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Home >> Mercedes Benz >> 2021 >> CLA45 AMG >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust Manifold, Emission Control System -- 118 Chassis >> Testing & Repair >> Remove/Install Exhaust Manifold - AR14.10-P-3006MFG

Remove/Install Exhaust Manifold - AR14.10-P-3006MFG

Engine 139 in model 118, 177, 247 

Fig 1: Exhaust Manifold Components Location - Engine 139 In Model 118
G16048517WARNINGCAUTIONREMOVINGINSTALLINGINSTALLATION IMPORTANTINSTALLATION IMPORTANTTORQUE SPECIFICATIONINSTALLATION IMPORTANTNOTESTORQUE SPECIFICATIONCourtesy of MERCEDES-BENZ USA
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
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  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
Notice  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVING
INSTALLING
Remove/install     
1 Remove exhaust gas turbocharger.   AR09.40-P-6020MFG
2 Remove lock washers (9). INSTALLATION IMPORTANT : Install new lock washers (9).  
3 Remove nuts (1 to 8) contrary to the tightening procedure. INSTALLATION IMPORTANT : Install new nuts (1 to 8). AR14.10-P-0000-02MFG 
    TORQUE SPECIFICATION Nut, exhaust manifold to cylinder head *BA14.10-P-1001-01R 
4 Remove exhaust manifold (10) from the cylinder head.    
5 Remove seal (11). INSTALLATION IMPORTANT : Replace seal (11).  
6 Remove corrosion and oxidation residues. NOTES Do not use any sharp-edged or pointed objects for cleaning sealing surface at cylinder head.
The sealing surfaces can be damaged otherwise.
 
7 Check stud bolts in the cylinder head for damage and loose seating. If there are problems,

replace corresponding stud bolts and glue in.
Loctite 272 sealing adhesive
*BR00.45-Z-1102-02A 
    TORQUE SPECIFICATION Stud bolt for exhaust manifold *BA01.30-P-1004-01DA 
8 Install in the reverse order.    
CYLINDER HEAD

Number Designation Engine 139
BA01.30-P-1004-01DA Stud bolt for exhaust manifold M8 Nm 15
EXHAUST MANIFOLD

Number Designation Engine 139
BA14.10-P-1001-01R Nut, exhaust manifold to cylinder head Nm 14
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1102-02A Loctite 272 sealing adhesive Henkel AG & Co. KGaA http://www.loctite.de