Connecting Rods, Checking Radial Clearance

WARNING: This page is about a different car, the 2015 Audi S7, 2015 Audi RS 7, 2014 Audi S7, 2014 Audi RS 7, and 2013 Audi S7. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools And Workshop Equipment Required

Plastigage®

Procedure

NOTE:

Use old bolts to measure radial play.

-- 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.

-- Position the connecting rod bearing cap and tighten it with an additional turn; do not turn the crankshaft, refer to -item 1- 1.

-- Install the connecting rod bearing cap.

-- Compare width of Plastigage® with calibrated scale.

Radial clearance:

New: 0.020 to 0.069 mm.
Wear limit: 0.120 mm.

-- Replace bolts for the final assembly.