Connecting Rods, Checking Radial Clearance
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Audi S7, 2018 Audi RS 7, 2017 Audi S7, 2017 Audi RS 7, and 2016 Audi S7. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools And Workshop Equipment Required
- Plastigauge®
NOTE:
Use old bolts to measure radial play.
-- Remove the connecting rod bearing cap.
-- Clean the bearing cap and journal.
-- Place the Plastigauge® 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 ) PISTON AND CONNECTING ROD-.
-- Install the connecting rod bearing cap.
-- Compare width of Plastigauge® with calibrated scale.
Radial Clearance:
- New: 0.020 to 0.069 mm.
- Wear limit: 0.120 mm.
-- Replace bolts for the final assembly.