ar4910d5000ng

Remove/install main muffler

Type ar · topic 49.10 · version 0102 · 2008-09-18

Applies to: ENGINE 271.951 in MODEL 906

Where it sits

Function group 1 Engine › 49 Exhaust system, exhaust gas cleaning › 49.10 Exhaust pipes, catalytic converter, mufflers — Series 906

EinPAS 15 Engine › 15.40 Exhaust system/exhaust aftertreatment › 15.40.41 Manifold/pipe/muffler/exhaust gas hose — Series 906

Also applies to engines/gearboxes: 271 951

AR49.10-D-5000NG

Remove/install main muffler

3.9.08

ENGINE 271.951 in MODEL 906

Remove/install main muffler

D49.10-1135-09

1 Main muffler

2 Exhaust pipe with catalytic converter

3 End pipe

7 Rubber retainers

A Marking

4 Pipe clamp

5 Pipe clamp

6 Spring disks

 	Remove/install
 Danger!	Risk of injury to skin and eyes caused by handling hot or glowing objects.	Wear safety gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
Danger!	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
1	Lift/jack up vehicle		AR00.60-D-1000H
2.1	Disconnect exhaust system between main muffler (1) and exhaust pipe with catalytic converter (2) at marking (A) using a crunching tube cutter	 On vehicles with a one piece exhaust system.
		 Installation: Connect main muffler (1) and exhaust pipe with catalytic converter (2) together using a pipe clamp (4).
			*BA49.10-N-1003-01L
		Crunching tube cutter gotis://G_58.3_06.2
2.2	Loosen pipe clamp (4)	 On vehicles with a split exhaust system.
		 Installation: Inspect pipe clamp (4), replace if necessary.
			*BA49.10-N-1003-01L
3	Loosen pipe clamp (5)	 Installation: Inspect pipe clamp (5), replace if necessary.
			*BA49.10-N-1004-01L
4	Remove spring washers (6) at main muffler mounting frame bows (1)	 Installation: Check spring washers (6); replace if necessary.
5	Unhook main muffler (1) from retaining rubber (7), pull out of exhaust tailpipe (3) and take off	 Aid of helper required.
		 Installation: Check rubber retainers (7), replace if necessary Install main muffler (1) free of tension.
6	Install in the reverse order
 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 engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
7	Perform engine test run and inspect exhaust system for leaks in the area of main muffler (1)

 Exhaust system

Number	Designation			Engine 271.951 in model 906


BA49.10-N-1003-01L	Pipe clamp, exhaust pipe with catalytic converter to main muffler		Nm	47
BA49.10-N-1004-01L	Pipe clamp connecting main muffler to end pipe		Nm	23

Referenced documents

ar0060d1000h Lift/jack up vehicle
as0000z000201a Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.
as0000z000501a 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.
as0000z001701a Risk of injury caused by scraping or cutting body parts on sharp vehicle parts