Exhaust Door Control Unit and Reduction Catalytic Converter Overview

Exhaust Door Control Unit and Reduction Catalytic Converter Overview






1 from the NOx Reduction Catalytic Converter

2 Seal

• Always replace.

• Installing, refer to => [ Installing the Seal Between the Exhaust Door Control Unit and NOx Reduction Catalytic Converter ].

3 Clamp

• 7 Nm

• Always replace.

• Note the installed position, refer to => [ Installed Position of the Clamp between the Exhaust Door Control Unit and NOx Reduction Catalytic Converter ].

4 Exhaust Door Control Unit (J883)

• Note the installed position.

• Heat shield and connector wire routing, refer to => [ Exhaust System Component Wire Routing ] Description and Operation.

5 Reduction Catalytic Converter

• Exhaust system, checking for leaks. Refer to => [ Exhaust System, Checking for Leaks ] Testing and Inspection.

6 Front Muffler

7 Clamping Sleeve

• Note the installed position, refer to => [ Clamping Sleeve Location ].

• Align the exhaust system free of stress. Refer to => [ Exhaust System, Installing ] Exhaust System, Installing.

• Tighten the bolts evenly.

8 Nut

• 23 Nm

Installing the Seal Between the Exhaust Door Control Unit and NOx Reduction Catalytic Converter





- Insert the seal - 2 - with the angled tab - B - in the notch - A - on the NOx reduction catalytic converter - 1 -.

- Insert the exhaust door control unit - 3 - with the retaining tab - C - in the notch - A -.

Installed Position of the Clamp between the Exhaust Door Control Unit and NOx Reduction Catalytic Converter





- Install the new clamp so the bolt is opposite the exhaust door control unit housing and the - 45 +/- 10° - angle is maintained.

Clamping Sleeve Location





- When installing the clamping sleeve, ensure that the bolt end - arrow - does not project beyond the lower edge of the clamping sleeve:

• Threaded connection points toward the right.

• Tighten the threaded connections equally to 23 Nm.