Overview - Piston And Connecting Rod: Notes

WARNING: This page is about a different car, the 2015 Audi RS 5, 2014 Audi RS 5, and 2013 Audi RS 5. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Lubricate All Bearings And Running Surfaces.

Oil Injector Jet For Piston Cooling. Refer To Figure.

Fig 1: Exploded View Of Pistons And Connecting Rod

Courtesy of AUDI OF AMERICA, LLC

Bolts
- 40 Nm +120° turn
- Replacing
- Lubricate The Thread And Contact Surface.
Connecting Rod Bearing Cap
- Mark For Installation Later
- Mark Affiliation To Cylinder With Paint. Refer To Figure
- Installation Position Of Connecting Rod Pairs. Refer To Figure
Bearing Shells
- Make Sure The Tabs Are Tight
- Always Replace If Removed
- Oversized Bearings Are Available For Reworked Crankshaft Connecting Rod Journals.
Connecting Rod
- Always Replace As A Set.
- Mark Affiliation To Cylinder With Paint. Refer To Figure
- Installation Position Of Connecting Rod Pairs. Refer To Figure
- Axial Play For Each New Connecting Rod Pair: 0.16 To 0.29 mm
- Radial Play, Measuring. Refer To CONNECTING RODS, CHECKING RADIAL CLEARANCE .
Locking Ring
- Quantity: 2
- Replacing
Piston Pin
- Removing And Installing. Refer To PISTONS, REMOVING AND INSTALLING .
Piston
- Removing And Installing. Refer To PISTONS, REMOVING AND INSTALLING .
- Check Piston And Cylinder Bore. Refer To PISTONS AND CYLINDER BORE, CHECKING .
- Installed Position. Refer To Figure
Piston Rings
- Measuring The Gap. Refer To Figure
- Measuring Side Clearance. Refer To Figure
- Use Piston Ring Pliers (Commercially Available) For Removing And Installing
- Installed Position: The "TOP" Marking Or Side With Writing Faces The Piston Crown.
- Offset Gaps By 120°
Alignment Pin
- Quantity: 2
- Make The Connecting Rod Bearing Cap Fits Securely