Radial clearance of connecting rod, checking
WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Special tools, testers and auxiliary items required
- Plastigage
Work procedure
- Remove connecting rod bearing cap. Clean bearing cap and journal.
- Place Plastigage over entire width of bearing journal or into bearing shells.
- Install connecting rod bearing cap and tighten to 30 Nm. Do not turn crankshaft.
- Remove connecting rod bearing caps again.
- Compare width of Plastigage with measuring scale:
- Radial clearance, new: 0.010 to 0.052 mm.
- Radial clearance wear limit: 0.12 mm.
- Replace bolts for connecting rod bearings.