The crankshaft runs on five bearing and has a counterweight for each cylinder. The central main bearing has two bearing half shells which guide the crankshaft along its axis as well as adjusting the end float.
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1
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Crankshaft main bearing
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2
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Crankshaft thrust main bearing
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3
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Crankshaft
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4
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Woodruff key
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5
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Crankshaft main bearing-lower
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6
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Crankshaft main bearing cap
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7
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Main bearing cap bolt
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The connecting rods are numbered one to four starting at the timing belt end. It is practically impossible to mix up the connecting rod bearing caps and connecting rods since the connecting rod bearing caps are broken away from the connecting rod during production. The fracture profile of a connecting rod bearing cap therefore only fits one of the connecting rods.
