Crankshaft, Measuring Radial Clearance

WARNING: This page is about a different car, the 2009 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Plastigage®

Procedure

NOTE:

Marked the used bearing for installation later, but not on the running surface.

Replace bearing shells that are worn down to the base layer.

-- 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 secure it with the old bolts. Refer to Figure. Do not turn crankshaft.

-- 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 bolts for the final assembly.