Crankshaft, Measuring Radial Clearance
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Special tools and workshop equipment required
- Plastigage®
Procedure
-- Remove the guide frame and clean the bearing journals.
-- Place the Plastigage® over the entire width of the bearing journal or into the bearing shells.
- Plastigage® must rest in center of bearing shell.
-- Position the guide frame and tighten the old bolts to the final tightening specification (See Figure). Do not turn the crankshaft when doing this.
-- Install the guide frame.
-- Compare width of Plastigage® with calibrated scale.
Radial clearance:
- New: 0.015 to 0.055 mm.
- Wear limit: 0.080 mm.
-- Replace the guide frame bolts that are tightened with an additional turn.