Operation CHARM: Car repair manuals for everyone.

Main Bearing Clearances

Engine Block
Production Specifications
Main Bearing Bore Diameter 2.9372 - 2.9379
Crankshaft Main Journal Runout Production 0.0015 inch (max.)
Main Journal Runout Service 0.0020 inch (max.)
Journal Diameter #1, #2, #3, #4, #5 2.7482 - 2.7489 inch
Journal Taper Production 0.0004 inch (max.)
Journal Out - of - Round Production 0.0004 inch (max.)
Bearing Clearance #1, #2, #3, #4 Production 0.0008 - 0.0020
Bearing Clearance #5 Production 0.0014 - 0.0026
Bearing Clearance #1, #2, #3, #4 Service Limit 0.0008 - 0.0035
Bearing Clearance #5 Service Limit 0.0014 - 0.0040
End Play 0.0050 - 0.0110 inch