Standards and Service Limits

Crankshaft bearing

Crankshaft bearing






Main Bearing Selection

Crankshaft Bore Code Location

1. Letters have been stamped on the end of the block as a code for the size of each of the five main journal bores. Write down the crank bore codes.

If you can't read the codes because of accumulated dirt and oil, do not scrub them with a wire brush or scraper. Clean them only with solvent or detergent.






Main Journal Code Location

2. The main journal codes are stamped on the crankshaft.






3. Use the crank bore codes and crank journal codes to select the appropriate replacement bearings from the following table.

NOTE: Color code is on the edge of the bearing.