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Home >> Mercedes Benz >> 2018 >> S450 Base >> Repair and Diagnosis >> Engine Mechanical >> Accessory Drive Belts >> Air Compressor, Belt Drives - 222 Chassis >> Testing & Repair >> Remove/Install Lower Guide Pulley For Poly-V Belt Of Refrigerant Compressor - AR13.20-P-0004MNL

Remove/Install Lower Guide Pulley For Poly-V Belt Of Refrigerant Compressor - AR13.20-P-0004MNL

Engine 176 in Model 217, 222 

Shown in Model 222 without code 487 (MAGIC BODY CONTROL) 

Fig 1: Lower Guide Pulley For Poly-V Belt Of Refrigerant Compressor Components Location - Engine 176 in Model 222 (Shown Without Code 487)
G15362404Courtesy 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
REMOVINGINSTALLING Remove/install     
1 Remove the poly-V-belt (2)   AR13.21-P-1203MNL 
2 Remove screw/bolt (3b) and then guide pulley (4) downwards TORQUE SPECIFICATION Bolt, guide pulley to bracket *BA13.25-P-1003-01CA 
3 Install in the reverse order    
BELT TENSIONER

Number Designation Engine 176
BA13.25-P-1003-01CA Bolt, guide pulley to bracket Nm 20