TorqFix

Gearbox removal & installation: Agila B K12B/K10B (->2010) — OPEL / VAUXHALL

Gearbox removal & installation — Agila B K12B/K10B (->2010) on Opel / Vauxhall: 69 steps, engines K10B, K12B.

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

69 steps 2 engine codes

🧭 Before you start

Fits: platform codes 1.0, 12V, |, 1.2, 16V

  • Timing position: the crankshaft or camshaft is set and locked during this job
  • Special tools named: locking tool

🔧 Engine codes this applies to

K10BK12B

📋 Procedure

  1. Locking tool:
  2. Engine/gearbox attaching nut:
  3. Remove the front wheels
  4. Left engine support:
  5. Lower the vehicle
K10B? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Remove the air filter housing
  2. Drive shaft nut:
  3. Remove the battery
  4. Disconnect the engine control unit
  5. Remove the battery tray
  6. Remove the engine control unit with bracket
  7. Disconnect the electrical wiring from the gearbox
  8. Remove the gearbox electrical connections
  9. Disconnect the clutch cable
  10. Disconnect the gear selector cables from the gearbox
  11. Remove the gearbox earth cable
  12. Remove the gear-shift control bracket
  13. Remove the starter motor upper bolt
  14. Remove the engine/gearbox upper attaching bolts
  15. Fit a lifting eye to the cylinder head
  16. Lifting eye:
  17. Use a hoist to support the engine
  18. Engine support tool:
  19. Remove the left engine support
  20. Raise the vehicle
  21. Drain the gearbox fluid
  22. Remove the splash guards
  23. Remove the drive shafts
  24. Special tool:
  25. Remove the lower arm ball joints
  26. Disconnect the drive shafts from the wheel bearing housings
  27. Use a special tool:
  28. Disconnect the drive shafts from the gearbox
  29. Remove the impact absorber
  30. Remove the left engine support
  31. Remove the engine support bracket
  32. Remove the starter motor
  33. Remove the rear engine support
  34. Transmission jack:
  35. Fit the special tool to support the gearbox
  36. Remove the oil sump/gearbox attaching bolts
  37. Remove the engine/gearbox attaching nut(s)
  38. Remove the remaining engine/gearbox attaching bolts
  39. Separate the gearbox from the engine
  40. Remove the gearbox

Other OPEL / VAUXHALL procedures

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.