Crankshaft, Measuring Radial Clearance: Procedure

WARNING: This page is about a different car, the 2010 Audi A5, 2009 Audi A5, and 2008 Audi A5. However, it is still accessible from the selected car via links, so may be relevant.

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.