S 500 Sedan (140.051) V8-5.0L (119.980) (1996)
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Drive Belt: Service and Repair
2ND and 3RD Versions
Preparation
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Open hood. raise to vertical position.
Overview
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Model 124: remove fan shroud, install.
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Models 129 and 140: take off fan shroud ring, place over fan, fit on.
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2nd version: swivel hexagon head (3) an tensioning arm (2) counter-clockwise with wrench (WAF 17).
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3rd version: swivel Torx (E10) in tensioning pulley counter-clockwise.
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All models: take off poly V-belt (11).
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Examine belt pulley surfaces for signs of damage and dirt, replace if necessary (e. g. worn bearing points of tensioning device, dents in belt pulleys
etc.).
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Install Poly V-belt (11), refer to Poly Drive Belt Routing. See: Diagrams
CAUTION: Do not use belt wax or similar products.
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Examine seat of belt on belt pulleys.