REMOVAL AND INSTALLATION <4N1>


<Except EURO5>


Pre-removal Operation
  • Under Skid Plate and Engine Room Under Cover Removal (Refer to GROUP 51 - Under Cover ).

 Post-installation Operation
  • Under Skid Plate and Engine Room Under Cover Installation (Refer to GROUP 51 - Under Cover ).




Removal steps


1.
 Exhaust centre pipe connection


2.
 Seal ring


3.
 Catalytic converter


4.
 Catalytic converter gasket

<EURO5>


caution
  • When the catalytic converter is replaced, use the M.U.T.-III to initialise the learning value (Refer to GROUP 00 - Precautions before Service, Initialisation Procedure for Learning Value in DPF System ).
  • When the catalytic converter is replaced, perform the forcible DPF regeneration after learning value in DPF system (Refer to ).
Pre-removal Operation
  • Under Skid Plate and Engine Room Under Cover Removal (Refer to GROUP 51 - Under Cover ).
  • Exhaust Gas Temperature Sensor and Exhaust differential Pressure Sensor Removal (Refer to GROUP 17 - Emission Control, DPF System Sensors ).

 Post-installation Operation
  • Exhaust Gas Temperature Sensor and Exhaust differential Pressure Sensor Removal (Refer to GROUP 17 - Emission Control, DPF System Sensors ).
  • Under Skid Plate and Engine Room Under Cover Installation (Refer to GROUP 51 - Under Cover ).




Removal steps


1.
 Exhaust centre pipe connection


2.
 Seal ring


3.
 Catalytic converter protector


4.
 Catalytic converter


5.
 Catalytic converter gasket


6.
 Exhaust pressure front pipe


7.
 Exhaust pressure rear pipe