LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2025 >> S580 >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Air Intake, Turbocharging (1 Of 2) -- 223 Chassis >> Testing & Repair >> Remove/Install Divert Air Switchover Valve >> Remove/Install Divert Air Switchover Valve - AR09.40-P-3000SB

Remove/Install Divert Air Switchover Valve - AR09.40-P-3000SB

Engine 256.9 in model 223 

Fig 1: Divert Air Switchover Valve Components Location - Engine 256.9 In Model 223
G16190093Courtesy 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  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
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notice  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
Notice  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
REMOVINGINSTALLING Remove/install     
1 Remove upper engine cover.    
REFER TO MAINTENANCE     AP01.10-P-2405-01OB
2 Remove screw (2). TORQUE SPECIFICATION Bolt, breather adapter to exhaust gas turbocharger *BA01.20-P-1014-01L 
3 Remove bleed line (3) from exhaust gas turbocharger (1) and seal exposed openings with suitable stop plugs. SPECIAL TOOL Record plug Fig 2
4 Release and disconnect electrical connection at bypass air switchover valve (Y101).    
5 Remove screws (4). INSTALLATION IMPORTANT : Replace screws (4).
TORQUE SPECIFICATION Bolt, switchover valve to turbocharger
*BA09.40-P-1013-02MRT 
6 Remove overrun mode bypass air switchover valve (Y101) and seal opening with lint-free rag.    
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 danger zone. 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, CYLINDER HEAD COVER

Number Designation Engine 256.9
BA01.20-P-1014-01L Bolt, breather adapter to exhaust gas turbocharger Nm 8
TURBOCHARGER

Number Designation Engine 256.9
BA09.40-P-1013-02MRT Bolt, switchover valve to turbocharger Nm 7
Fig 2: Identifying Record Plug (129 589 00 91 00)
G09975019Courtesy of MERCEDES-BENZ USA