Concorde V6-2.7L VIN R (1998)
Main Bearing Selection Chart-2.7L
Use the Main Bearing Selection Chart to properly select the main bearings. For an example, if the main bore grade is 3 and the journal grade is 2, the
proper select fit bearing would be (2) +0.003 mm (+0.0002 inch).
Figure 17 Main Bearing Grade Marks
NOTE: Service main bearings have a number from 1 - 5 marked in ink on the bearing surface. For verification, use the Main Bearing Selection Chart
for number to size identification.
The upper main bearing has a oil feed hole and a center groove to allow lubrication of the main journal and must be properly positioned in the block.
