TorqFix

Removing and installing crankshaft, flywheel and sealing flange — AUDI

Removing and installing crankshaft, flywheel and sealing flange on Audi: factory workshop procedure for engines AAS, AAT, ABP, AEL.

Workshop procedure for AUDI — the factory write-up, straight from real workshop data.

factory workshop text 4 engine codes engine codes merged from 2 documented variants

🔧 Engine codes this applies to

📋 Procedure

ℹ️ Torque figures below come verbatim from workshop data — always cross-check against your vehicle's factory manual before final tightening.

ABP AEL
Notes:

For repairs to the clutch:

=> Manual Gearbox; Repair group 30; Servicing clutch
Manual Gearbox
Servicing clutch

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

Bearing shell
For cylinder block with oil groove
Do not interchange used bearing shells (mark with waterproof felt pen).

Actuating arm
For oil pump
With 4 drive pins
Lever open to remove
To install, preheat to a maximum 200 °C

Crankshaft
Axial play
New: 0.07...0.18 mm
Wear limit: 0.25 mm
Check radial play with Plastigage
New: 0.016...0.075 mm
Wear limit: 0.16 mm
Do not rotate the crankshaft when checking the radial play.
Crankshaft dimensions =>Page
13-60

Bearing shell
For bearing cap without oil groove
Do not interchange used bearing shells (mark with waterproof felt pen).

O-ring/oil seal
Up to engine No. ABP 001 379: Seal
Replace

Suction pipe
Secure at oil pump first

Locking plate
Replace

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

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

Thrust washers
For bearing cap
Different types for cylinder block and bearing cap
Note fixing arrangement

Flywheel or drive plate
Removing and installing flywheel => Page
13-55
Removing and installing drive plate => Page
13-56

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

Needle bearing
Only inserted into the flywheel for vehicles with manual gearbox
Pulling out and driving in => Page
13-58
Short engines are supplied without bushes in the crankshaft. For vehicles with automatic gearbox, drive in the bush before installing the drive plate =>Fig.
13-52

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

10 Nm
Duct
For crankcase breather

Sealing ring
Can only be replaced together with -Item
21
-

10 Nm
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

Seal
Replace
Only fit if the sealing flange has no sealing lip on the cylinder block side.

Cylinder block
Seal
Replace

Oil pump
Removing and installing=>Page
17-13
When installing, watch position of follower at crankshaft
Before fitting sump, apply a small amount of sealant to sealing points between sealing flange and cylinder block
Sealants

=> Parts List

M6 = 10 Nm
M8 = 20 Nm
Sealing ring
For crankshaft
Replace
Removing and installing=>Page
13-53

Fig. 1
Bearing bush for torque converter

Note:

Short-blocks and replacement engines as well as new and replacement crankshafts are supplied without a bush -arrow-. Before installing the drive plate vehicles with automatic gearboxes must have the bush fitted. For vehicles with manual gearbox, a bush must not be inserted, a needle bearing is installed in the flywheel.

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Who makes these pages, and how

TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.

The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.

Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.

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Workshop data on this page last updated 20 Sep 2026.