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Home >> Mercedes Benz >> 2021 >> A220 Base >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission - 177 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install Radial Shaft Sealing Rings Of Axle Shafts >> Remove/Install Radial Shaft Sealing Rings Of Axle Shafts - AR27.40-P-0211MFC

Remove/Install Radial Shaft Sealing Rings Of Axle Shafts - AR27.40-P-0211MFC

Transmission 724.0 in model 118, 177, 247 

Fig 1: Radial Shaft Sealing Rings Of Axle Shafts Components Location - Transmission 724.0 In Model 177
G15491599Courtesy of MERCEDES-BENZ USA
G15491600Courtesy of MERCEDES-BENZ USA
CAUTION Risk of injury  to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil Wear protective gloves, protective clothing and safety glasses.
Do not pour transmission oil into beverage bottles.
AS00.40-Z-0001-01A
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
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
REMOVINGINSTALLING Remove/install     
1.1 Remove left front axle shaft. If radial shaft sealing ring on left front axle shaft is removed. AR33.30-P-0620MFA
1.2 Remove the catalytic converter. If radial shaft sealing ring on right front axle shaft is removed.
Transmission 724.0 in model 118, 177, 247
with engine 260
AR49.20-P-0100MFC
2 Remove bolts (2) and remove heat shield (3). If radial shaft sealing ring on right front axle shaft is removed.  
3 Use suitable tool to pry off radial shaft sealing ring (1) from transmission (27).    
REFER TO CAPACITIES & SPECIFICATIONS Automatic transmission fluid (ATF) (specification 236.21) NOTES
Do not damage seat surface of radial shaft sealing ring (1).
Otherwise, leaks can occur on the transmission (27).
INSTALLATION IMPORTANT Coat sealing lip of radial shaft sealing ring (1) with transmission oil.
BB00.40-P-0236-21A
    SPECIAL TOOL Drift Fig 2
INSPECT Check     
4 Check sitting surface of radial shaft sealing ring (1). NOTES
The sitting surface on the radial shaft sealing ring (1) at left or right may not exhibit any damage.
Otherwise, leaks can occur on the transmission (27).
 
5 Install in the reverse order.    
INSPECT Check     
6 Check transmission oil level, correct, if necessary.   AR27.00-P-0104MFC 
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
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
7 Perform engine test run, check transmission (27) for proper operation and leak tightness while doing so.    
Fig 2: Identifying Drift (711 589 19 15 00)
G10250279Courtesy of MERCEDES-BENZ USA