Gearbox removal & installation: Re-determining shim "„S"6“ for positioning 2nd speed selector gear — AUDI

🧭 Before you start

Fits: Audi A4 Cabriolet B6/B7 (8H), Audi A4 B6/B7 (8E), Audi A6 C6 (4F, 2004–2011)

• Special tools named: VAS 6087

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• Select correct shims from Electronic parts catalogue.

🔩 Torque settings

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

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. Set adjustment rings of universal measuring toolVW 385/1 to the following values:
2. Assemble universal measuring toolVW 385/1 as illustrated:
3. Insert universal measuring toolVW 385/1 with centring discVW 385/4 facing towards gearbox housing.
4. Fit cover for final drive with O-ring installed and tighten four bolts to 24 Nm. — 24 Nm (18 lb-ft)
5. Using the adjustable ring, move the centring disc outwards until it is no longer possible to turn the universal measuring tool by hand.

6. Position straightedgeT 40100 onto cleaned joint surface of gearbox housing.
7. Measure depth between straightedge and highest point on universal measuring toolVW 385/1 using digital depth gauge (1) (e.g. depth gauge, digital 300 mmVAS 6594).
8. Subtract height of straightedgeT 40100 from this measurement and add half the ∅ of universal measuring toolVW 385/1 to this calculation. This value is 16 mm.
9. Install input shaft, hollow shaft with pressed-on roller bearings and bearing mounting (1).
10. Position straightedgeT 40100 onto cleaned joint surface of gearbox housing.
11. Measure depth between roller bearing inner race and straightedge using digital depth gauge (2) (e.g. digital depth gauge VAS 6087).
12. Add the height of straightedgeT 40100 to this measurement. [Note: Select correct shims from Electronic parts catalogue.]
13. The shim thickness "„S"6“ in this example is 4.30 mm.

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