The camshaft and timing gears checked and replaced if necessary. All crankshaft and camshaft bearings should be systemically replaced.
Crankshafts checked, reground and polished. Blocks fitted with liners can be bored to the 1st repair size 75.50mm or the liners replaced.Ĭylinders must be bored and honed to accommodate new pistons. Any damaged studs on the block or head should be renewed.Įngine blocks that were not originally fitted with liners should be bored out and honed to the next repair size up to a maximum bore of 77mm. Engines rebuilt to factory specifications using genuine Mercedes-Benz parts will give many years of reliable service.Įngines to be reconditioned should be completely disassembled and chemically cleaned, the engine block and cylinder head pressure-tested and oil galleries cleaned. When overhauling an OM 636 engine, it is strongly recommended to follow the workshop procedures and guidelines prescribed by Mercedes-Benz and described in the factory workshop manual.
