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Remove/install solenoid camshaft - AR05.20-P-7295ELB

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ENGINE 157, 278 in MODEL 212, 218 

ENGINE 278 in MODEL 207 

Shown on model 218.373 without code 139 (Measures for engine cooling M157/M278) 

Fig 1: Camshaft Solenoid Remove/Install Components - Shown On Model 218.373 Without Code 139
G09974386Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. No parts of the body or limbs should be within the operating area when the components are moving. AS00.00-Z-0011-01A
1 Remove engine covers (5)    
2 Remove right upper charge air duct (2) Only for removal of the right intake camshaft solenoid (Y49/5) AR09.41-P-8620ELB
3 Remove oil filter housing Vehicles with code (139) Measures for engine cooling to remove the intake camshaft solenoid on the left (Y49/4)
IMPORTANT Seal openings using stop plugs.
INSTALLATION IMPORTANT Replace sealing rings for engine oil cooling oil lines (6) and clean connection area.
AR18.20-P-3471ELB
    SPECIAL TOOL Record plug Fig 2
4 Detach oil filter housing cover (7) Only for removal of the left exhaust camshaft solenoid (Y49/6)  
REFER TO MAINTENANCE   ENGINE 278 in MODEL 207, 212, 218 AP18.00-P-0101EW
REFER TO MAINTENANCE   ENGINE 157 in MODEL 212, 218
IMPORTANT See engine oil and filter change
AP18.00-P-0101EWG
5 Disconnect electrical connection (8) from the respective solenoid (Y49/4, Y49/5, Y49/6, Y49/7)    
6 Remove screw/bolts (10) and take out the respective solenoid (Y49/4, Y49/5, Y49/6, Y49/7) from the front cover (1l, 1r)    
NOTES Notes on threaded connections with aluminum screws/bolts   AH00.00-P-0006-01RM
    INSTALLATION IMPORTANT Replace screw/bolts (10) and sealing ring of the respective camshaft solenoid (Y49/4, Y49/5, Y49/6, Y49/7).
INSTALLATION IMPORTANT Tighten to indicated torque using an insert box wrench Hazet 6609 c-E8  .
 
    TORQUE SPECIFICATION Screw/bolt, camshaft solenoid to front cover on cylinder head *BA05.20-P-1008-02A 
7 Install in the reverse order    
INSPECT Check     
8 Check engine oil level; correct if necessary    
REFER TO MAINTENANCE   ENGINE 278 in MODEL 207, 212, 218 AP18.00-P-0101EW
REFER TO MAINTENANCE   ENGINE 157 in MODEL 212, 218 AP18.00-P-0101EWG
9 Read out fault memory with STAR DIAGNOSIS and delete if necessary    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
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
10 Carry out an engine test run, checking the engine for proper operation and leaktightness    
CAMSHAFT, CAMSHAFT ADJUSTMENT

Number Designation ENGINE 157 ENGINE 278
BA05.20-P-1008-02A Screw/bolt, camshaft solenoid to front cover on cylinder head Nm 5 5
Fig 2: Identifying Record Plug (129 589 00 91 00)
G09974387Courtesy of MERCEDES-BENZ USA