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Home >> Mercedes Benz >> 2002 >> C240 Automatic >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust System -- 203 Chassis >> Testing & Repair >> Remove/install exhaust system complete - AR49.10-P-7000PV

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

ENGINE 112 in MODEL 203 

ENGINE 112 in MODEL 209 

ENGINE 113.968 in MODEL 209.375 /475 

ENGINE 113.987 in MODELS 209.376 up to 23.4.04, 209.476 

ENGINE 156.982 in MODEL 209.477 

Shown on model 203 

Fig 1: Identifying Complete Exhaust System Remove/Install Components - Shown On Model 203 (1 Of 2)
G04735054

Shown on model 203 

Fig 2: Identifying Complete Exhaust System Remove/Install Components - Shown On Model 203 (2 Of 2)
G04735055
REMOVINGINSTALLING Remove/install    
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
1 Lift/jack up vehicle   AR00.60-P-1000P
2 Remove engine compartment paneling   AR61.20-P-1105P
3 Remove left rear diagonal strut IMPORTANT Model 209.4 only
IMPORTANTInstallation:  The diagonal struts must only be built-in, if the vehicle is standing with the wheels on the ground.
 
4 Disconnect left O2 sensor connector, upstream of TWC (G3/3x1) and right O2 sensor connector, upstream of TWC (G3/4x1). IMPORTANT Press connectors out of brackets.  
5 Separate the left O2 sensor connector downstream of TWC (G3/5x1) O2 and the right sensor connector downstream of TWC (G3/6x1). IMPORTANT Press connectors out of brackets.  
6 Detach the front exhaust system / catalytic converter at the exhaust manifold IMPORTANTInstallation:  Install new bolts (1). Inspect rivet nuts in exhaust manifold, install new nuts if necessary: ↓  
    Replace rivet nuts in exhaust manifold. AR49.10-P-5531-01DA 
    TORQUE SPECIFICATION All except model 209.377 *BA14.10-P-1002-01B 
    TORQUE SPECIFICATION Model 209.377 *BA14.10-P-1002-01N 
    SPECIAL TOOL Caulking bolt Figure
7 Support exhaust system    
8 Unscrew bracket (2) for exhaust system on transmission by removing bolts (3) TORQUE SPECIFICATION *BA49.10-P-1007-01A 
9 Detach bracket (2) at front exhaust system/right and left catalytic converter IMPORTANTInstallation:  Check the tapping plate (4) and replace it if required. Replace nuts (5).  
    TORQUE SPECIFICATION *BA49.10-P-1008-01A 
10 Push together bracket (2)    
11 Remove bracket (6) for exhaust system on the underbody TORQUE SPECIFICATION *BA49.10-P-1010-01A 
12 Remove complete exhaust system IMPORTANTInstallation:  Check the rubber mount (7) and bracket (6), replace if required. Install exhaust system free of stress.  
REFER TO FORMS Notes on disposing of catalytic converters   OS49.10-P-1000-01A 
13 Install in the reverse order    
TORQUE SPECIFICATION EXHAUST MANIFOLD

Number Designation Engine 112 except 112.951/976 Engines 113.940/941/942/943/944/945/946/948/960/961/962/963/964/965/966/967/968/969/971/980/981/982/984/986/992/993/995 Engine 113.987/988/990/991
BA14.10-P-1002-01B Flange connection, exhaust manifold and front exhaust pipes Nm 20 20 20
TORQUE SPECIFICATION EXHAUST MANIFOLD

Number Designation Engine 156
BA14.10-P-1002-01N Flange connection for exhaust manifold/front exhaust pipe Nm 20
TORQUE SPECIFICATION EXHAUST SYSTEM

Number Designation Engines 112, 113 in model 203 Engine 112, 113 in model 209 Engine 156 in model 209
BA49.10-P-1007-01A Bolt of exhaust bracket to transmission Nm 20 20 20
BA49.10-P-1008-01A Self-locking nut to front exhaust pipe Nm 20 20 20
BA49.10-P-1010-01A Bolt securing exhaust system to underfloor Nm 20 20 -
Fig 3: Identifying Cocking Bolt (103 589 01 39 00)
G04735056