When New Cylinder Block and Crankshaft are Used:
WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
- "Main Bearing Selection Table" rows correspond to bearing housing grade on rear left side of cylinder block.
- If there is a corrected stamp mark on the cylinder block, use it as a correct reference.
- Apply journal diameter grade stamped on crankshaft front side to column in "Main Bearing Selection Table".
- Find value at crossing of row and column in "Main Bearing Selection Table".CAUTION:
- There are two main bearing selection tables. One is for odd-numbered journals (1, 3, and 5) and the other is for even-numbered journals (2 and 4). Make certain to use the appropriate table. This is due to differences in the specified clearances.
- Apply the symbol obtained to "Main Bearing Grade Table" to select.NOTE:
- Service parts are available as a set of both upper and lower.
When Cylinder Block and Crankshaft are Reused:
- Measure inner diameter of cylinder block main bearing housing and outer diameter of crankshaft journal.
- Apply measurement in above step 1 to the "Main Bearing Selection Table".
- Follow steps 3 and 4 in "When New Cylinder Block and Crankshaft are Used".