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Remove/Install Filler Neck For Engine Oil - AR01.40-P-0004MNP

Engine 177 In Model 167 

Fig 1: Filler Neck For Engine Oil Components Location - Engine 177 In Model 167
G14785785Courtesy of MERCEDES-BENZ USA
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
Topical note  Notes on threaded connections with aluminum screws/bolts   AH00.00-P-0006-01RM
Topical note  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Remove left air filter housing. INSTALLATION IMPORTANT : Only install upper engine cover after the leak test. AR09.10-P-1151MNP
2 Remove charge air hose (1) from exhaust gas turbocharger. SPECIAL TOOL Hose clamp pliers Fig 2
3 Remove purge line (2) from valve (3) and place to one side.    
4 Remove expansion reservoir of the low-temperature circuit and place to one side with connected lines.   AR09.41-P-0001MNP
5 Remove screws (6) and remove filler neck (4) from cylinder head cover. INSTALLATION IMPORTANT : Replace seal and wet with lubricant.
TORQUE SPECIFICATION Bolt, filler neck to cylinder head cover
*BA01.20-P-1006-01J 
    Lubricant, rubber assembly 1 L *BR00.45-Z-1010-06A 
    SPECIAL TOOL Assembly tool Fig 3
6 Reuse form seal (5) and cap of filler neck (4). When replacing filler neck (4).  
7 Install in the reverse order.    
INSPECT Check     
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
8 Perform engine test run. While doing so, check engine for proper operation and leak tightness.    
CRANKCASE VENTILATION SYSTEM, CYLINDER HEAD COVER

Number Designation Engine 177
BA01.20-P-1006-01J Bolt, filler neck to cylinder head cover Nm 9
Fig 2: Identifying Hose Clamp Pliers (454 589 00 37 00)
G14785786Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Assembly Tool (000 589 93 63 00)
G14785787Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1010-06A Lubricant, rubber assembly 1 L A 000 989 03 67