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Home >> BMW >> 1982 >> 733i Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 528E, 633CSI & 733I 6-Cylinder >> Crankshaft Main & Connecting Rod Bearings >> Connecting Rod Bearings

Connecting Rod Bearings

  1. Use Plastigage method to measure connecting rod bearing clearances. Measure clearances 1 at a time.
  2. Mark connecting rod and cap for cylinder identification before removing caps. Wipe oil from surfaces to be checked. DO NOT allow crankshaft to turn once Plastigage and cap is in place. Tighten cap to specification.
  3. Remove rod cap. Measure flattened width of Plastigage with scale furnished to determine clearance. Whenever rod bearing caps are removed, rod cap bolts and nuts should be replaced.
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