LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2025 >> S580 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Air Intake, Turbocharging (1 Of 2) -- 223 Chassis >> Testing & Repair >> Remove/Install Overrun Mode Bypass Air Switchover Valve >> Remove/Install Right Overrun Mode Bypass Air Switchover Valve - AR09.40-P-0013SC

Remove/Install Right Overrun Mode Bypass Air Switchover Valve - AR09.40-P-0013SC

Engine 176 in model 223 

Fig 1: Right Overrun Mode Bypass Air Switchover Valve Components Location - Engine 176 In Model 223
G16190092Courtesy 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
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
Topical note  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Remove the right air filter housing (1). INSTALLATION IMPORTANT : Do not install upper engine cover until after the leak test. AR09.10-P-1152SC 
2 Release and disconnect the overrun mode bypass air switchover valve (Y101/4).    
3 Remove screw (1). TORQUE SPECIFICATION Screw, cable duct to cylinder head cover/charge air cooler/heat shield, right *BA15.18-P-1003-01G 
4 Remove screws (2). TORQUE SPECIFICATION Screw, cable duct to cylinder head cover/charge air cooler/heat shield, right *BA15.18-P-1003-01G 
5 Unclip vacuum line (4) and place outside the working area.    
6 Remove screws (5). TORQUE SPECIFICATION Screw/bolt, bypass air switchover valve to charge air cooler *BA09.41-P-1012-01X 
7 Press the cable duct (3) out of the working area and remove the overrun mode bypass air switchover valve (Y101/4). INSTALLATION IMPORTANT : Wet sealing ring with lubricant.
Lubricant, rubber assembly 1 L
*BR00.45-Z-1010-06A 
INSPECT Check     
8 Check the sealing ring of the overrun mode bypass air switchover valve (Y101/4) for damage. When reusing the overrun mode bypass air switchover valve (Y101/4).
If damage is present,

Replace the overrun mode bypass air switchover valve (Y101/4).
 
9 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
10 Perform engine test run. While doing so, check engine for proper operation and leak tightness.    
CHARGE AIR LINE/CHARGE AIR COOLING

Number Designation Engine 176
BA09.41-P-1012-01X Screw/bolt, bypass air switchover valve to charge air cooler Nm 8
ENGINE WIRING HARNESS

Number Designation Engine 176
BA15.18-P-1003-01G Screw, cable duct to cylinder head cover/charge air cooler/heat shield, right Nm 9
REPAIR MATERIALS

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