Removing and installing crankshaft, flywheel/drive plate and sealing flange — AUDI

Notes:

For repairs to the clutch:

When working on the engine, it should be secured to the engine stand using the engine bracket VW 540.

Gasket
Replace
As of engine no. AAR 037 700: O-ring

Locking plate
Replace

10 Nm
install using locking fluid
Locking fluid

=> Parts List

Suction pipe
Fasten at oil pump first

Bearing cap
Bearing cap 1: Pulley end
Bearing shell retaining lugs (cylinder block/bearing cap) must be on the same side.

65 Nm

30 Nm + 1/4 turn (90°) further
Replace

Ball bearing
Replace if not running smoothly or stiff
Pulling out and driving in
=> Page
13-50

Flywheel or drive plate
Removing and installing flywheel
=> Page
13-47
Removing and installing drive plate => Page
13-48
Retrofitting ignition point notch
=> Fig.
13-44

Sealing ring
Can only be replaced together with -Item
11
-

Rear sealing flange
With sealing ring
Before fitting sump, apply a small amount of sealant to sealing points between sealing flange and cylinder block
Sealants

=> Parts List

Gasket
Replace

Crankshaft
Axial clearance new: 0.07...0.23 mm
Wear limit: 0.25 mm
Check radial play with Plastigage
New: 0.018...0.058 mm
Wear limit: 0.10 mm
Do not rotate the crankshaft when checking the radial play.
Crankshaft dimensions
=>Page
13-52
.

Thrust washers
For bearing 3 bearing cap
Note fixing arrangement

Bearing shell
For bearing cap without oil groove
For cylinder block with oil groove
Do not interchange used bearing shells (mark).

Thrust washers
For cylinder block (without retaining lugs)
Note fixing arrangement

Bearing shell
For bearing cap without oil groove
For cylinder block with oil groove
Do not interchange used bearing shells (mark).

Gasket
Replace

Oil pump
Removing and installing
=>Page
17-14
.
When installing, watch position of follower at crankshaft

Oil seal
For crankshaft
Removing and installing
=>Page
13-45
.

20 Nm
Not installed

Fig.1
Retrofitting ignition point notch

Note:

Replacement flywheels and drive plates are only supplied with TDC marking "0". The ignition point notch must be retrofitted when the flywheel or drive plate is replaced.

Mark the ignition point notch leftwards from the centre of the TDC mark. The curve dimension must be measured.
Dimension a = 36.5 mm

Note:

Dimension "a" corresponds to an ignition point of 15 ° before TDC.