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Home >> Mercedes Benz >> 2012 >> SL63 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> A/C Compressor >> Accessory Drive Belt & TENSIONER - 230 Chassis >> Testing & Repair >> Remove/install belt drive components - AR13.20-P-0001RMG (SL63 AMG) >> Notes

Remove/install belt drive components - AR13.20-P-0001RMG (SL63 AMG): Notes

ENGINE 156 in MODEL 230 

Fig 1: Removing/Installing Belt Drive Components
G00534104Courtesy of MERCEDES-BENZ USA
MODIFICATION NOTES

6.8.09 Value modified: guide pulley on coolant pump housing (between power steering pump and guide pulley with grooved channel profile) *BA13.25-P-1003-01U 
REMOVINGINSTALLING Remove/install     
DANGER Risk of death  caused by vehicle slipping or toppling off the lifting platform. Align vehicle between columns of lifting platform and position four support plates at lifting platform support points specified by vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of injury  caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof. Keep body parts and limbs well clear of moving parts. AS00.00-Z-0011-01A
1 Remove engine air intake duct and front engine cover    
2 Remove bottom engine compartment paneling   AR61.20-P-1105R
3 Loosen poly-V-belt (1) and remove IMPORTANT To do this turn hexagon (3) counter-clockwise and lock the poly-V belt tensioning device (6) with a drift pin (4) (5 mm diameter). AR13.22-P-3902-02AMG 
INSPECT Check     
4 Check profile of belt pulley and poly-V belt tensioning device (6) for damage and soiling  
5 Check poly-V-belt (1) for wear and damage; replace if necessary AP13.22-P-1352RX 
6 Check guide pulleys (7, 8, 9, 10) and replace if necessary
TORQUE SPECIFICATION Guide pulley to coolant pump housing (between power steering pump and guide pulley with grooved channel profile) *BA13.25-P-1003-01U 
TORQUE SPECIFICATION Guide pulley to coolant pump housing (between alternator and smooth guide pulley) *BA13.25-P-1004-01U 
TORQUE SPECIFICATION Guide pulley (between poly-V belt tensioning device and coolant pump) *BA13.25-P-1005-01U 
TORQUE SPECIFICATION Guide pulley between A/C compressor and vibration damper *BA13.25-P-1006-01U 
Carry out operation steps 7 and 8 only if removing/installing the poly-V belt tensioning device (6) 
7 Remove screw/bolts (5) and poly-V belt tensioning device (6) TORQUE SPECIFICATION Screw/bolt, poly-V belt tensioning device to timing case cover *BA13.25-P-1001-01U 
INSPECT Check     
8 Check poly-V belt tensioning device (6) for damage and soiling; replace if necessary
9 Install in the reverse order
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.
AS00.00-Z-0005-01A
10 Carry out engine test run    
BELT TENSIONING DEVICE

Number Designation   Engine 156
BA13.25-P-1001-01U Screw/bolt, poly-V belt tensioning device to timing case cover (M8) Nm 20
BA13.25-P-1003-01U Guide pulley on coolant pump housing (between power steering pump and guide pulley with grooved channel profile) Nm 30
BA13.25-P-1004-01U Guide pulley on coolant pump housing (between alternator and smooth guide pulley) Nm 20
BA13.25-P-1005-01U Guide pulley (between poly-V-belt tensioning device and coolant pump) Nm 20
BA13.25-P-1006-01U Guide pulley between A/C compressor and vibration damper Nm 30