Crankshaft, Measuring Radial Play
WARNING: This page is about a different car, the 2012 Audi S5, 2011 Audi S5, and 2010 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.
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 it to 50 Nm without tightening it further; do not turn the 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.