Rod Bearing

Inspect/Test/Replace

Perform a cylinder leakage test or compression test to determine the cause of high oil consumption.

As each piston is fitted to the rod, double-check the bearing clearances.

  • Rod bearing clearance can be check by installing the rod bearings into the connecting rods and torquing the cap bolts to specifications.
  • Measure the inside diameter of the bearing and the outside diameter of its crankshaft journal.
  • Compute the difference between these readings, and divide it by two to obtain the oil clearance.
  • An alternative to the above method is to use a plastigage.

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