TorqFix

Determining thickness of shim "S4" — AUDI

Determining thickness of shim "S4" on Audi: 13 steps, 1 torque figure. What to remove, what to tighten and to how many Nm, what to check after.

Workshop procedure for AUDI — the exact step sequence and torque figures, straight from real workshop data.

13 steps 1 torque figure

🧭 Before you start

Fits: Audi A3 (8L, 1996–2003)

  • Special tools named: dial gauge
  • Also covered elsewhere: Electronic parts catalogue, ETKA) onto shaft bevel gear

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

TorqueFastener / step
50 Nm (37 lb-ft)Tighten hexagon nut

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

  1. Press large tapered roller bearing outer race for shaft bevel gear into pinion housing with press piece3253/7.
  2. Press small tapered roller bearing outer race for shaft bevel gear into pinion housing with press toolVW 472/1.
  3. Fit large tapered roller bearing inner race onto shaft bevel gear.
  4. Press small tapered roller bearing inner race onto output flange.
  5. Insert shaft bevel gear.
AUDI? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Fit the thickest shim "S4" = 2.5 mm (refer to Electronic parts catalogue, the parts catalogue) onto shaft bevel gear.
  2. Install output flange with inner race and fit hexagon nut.
  3. Screw in hexagon bolt (A) M10 to hold flange.
  4. Tighten hexagon nut to 50 Nm, loosen or completely remove hexagon bolt (A). — 50 Nm (37 lb-ft)
  5. Press shaft bevel gear towards large tapered roller bearing outer race and turn eight times.
  6. Attach dial gauge and set to "“0”" with a preload of 1 mm.
  7. Move shaft bevel gear up and down (direction of (arrow)).
  8. Read off play from dial gauge and determine S4

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.

Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com

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Workshop data on this page last updated 20 Sep 2026.