Separating engine and gearbox - manual gearbox 0B1 — AUDI
Separating engine and gearbox - manual gearbox 0B1 on Audi: 22 steps, 2 torque figures, engines CHVA, CLXA, CLXB, CNYA.
Workshop procedure for AUDI — the exact step sequence and torque figures, straight from real workshop data.
🧭 Before you start
Fits: Audi A6/A7 C7 (4G, 2011–2018); platform code 4X
- Special tools named: T40263, VAS 6131/13, VAS 6131/10
Don't miss
- Disregard (items 1, 2).
- Disregard (items 2, 3).
- Disregard (item 1).
- Disregard (items 1, 3).
- If necessary, remove radiator fan control unit.
🔩 Torque settings
Values can differ between engine variants — check the code stamped on your block.
| Torque | Fastener / step |
|---|---|
| 20 Nm (15 lb-ft) | Secure support /13-7 to scissor-type assembly platform and tighten |
| 20 Nm (15 lb-ft) | Tighten base plates for support elements |
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.
📐 12 workshop diagrams for CHVA
Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.
📋 Procedure
- Remove electrical connector (3) for Lambda probe 2 after catalytic converter G131 from bracket and unplug connector. [Note: Disregard (items 1, 2).]
- Remove bolt (1) and nuts (arrows) and detach catalytic converter (left-side).
- Remove electrical connector (1) for Lambda probe after catalytic converter G130 from bracket and unplug connector. [Note: Disregard (items 2, 3).]
- Remove bolt (1) and nuts (arrows) and detach catalytic converter (right-side).
- Unplug electrical connector (2) at engine speed sender G28 and move wiring clear. [Note: Disregard (item 1).]
- Unplug electrical connector (2) at gear detection sensor G604 and move electrical wiring clear. [Note: Disregard (items 1, 3).]
- Unbolt drive shafts (left and right) from gearbox flange shafts Running gear, axles, steering40Drive shaft; Removing and installing drive shaft.
- Detach bottom cover (1) from gearbox (arrow).
- Fit turning-over tool T40272 onto wrench (21 mm)T40263.
- Position adapter on bolts of vibration damper. [Note: If necessary, remove radiator fan control unit.]
- Counterhold crankshaft using wrench (21 mm)T40263 and turning-over tool T40272 when loosening bolts for clutch module. [Note: When performing the next step, turn the crankshaft only in the normal direction of rotation (arrow).]
- Remove 6 bolts (arrow) for clutch module, turning crankshaft 60° in normal direction of rotation each time.
- Set up scissor-type assembly platformVAS 6131 B with support set for AudiVAS 6131/10, support VAS 6131/13-7 and gearbox supportVAS 6131/14 as follows: [Note: The other support elements remain unchanged.]
- Secure support VAS 6131/13-7 in threaded hole for poly V-belt tensioner at front left of engine with M8x35 bolt and washer (outside diameter 25 mm), as illustrated.
- Secure support VAS 6131/13-7 to scissor-type assembly platform and tighten to 20 Nm. — 20 Nm (15 lb-ft)
- Position support elements from VAS 6131/10 and gearbox supportVAS 6131/14 at front of gearbox, as illustrated.
- Screw spindles on both sides upwards until gearbox supportVAS 6131/14 makes full contact with gearbox.
- Tighten base plates for support elements to 20 Nm on scissor-type assembly platformVAS 6131 B. — 20 Nm (15 lb-ft)
- Remove bolts (1) and (2) for starter.
- Separate starter from gearbox and leave in position.
- Unscrew remaining bolts (3 ... 11) securing engine to gearbox. [Note: Disregard (item A).]
- Loosen clamping bolts (1) on sides of scissor-type assembly platformVAS 6131 B and pull rear section of platform together with gearbox towards rear (arrow).
Ask TorqFix about your Audi CHVA — it answers with the exact sequence for that engine and the workshop drawing for each step. First question is free after a 20-second sign-up, no card.
Ask about your Audi CHVA — free → or sign up free to see the drawingsOther AUDI procedures
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- Removing and installing valve for oil pressure control N428
- Removing and installing Lambda probe G39
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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.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.