S 500 Coupe (140.070) V8-5.0L (119.980) (1997)
23. Tighten conrod bolts. See: Connecting Rod/Service and Repair
24. Measure conrod bearing axial play.
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Inspect clearance of conrods in piston.
CAUTION:
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Disassemble oil pump, clean, replace if necessary.
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Replace oil delivery valve.
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Clean oil filter, carefully clean air-oil cooler or replace.
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Install initial operation oil filter element.
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Change engine oil and oil filter element after 1000-1500 km.