Remove/install rear muffler

AR49.10-S-4952PDA

Remove/install rear muffler

30.10.2019

Engine

699 in model 470

with code MT2 (Emissions class Euro 6d-TEMP N1 GR.III/N2)

1

Nuts

4

Elastomer bearing

6

Bolts

2

Bracket

5

Seal

7

Marking

3

Rear muffler

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

 

Remove/install

1

Raise vehicle.

AR00.60-S-1000-04P

Topical note

Special instructions for lifting and supporting vehicle

AH00.60-N-0100-01P

2

Remove nuts (1).

 Nut, rear muffler to exhaust gas aftertreatment unit

*BA49.10-N-1011-02P

3

Remove holder (2).

4

Remove rear muffler (3).

 To do this, remove rear muffler (3) from the elastomer bearings (4).
Aid of helper required.

 Installation: Install new seal (5).



Check

5

Check elastomer bearings (4) for wear and damage.

If damage is present:



replace affected elastomer bearing (4).

 When replacing:
To do so, remove the screw/bolts (6).

 Installation: The markings (7) must point in the direction of travel.

 Bolt, bracket for elastomer bearing for rear muffler to body

*BA49.10-N-1008-02P

6

Install in the reverse order.



Check

7

Check installation position and check for unobstructed movement of the rear muffler (3).

If installation position of rear muffler (3) or unobstructed movement is not correct,



Correct installation position of the rear muffler (3).

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

8

Check exhaust system for leaks with the engine running.

 Visual inspection only.

 Exhaust system

Number

Designation

Model 470, 471

BA49.10-N-1008-02P

Bolt, bracket for elastomer bearing for rear muffler to body

Nm

15

 Exhaust system

Number

Designation

Model 470, 471

BA49.10-N-1011-02P

Nut, rear muffler to exhaust gas aftertreatment unit

Nm

53