Connecting Rod, Measuring Radial Clearance
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 connecting rod bearing cap.
-- Clean the bearing cap and journal.
-- Place the Plastigage® over the entire width of the bearing journal or into the bearing shells.
-- Mount the connecting rod bearing cap and tighten the old bolts to 50 Nm without tightening further. Do not turn crankshaft.
-- Install the connecting rod bearing cap.
-- Compare width of Plastigage® with calibrated scale.
Radial clearance:
- New: 0.010 to 0.052 mm.
- Wear limit: 0.120 mm.
-- Replace connecting rod bolts.