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Home >> Mercedes Benz >> 2020 >> SLC43 AMG Base >> Repair and Diagnosis >> Engine Mechanical >> Accessory Drive Belts >> Air Compressor, Belt Drives - 172 Chassis >> Testing & Repair >> Remove/Install Right Guide Pulley For Ancillaries Belt Drive - AR13.20-P-0018W

Remove/Install Right Guide Pulley For Ancillaries Belt Drive - AR13.20-P-0018W

Engine 276 in model 172 

Shown: engine 276.9 with a hydraulic power steering pump 

Fig 1: Right Guide Pulley For Ancillaries Belt Drive Components Location - Engine 276 In Model 172 (shown: Engine 276.9 With A Hydraulic Power Steering Pump)
G13841781Courtesy of MERCEDES-BENZ USA
REMOVING Remove     
1 Remove poly-V belt   AR13.22-P-1202W 
2 Remove screw/bolt of guide pulley (2)    
3 Remove guide pulley (2)    
INSPECT Check     
4 Check guide pulley (2) for damage If damage is present

Replace guide pulley (2).
 
INSTALLING Install     
5 Mount guide pulley (2)    
6 Screw in screw/bolt of guide pulley (2) TORQUE SPECIFICATION Screw/bolt, guide pulley to coolant pump *BA13.25-P-1004-01X 
7 Install poly-V belt   AR13.22-P-1202W 
BELT TENSIONING DEVICE

Number Designation Engine 276
BA13.25-P-1004-01X Screw/bolt, guide pulley to coolant Nm 35