S 500 Sedan (140.051) V8-5.0L (119.980) (1996)
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Drive Belt Tensioner: Testing and Inspection
1st Version
Preparation
Tensioning device removed, refer to Service and Repair.
Overview
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Fix tensioning device (1) in place at flats (arrow) in a suitable vice.
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Turn tensioning device (1) about 30° to both sides.
NOTE: The tensioning device (1) must move back into its initial position after being turned.
