Connecting Rods, Checking Radial Clearance: Procedure
WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
-- 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.
-- Place connecting rod bearing cap and fasten with the old bolts -item 1-, do not turn the crankshaft.
-- Install the connecting rod bearing cap.
-- Compare width of Plastigage® with calibrated scale.
Radial clearance:
- New: 0.02 to 0.07 mm.
-- Replace connecting rod bolts.