Connecting Rods, Checking Radial Clearance
WARNING: This page is about a different car, the 2022 Audi S5, 2022 Audi RS 5, 2021 Audi S5, 2021 Audi RS 5, and 2020 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.
Special tools and workshop equipment required
- Plastigauge®
Procedure
- Use the old bolts for radial clearance measurement.
-- Remove the connecting rod bearing cap.
-- Clean the bearing cap and pin.
-- 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 ) OVERVIEW - PISTONS AND CONNECTING ROD - List Item: Bolts.
-- Remove the connecting rod bearing cap again.
-- Compare the width of the Plastigauge® with the measuring scale.
Radial clearance:
- New: 0.027 to 0.072 mm.
- Wear limit: 0.120 mm.
-- Replace the bolts for the final assembly.