Crankshaft, Component Overview

WARNING: This page is about a different car, the 2009 Audi S8, 2008 Audi S8, and 2007 Audi S8. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For performing work, secure engine using bracket VAS 6095/1-7 on Engine and Transmission Holder VAS 6095 → Engine, Securing to Engine and Transmission Holder .

Fig 1: Crankshaft, Component Overview

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Cylinder block

Paired to - 12 -
Sealant applied on cylinder block (for guide frame) → Guide frame sealant application on cylinder block

2 - Seals

Replace

3 - Crankshaft seal, ribbed belt side

Replacing → Crankshaft Seal, Belt Pulley Side, Replacing .

4 - Alignment bushing

3 pieces
Insert into guide frame
Installed location → Installation position of alignment bushings

5 - 9 Nm

6 - Guide tube for oil dipstick

7 - O-ring

Replace

8 - Bolts

For guide frame
Replace
Various bolt sizes
Tightening order → Installing guide frame

9 - Baffle plate

10 - 9 Nm

Tightening order → Baffle plate tightening plate

11 - Bolt

For sealing surfaces of cylinder block/guide frame
Different bolt lengths
Tightening specifications and tightening sequence → Installing guide frame

12 - Bearing bracket

Paired to - 1 -
Sealant applied on cylinder block (for guide frame) → Guide frame sealant application on cylinder block
Tightening order → Installing guide frame

13 - Thrust washer

Only at 4th crankshaft bearing
Lubricating grooves face outward
Note locating point in guide frame
Measuring crankshaft axial clearance → Axial Clearance, Measuring

14 - Bearing shell

For guide frame without lubricating groove
Do not interchange used bearing shells (mark)
Insert new bearing shells for guide frame with proper color marking: With new crankshafts → Main Bearing Shells, New Crankshafts, Allocating , with used and reworked crankshafts → Main Bearing Shears, Used and Reworked Crankshafts, Allocating

15 - Crankshaft

Measuring axial play → Axial Clearance, Measuring
Radial clearance, measuring → Radial Clearance, Measuring
Do not turn crankshaft when measuring radial play
Crankshaft dimensions → Crankshaft Dimensions

16 - Thrust washer

Only at 4th crankshaft bearing
Lubricating grooves face outward
Measuring crankshaft axial clearance → Axial Clearance, Measuring

17 - Bearing shell

For cylinder block with oil groove
Do not interchange used bearing shells (mark)
Insert new bearing shells for cylinder block with proper color marking: With new crankshafts → Main Bearing Shells, New Crankshafts, Allocating , with used and reworked crankshafts → Main Bearing Shears, Used and Reworked Crankshafts, Allocating

18 - Seals

Replace