ar4910p4945tk

Replace center muffler

Type ar · topic 49.10 · version 0104 · 2010-03-16

Applies to: ENGINE 271 in MODEL 211

Where it sits

Function group 1 Engine › 49 Exhaust system, exhaust gas cleaning › 49.10 Exhaust pipes, catalytic converter, mufflers — Series 211

EinPAS 15 Engine › 15.40 Exhaust system/exhaust aftertreatment › 15.40.41 Manifold/pipe/muffler/exhaust gas hose — Series 211

Also applies to engines/gearboxes: 271 ***

AR49.10-P-4945TK

Replace center muffler

11.3.10

ENGINE 271 in MODEL 211

Replace center muffler

P49.10-2253-09

1 Nut

2 Bracket

3 Hose clamp

4 Front exhaust system

159 Center muffler

160a Left muffler

160b Right muffler

5 Bolts

6 Seal

7 Exhaust rubber mount

Removing

Danger!

Risk of injury to skin and eyes caused by handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses.

AS00.00-Z-0002-01A

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

1

Raise vehicle with lifting platform

AR00.60-P-1000T

2

Unscrew nut (1) and take off bracket (2).

3

Detach left rear muffler (160a) from center muffler (159) by loosening hose clamp (3)

4

Dismount center muffler (159) from front exhaust system (4), for this step unscrew bolts (5)

5

Unhook and remove center muffler (159) with right rear muffler (160b) from exhaust rubber mounts (7)

Clean connecting points of combustion and corrosion residues. Replace gasket (6) and bolts (5).

If necessary, use lubricant.

Lubricant

*BR00.45-Z-1002-06A

Checking

6

Check the exhaust rubber mount (7) for wear and damage. Replace if required.

Install

7

Fix the right rear muffler (160b) with the center muffler (159) in the exhaust rubber mount (7)

8

Loosely screw down center muffler (159) and front exhaust system (4) with each other

9

Mount left rear muffler (160a) loosely at center muffler (159) using a hose clamp (3)

10

Loosely screw on the left and the right rear mufflers (160a, 160b) with a bracket (2) and nut (1)

11

Align the center muffler (159) with the right rear muffler (160b) and tighten the bolts (5)

*BA49.10-P-1006-01K

12

Align left rear muffler (160a) and tighten hose clamp (3)

*BA49.10-P-1018-01K

13

Tighten nut (1)

*BA49.10-P-1016-01K

Checking

14

Inspect installation position and clearance of exhaust system

The exhaust system must be mounted free of tension, align exhaust system if required.

Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the running engine

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

AS00.00-Z-0005-01A

15

Conduct engine test run and inspect exhaust system for leaks

Exhaust system

Number

Designation

Engine
271 in
model 211

BA49.10-P-1006-01K

Bolt connecting front exhaust system to center muffler

Nm

20

BA49.10-P-1016-01K

Self-locking nut of rear muffler reinforcement

Nm

20

BA49.10-P-1018-01K

Nut connecting rear muffler clamp to center muffler

Nm

20

Repair materials

Number

Designation

Order number

BR00.45-Z-1002-06A

Lubricating paste, rubber parts 2.5 kg, DB supply specification 6867.00

A 000 989 01 60

Referenced documents