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Remove/install left exhaust manifold - AR14.10-P-3930CMG

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ENGINE 156 in MODEL 204, 212 

Shown on model 211 

Fig 1: Left Exhaust Manifold Remove/Install Components
G09974985Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER Risk of injury  caused by fingers being pinched or crushed  when removing, installing or aligning hoods, doors, trunk lids, liftgates or sliding roof Keep body parts and limbs well clear of moving parts. AS00.00-Z-0011-01A
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 Switch off ignition    
2 Remove left engine mount and left engine support   AR22.10-P-1260CMG
3 Push engine carefully to the right side IMPORTANT In order to improve accessibility of nuts (2) on the exhaust manifold (1).  
4 Detach refrigerant intake line at A/C compressor and place outside the working area INSTALLATION IMPORTANT Replace seal rings of refrigerant intake line and moisten with compressor oil.
IMPORTANT Seal opening with stop plugs.
 
Engine 156 in Model 204 AR83.55-P-5300CMG
    SPECIAL TOOL Fig 2
5 Unscrew nuts (2) at exhaust manifold (1) IMPORTANT Check studs for damage and replace if necessary.
INSTALLATION IMPORTANT Replace nuts and gaskets.
 
    TORQUE SPECIFICATION *BA14.10-P-1001-01N 
6 Remove exhaust manifold (1) from the bottom    
7 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
8 Test run engine and check exhaust system for leaks    
EXHAUST MANIFOLD

Number Designation Engine 156
BA14.10-P-1001-01N Nut, exhaust manifold to cylinder head Nm 22
Fig 2: Identifying Set Of Stop Plugs (129 589 00 91 00)
G09974986Courtesy of MERCEDES-BENZ USA