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SI18.00-P-0010A Service Information: oil sludge 26.3.01 ENGINE 111 in MODELS 124, 163, 170, 202, 203, 208, 210 ENGINE 112 in MODELS 129, 163, 170, 202, 203, 208, 210, 220 ENGINE 112, 113 in MODEL 463 ENGINE 113 in MODELS 129, 163, 202, 208, 210, 215, 220 ENGINE 137 in MODEL 215, 220 ENGINE 166 in MODEL 168 Oil sludging in gasoline engines with ASSYST maintenance Recently we have determined that time and time again oil sludging occurs in gasoline engines with an ASSYST maintenance Oil sludging can lead to the following complaints: D engine oil consumption D engine smoke (white/blue) D influencing of oil level indicator D clogged oil filter, engine oil thickened like jelly D Check engine lamp illuminated D oil sludge visible during assembly job, e.g. in oil filter, in cylinder ----------------------------------------------------------------------------------------- The following list of causes may lead individually or as a combination D Crankcase ventilation inoperable, function orifices, bores, The mechanical condition of the engine is always to be ----------------------------------------------------------------------------------------- D The engine oil used does not comply with the specifications in Use of engine oils with best possible resistance to formation of D Sludging after adding a fuel or engine oil special additive. Do not use fuel or engine oil special additives. More information D Engine oil change not performed according to ASSYST ----------------------------------------------------------------------------------------- Comply with engine oil and filter change as under ASSYST D Fuel grade lies outside standard (regionally contingent). If Operation with fuel, e.g. as under DIN EN 228. Clarify refueling D Radiator antifreeze penetration into engine oil, e.g. through an Rectify coolant leakage. Clean all sludged engine parts, in ----------------------------------------------------------------------------------------- Copyright DaimlerChrysler AG 20.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services. Page 1 |