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Home >> Mercedes Benz >> 2013 >> S400 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> A/C Compressor >> Air Compressor, Belt Drives - 221 Chassis >> Testing & Repair >> Remove/install poly V-belt tensioning device - AR13.25-P-3200SXI

Remove/install poly V-belt tensioning device - AR13.25-P-3200SXI

ENGINE 642 in MODEL 221 

Fig 1: Identifying Poly V-Belt Tensioning Device Remove/Install Components
G10126579Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the running engine Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.
AS00.00-Z-0005-01A
1 Remove engine cover   AR01.10-P-2405SXI
2 Remove poly-V-belt   AR13.22-P-1202SXI 
3 Unscrew bolt (2) of poly-V-belt tensioning device (1) TORQUE SPECIFICATION Bolt connecting poly-V-belt tensioning device to crankcase *BA13.25-P-1001-01T 
4 Remove poly-V-belt tensioning device (1)    
5 Install in the reverse order    
BELT TENSIONING DEVICE

Number Designation Engine 642
BA13.25-P-1001-01T Bolt connecting poly-V-belt tensioning device to crankcase Nm 58