Additional testing during an engine repair on the crankshaft, on main bearing and connecting rod bearing · ar0320w0002a · Mercedes-Benz WIS

AR03.20-W-0002A

Additional testing during an engine repair on the crankshaft, on main bearing and connecting rod bearing

06.08.2014

ENGINE	457.9 in MODEL 374, 375, 940, 942, 943, 944, 958
ENGINE	541.9 in MODEL 930, 932, 933, 934, 950, 952, 953, 954
ENGINE	542.9 in MODEL 930, 932, 934, 950, 952, 954

	Check
1	Remove oil filter element and check slats of oil filter element from outside for metal abrasion and swollen condition	Only in case of extreme wear or damage to the engine components.
		Engine 457.9 in model 374.60/65/68/69, 375, 940, 942, 943, 944	AP18.00-W-0101C
		Engine 541.9, 542.9	AP18.00-W-0101A
		 Engine 457.9 in model 374.631, 958 No instructions were created yet for these variants.
2	Replace oil-water heat exchanger	Only if there is metal abrasion on the oil filter element lamella or in the engine oil circuit.
		ENGINE 457.9	AR18.30-W-6840C
		Engine 541.9, 542.9 in model 930, 932, 933, 934	AR18.30-W-6840G
		Engine 541.9, 542.9 in model 950, 952, 953, 954	AR18.30-W-6840B
3	Remove oil pump, disassemble and check for wear through a visual inspection	Only when an increased amount of metal abrasion is found on oil filter element lamella.
		ENGINE 457.9	AR18.10-W-6020C
		Engine 541.9, 542.9 in model 930, 932, 933, 934	AR18.10-W-6020G
		Engine 541.9, 542.9 in model 950, 952, 953, 954	AR18.10-W-6020B
4	Fill engine oil circuit	Only if the engine was repaired due to crankshaft damage.
		ENGINE 457.9	AR18.00-W-1600C
		Engine 541.9, 542.9 in model 930, 932, 933, 934	AR18.00-W-1600G
		Engine 541.9, 542.9 in model 950, 952, 953, 954	AR18.00-W-1600B
5	Replace engine oil and oil filter element	Only in case of metal abrasion or swollen oil filter element (coolant in engine oil circuit).
		Engine 457.9 in model 374.60/65/68/69, 375, 940, 942, 943, 944	AP18.00-W-0101C
		Engine 541.9, 542.9	AP18.00-W-0101A
		 Engine 457.9 in model 374.631, 958 No instructions were created yet for these variants.

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