Crankshaft & Main Bearings
WARNING: This page is about a different car, the 2001 Ford Pickup, 2001 Ford Econoline, 2000 Ford Pickup, and 2000 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
- When checking main bearing clearance in vehicle, position a jack under adjoining bearing counterweight being checked. Remove only one main bearing cap at a time.
- Use Plastigage to check main bearing clearance. If proper oil clearance cannot be obtained, machine or replace crankshaft as necessary. Always replace bearings in pairs. See CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS table under ENGINE SPECIFICATIONS.
- Install all bearing caps except thrust bearing cap (No. 3 from front of engine). Tighten main bearing cap bolts to specification. See TORQUE SPECIFICATIONS . Install No. 3 bearing cap and tighten bolts finger tight.
- Pry crankshaft forward and pry No. 3 bearing cap to rear of engine to align thrust bearing. While retaining forward pressure on crankshaft, tighten bearing cap to specification. See TORQUE SPECIFICATIONS .
- Ensure crankshaft end play is within specification. Replace thrust bearing if end play is not within specification. See CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS table.