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Remove/install camshafts - AR05.20-P-6992EW

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ENGINES 272, 273 in MODEL 212 

Fig 1: Camshafts Remove/Install Components
G09974360Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
IMPORTANT The ground line on the battery must  always be detached before beginning work on the fuel system otherwise pressure will be lost in the fuel system through opening a vehicle door or the trunk lid Model 212.057  
  Remove intake camshafts     
1 Remove respective camshaft adjusters (1)   AR05.20-P-7201EWE 
2 Remove auxiliary bearing cap (2) and intake camshaft (3) TORQUE SPECIFICATION *BA05.20-P-1010-02A 
  Remove exhaust camshafts     
3 Remove respective camshaft adjusters   AR05.20-P-7201EWA 
4 Remove respective cylinder head cover Right cylinder head cover, except model 212.057 AR01.20-P-5012EL
    Right cylinder head cover, model 212.057 AR01.20-P-5012ELD
    Left cylinder head cover, except model 212.057 AR01.20-P-5013EL
    Left cylinder head cover, model 212.057 AR01.20-P-5013ELD
5 Take off auxiliary bearing cap (4) and remove exhaust camshaft (5) TORQUE SPECIFICATION *BA05.20-P-1010-02A 
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 Conduct engine test run and check engine for leaks    
CAMSHAFT, CAMSHAFT ADJUSTMENT

Number Designation Engine 272 Engine 273
BA05.20-P-1010-02A Bolt, auxiliary bearing cap to cylinder head Stage 1 Nm 8 8
Stage 2 ∠° - -