500SL (129.067) V8-5.0L (119.972) (1993)
Drive Belt: Service and Repair
1ST Version
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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All models: slacken bolt (16), about 1/4 to 1/2 turns.
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Slacken tensioning nut (6), turn to the left.
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Take off poly V-belt.
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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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Turn setting pointer (13) to marking (1).
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Install poly V-belt, starting at tensioning pulley (1), refer to Poly Drive Belt Routing. See: Diagrams
CAUTION: Do not use belt wax or similar products.
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Tighten tensioning nut (12) until setting pointer (13) is located between the markings (2).
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Tighten bolt (16) to (100 Nm).
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Examine seat of belt on belt pulleys.