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Remove/install electronic bypass valve - AR09.40-P-0001MTA

ENGINE 133 in MODEL 117, 156, 176 

Fig 1: Electronic Bypass Valve Remove/Install Components
G11065595Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Open engine hood    
2 Remove engine cover    
3 Expose purge lines on cylinder head cover INSTALLATION IMPORTANT Replace cable tie.  
4 Detach air intake pipe and place with attached purge lines to one side   AR09.10-P-8131MTA 
5 Disconnect the electrical connection (1) to electronic wastegate (3)    
6 Remove screw/bolts (2) and remove electronic wastegate (1) upwards TORQUE SPECIFICATION Bolt, electronic bypass valve to turbocharger *BA09.40-P-1012-01X 
7 Clean contact surface on ATL (4)    
8 Install in the reverse order    
INSPECT Check     
DANGER Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
9 Perform an engine test run; in doing so check engine and ATL for leaktightness and for proper operation    
TURBOCHARGER

Number Designation Engine 133
BA09.40-P-1012-01X Bolt, electronic bypass valve to turbocharger Nm 9