Remove/install exhaust system

AR49.10-P-7142MNC

Remove/install exhaust system

20.09.2019

Model

190.379/380/477/478/479/480 with engine 178

Shown on model 190.379

1

Clamps

4

Positioning motors

2

Rubber mount

5

Bracket

3

Bracket

Shown on model 190.379

7

Reinforcement

9

Reinforcement

8

Reinforcement

 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 self-locking nuts and bolts

AH00.00-N-0001-01A

 

Remove/install

1

Remove rear underfloor paneling.

AR61.30-P-1001RG

2

Remove reinforcements (8, 9).

 Bolt/nut, rear reinforcement below exhaust system to crossmember/thrust arm

*BA61.10-P-1006-01I

 Bolt/nut, rear reinforcement under exhaust system to longitudinal member

*BA61.10-P-1003-01I

3

Support exhaust system with major assembly mount.



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B

4

Release and disconnect electrical connectors at actuator motors (4).

5

Open clamps (1).

 Installation: Replace clamps(1).

 Bolt, rear muffler clamp to pipe

*BA49.10-P-1005-01AG

6

Remove screws at brackets (3).

 Bolt for exhaust system suspension fastening at the rear

*BA49.10-P-1003-01AG

7

Remove right and left heat shield under brackets (5).

Model 190.477/478 with engine 178

8

Remove screws from brackets (5).

 Bolt for exhaust system suspension fastening at the rear

*BA49.10-P-1003-01AG

9

Remove reinforcement (7).

 Bolt, rear reinforcement to frame floor assembly

*BA61.10-P-1002-01I

 Bolt, front reinforcement on frame floor assembly

*BA61.10-P-1001-01I

10

Detach exhaust system at catalytic converters and remove.

 Aid of helper required.

11

Install in the reverse order.

 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

12

Perform engine test run and check exhaust system in terms of leak tightness.

 Exhaust system

Number

Designation

Engine 178 in model 190

BA49.10-P-1003-01AG

Bolt for exhaust system suspension fastening at the rear

Nm

20

 Exhaust system

Number

Designation

Engine 178 in model 190

BA49.10-P-1005-01AG

Bolt, rear muffler clamp to pipe

Nm

35

 Frame floor assembly

Number

Designation

Model 190

BA61.10-P-1001-01I

Bolt, front reinforcement on frame floor assembly

Nm

50

 Frame floor assembly

Number

Designation

Model 190

BA61.10-P-1002-01I

Bolt, rear reinforcement to frame floor assembly

Nm

50

 Frame floor assembly

Number

Designation

Model 190

BA61.10-P-1003-01I

Bolt/nut, rear reinforcement under exhaust system to longitudinal member

Nm

20

 Frame floor assembly

Number

Designation

Model 190

BA61.10-P-1006-01I

Bolt/nut, rear reinforcement below exhaust system to crossmember/thrust arm

Nm

22