Main Bearing Journal Clearance
CRANKSHAFT MAIN BEARING JOURNAL CLEARANCENote:
^ Crankshaft main bearing journals must be within specifications before checking journal clearance.
1. Remove the crankshaft main bearing caps and crankshaft main bearing.
2. Lay a piece of Plastigage across the face of each crankshaft main bearing surface.
Note:
^ Do not turn the crankshaft while carrying out this procedure.
3. Install and remove the crankshaft main bearing cap.
4. Verify the crankshaft journal clearance.
If it is out of specification, install new components as necessary.