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

Crankshaft Main Bearing

Main Bearings Clearance to crankshaft Desired 0.0009-0.0001 inch
Allowable 0.0009-0.0019 inch
Bearing wall thickness Grade 1 0.0975 inch
Grade 2 0.0985 inch
Grade 3 0.0986 inch
Torque Tighten in 4 steps according to sequence
Stage 1: Bolts 1-8 18 lb. ft.
Stage 2: Bolts 9-16 30 lb. ft
Stage 3: Bolts 1-16 Additional 90 degrees
Stage 4: Bolts 17-22 18 lb. ft.