Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

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