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Remove/Install Oil Separator On Crankcase - AR01.20-P-9692MRI

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Engine 264 in model 205, 253 

except code 460 (Canada version) 

except code 494 (US version) 

except code 835 (South Korea version) 

except code 945 (China Stage 6 exhaust treatment) 

MODIFICATION NOTES

24.04.2020 Method completely revised. Operation steps 1 to 11.  
Fig 1: Oil Separator On Crankcase Components Location - Engine 264 In Model 253 Except Codes 460; 494; 835 And 945
G14470551Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
CAUTION Risk of injury  to skin and eyes due to handling of Engine oil. Risk of poisoning  caused by swallowing Engine oil Wear protective gloves, protective clothing and safety glasses.
Do not fill Engine oil into beverage containers.
AS18.00-Z-0001-01A
Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1.1 Remove the alternator (G2). Engine 264 in model 205, 253
except code 460 (Canada version)
except code 494 (US version)
except code 835 (South Korea version)
except code 945 (China Stage 6 exhaust treatment)
except code B01 (48V technology)
AR15.40-P-5032MRI
1.2 Remove starter-alternator (M1/10). Engine 264 in model 205, 253
with code B01 (48V technology)
except code 460 (Canada version)
except code 494 (US version)
except code 835 (South Korea version)
except code 945 (China Stage 6 exhaust treatment)
AR15.40-P-5060MRI
2 Remove left front Engine carrier. INSTALLATION IMPORTANT Only install lower Engine compartment paneling after leak test. AR22.10-P-4325LWA
3 Remove bleed line (4) from oil separator (1).    
4 Release noise insulation (3) from crankcase until screws (2) can be accessed.    
5 Remove screws (2) in the opposite order to the tightening procedure and remove oil separator (1). IMPORTANT Observe tightening procedure. AR01.20-P-9692-01MRK
    TORQUE SPECIFICATION Bolt, oil separator to crankcase *BA01.20-P-1002-03B 
INSPECT Check     
6 Check O-ring of bleed line (4). If problems exist at O-ring
↓
Replace O-ring.
 
7 Check seal of oil separator (1). If problems exist at seal
↓
Replace oil separator (1).
 
8 Install in the reverse order.    
  Concluding tasks     
9 Check and correct Engine oil level.    
REFER TO MAINTENANCE     AP18.00-P-1812MKI
WARNING Risk of burn injuries  , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning  caused by skin contact with solid components of the exhaust. Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area. AS49.00-Z-0001-01A
WARNING 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 Engine test run and check Engine for proper operation and leak tightness.    
11 Install lower Engine compartment lining.   AR61.20-P-1105LW
CRANKCASE VENTILATION SYSTEM, CYLINDER HEAD COVER

Number Designation Engine 264
BA01.20-P-1002-03B Bolt, oil separator to crankcase Nm 9