TorqFix

Gearbox removal & installation: Opel Agila F12 1.2 (Z12XE)

Step-by-step gearbox removal & installation for the Opel Agila F12 1.2 (Z12XE): 33 steps. What to remove, in what order, and what to check after.

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

33 steps 1 engine code

🧭 Before you start

Fits: platform codes 1.2, 16V

🔧 Engine codes this applies to

📋 Procedure

  1. Disconnect the battery
  2. Remove the coolant expansion tank and place it aside
  3. Disconnect the clutch cable
  4. Bolts, gearbox support:
  5. Gearbox rear support:
Z12XE? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Disconnect the speedometer cable from the gearbox
  2. Disconnect the electrical wiring from the gearbox
  3. Remove the gearbox electrical connections
  4. Disconnect the gearbox earth cables
  5. Remove the engine/gearbox upper attaching bolts
  6. Use a hoist to support the engine
  7. Engine support tool:
  8. Special tools:
  9. Raise the vehicle
  10. Drain the gearbox fluid
  11. Remove the front wheels
  12. Remove the drive shafts
  13. Remove the left-hand gearbox support
  14. Remove the rear gearbox support
  15. Fit a transmission jack to support the transmission
  16. With special tool:
  17. Remove the engine/gearbox lower attaching bolts
  18. Separate the gearbox from the engine
  19. Remove the gearbox

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.