mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Engine Mount > < AR13.25-P-3200R Remove/Install Poly V-Belt Tensioning Device
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Drive Belt Tensioner: Service and Repair
AR13.25-P-3217RVK Remove/Install Poly V-Belt Tensioning Device of Compressor

Remove/Install Tensioning Device Of Compressor Poly V-belt

Illustrated On Engine 113.992

1

Remove poly V-belt of compressor (2)         

2

Unscrew bracket of compressor cooling pipes
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Bracket for charge air cooler water pipes: 7 N.m (For Engine 113.992)

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Bracket for charge air cooler water pipes: 14 N.m (For Engine 113.990/991)

3

Unscrew bolt (4) of tensioning device of supercharger (3)
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Self-tapping bolt of belt tensioner to timing case cover
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Thread not pre-tapped: 35 N.m

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Thread pretapped: 25 N.m

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Bolt of belt tensioner to timing case cover:  35 N.m

4

Take compressor tensioning device (3) off timing case cover together with tensioning pulley (1)         

5

Install in the reverse order

 

Engine Mount > < AR13.25-P-3200R Remove/Install Poly V-Belt Tensioning Device