Remove/install primary catalytic converter (near-engine mounted) · ar4910p5510t · Mercedes-Benz WIS

AR49.10-P-5510T

Remove/install primary catalytic converter (near-engine mounted)

13.11.06

ENGINE 646, 647 in MODEL 211 except CODE (474) Particulate filter

Remove/install primary catalytic converter (near-engine mounted)

P49.10-2185-06

7 Bracket

7a Exhaust rubber mount

7b Nut

22 Hose clamp

23 Sealing cone

32 Hose clamp

33 Sealing cone

110 Turbocharger

111 Catalytic converter

120/1 Primary catalytic converter

	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	Remove air filter housing	Except engine 646.8	AR09.10-P-1150T
		Engine 646.8	AR09.10-P-1150TXX
2	Remove heat shield above turbocharger (110)		AR49.00-P-1000-01T
3	Dismount collar clamp (32) from turbocharger (110) to primary catalytic converter (120/1)		*211589046300
4	Remove rear bottom part of soundproofing		AR94.30-P-5300T
5	Dismount collar clamp (22) from primary catalytic converter (120/1) to catalytic converter (111)		*211589046300
6	Dismount primary catalytic converter (120/1) from bracket (7)
7	Take out primary catalytic converter (120/1) from above
	Notes on disposing of catalytic converters		OS49.10-P-1000-01A
	Install
8	Loosely mount primary catalytic converter (120/1) to bracket (7)	 Inspect exhaust rubber mount (7a) for wear, install new part if necessary.
		 Install new nut (7b).
9	Mount collar clamp (32) from turbocharger (110) to primary catalytic converter (120/1)	 Replace sealing cone (33).
10	Mount collar clamp (22) from primary catalytic converter (120/1) to catalytic converter (111)	 Replace sealing cone (23).
11	Fasten primary catalytic converter (120/1) at bracket (7)		*BA49.10-P-1007-01I
	Checking
12	Check installation position and clearance of exhaust system	 The exhaust system must be mounted free of tension, align exhaust system if required.
13	Install heat shield above turbocharger (110)		AR49.00-P-1000-01T
14	Install air filter housing	Except engine 646.8	AR09.10-P-1150T
		Engine 646.8	AR09.10-P-1150TXX
 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
15	Test run engine and check exhaust system for leaks
16	Install lower section of rear soundproofing		AR94.30-P-5300T

 Exhaust system

Number	Designation		Engine 646.8	Engine 646.951/ 961/962/ 963/966 without code 474	Engine 647


BA49.10-P-1007-01I	Self-locking nut connecting primary catalytic converter to bracket	Nm	20	20	20

Assembly tool

211 589 04 63 00

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