…

4 weeks ago

Deutz Engine EMR3 Request of Engine OFF Error Solution

Here is the simple instruction on how to solve Deutz engine EMR3 trouble code 48…

1 month ago

How to Use Cat ET 2025A Power Shift Pressure Test Function?

CAT ET 2025A Power Shift Pressure Test function checks whether that the proportional reducing valve is…

1 month ago