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Remove/install exhaust system complete - AR49.10-P-7000GZB

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ENGINES 642 in MODEL 164 

Fig 1: Removing/Installing Complete Exhaust System (1 Of 5)
G00544469Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 2: Removing/Installing Complete Exhaust System (2 Of 5)
G00544470Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 3: Removing/Installing Complete Exhaust System (3 Of 5)
G00544471Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 4: Removing/Installing Complete Exhaust System (4 Of 5)
G00544472Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 5: Removing/Installing Complete Exhaust System (5 Of 5)
G00544473Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REMOVINGINSTALLING 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
NOTES Notes on self-locking nuts and bolts All models AH00.00-N-0001-01A
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. AS00.00-Z-0010-01A
     
1 Raise vehicle AR00.60-P-1000GZ
2 Support exhaust system (1) with transmission jack and transmission plate    
3 Detach exhaust system (1) at transmission bracket by undoing bolts (2) TORQUE SPECIFICATION *BA14.40-P-1005-01B 
4 Undo nuts (4) and remove exhaust system (1) from transfer case bracket IMPORTANTInstallation:  Clean connecting points free of combustion and corrosion residues.  
TORQUE SPECIFICATION *BA49.10-P-1003-01U 
5 Loosen hose clamps (3) and seal off hoses    
6 Unclip connector O2 for sensor upstream TWC (G3/2x1) and electrical cable (5) from clip (6)    
7 Remove bolt (7) and detach exhaust system (1) from primary catalytic converter IMPORTANTInstallation:  Clean connecting points free of combustion and corrosion residues.  
    TORQUE SPECIFICATION *BA49.10-P-1005-01U 
8 Unclip TWC temperature sensor connector (11) and electrical line on TWC temperature sensor (B19)    
9 Unclip temperature sensor connector upstream of diesel particulate filter (B19/9x1) and electrical cable for temperature sensor upstream of diesel particulate filter (B19/9)    
10 Remove bolts (8) from outer exhaust rubber bearing (9) TORQUE SPECIFICATION *BA49.10-P-1008-01U 
11 Remove bolts from inner exhaust rubber bearing (10) TORQUE SPECIFICATION *BA49.10-P-1011-01U 
12 Remove exhaust system (1) With the aid of a helper.  
INSPECT Checking     
13 Check inner exhaust rubber mount (10) and outer exhaust rubber mount (9) IMPORTANT Check exhaust rubber mount for wear, replace if required.
Installation:  Coat exhaust rubber mount with liquid lubricant for easier installation.
Lubricant paste
*BR00.45-Z-1002-06A 
14 Install in the reverse order    
INSPECT Checking     
15 Check installation position and clearance of exhaust system IMPORTANT The exhaust system must be installed exhaust system free of stress, if necessary: Align exhaust system  
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
16 Test run engine and check exhaust system for leaks  
EXHAUST SYSTEM

Number Designation Engine 642 in model 164 without code U42
BA49.10-P-1003-01U Self-locking nut, diesel particulate filter to transfer case bracket Nm 20
BA49.10-P-1005-01U Bolt, primary catalytic converter hose clamp to catalytic converter Nm 20
BA49.10-P-1008-01U Bolt, exhaust rubber mount bracket (outer) to bumper bracket Nm 12
BA49.10-P-1011-01U Bolt, exhaust rubber mount bracket (inner) to body Nm 20
DIESEL PARTICULATE FILTER

Number Designation Engine 642 with code 474
BA14.40-P-1005-01B Nut, diesel particulate filter to bracket 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