Corsa C F23 Gearbox — OPEL / VAUXHALL

🧭 Before you start

Fits: platform codes 1.7, CDTI, 16V

• Opens: clutch fluid, gearbox oil

🔧 Engine codes this applies to

📐 76 workshop diagrams for Z17DTH

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

Preparation and removal

1. Disconnect the fuel filter heating connections
2. Remove the impact absorber
3. Disconnect the clutch hydraulic line
4. Disconnect the gear-shift cables from the gearbox
5. Use a special tool:

6. Remove the engine/gearbox upper bolts
7. Remove the air inlet pipe
8. Fit the special tool to support the engine
9. Use the special tool
10. Disconnect the steering column
11. Secure the radiator at the top
12. Remove the front wheels
13. Remove the front panel
14. Remove the wheel arch cover lining
15. Remove the lower engine cover
16. Disconnect the tie rods
17. Disconnect the stabiliser link(s)
18. Disconnect the steering arm ball joints from the wheel bearing housings
19. Use the special tool
20. Disconnect the suspension lower wishbones from the wheel bearing housings
21. Disconnect the oxygen sensor
22. Disconnect the exhaust pipe
23. Use the special tool to support the subframe
24. Remove the gear-shift control bracket
25. Remove the engine mounting bracket
26. Fit a lifting jack
27. Remove the subframe bolts
28. Remove the subframe
29. Remove the front engine support
30. Remove the rear engine support
31. Disconnect the reversing light switch cable
32. Remove the drive shafts from the differential
33. Plug the holes
34. Remove the intermediate drive shaft
35. Remove the left engine support bolt
36. Lower the engine/gearbox slightly
37. Remove the engine support bracket
38. Fit the special tool to support the gearbox
39. Remove the engine/gearbox attaching bolts
40. Remove the gearbox
41. Clutch cover:

Installation and checks

42. Refill the gearbox
43. Adjust the gear-shift mechanism
44. Check for correct operation
45. Refit the gear lever cover
46. Align the drive unit with the front axle body

Other OPEL / VAUXHALL procedures

• Astra H F23 Gearbox
• Astra H M32 Z17DTH Gearbox
• Meriva A Clutch
• Astra H Clutch
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• Opel VectraC, Signum 2.8 Z28NEL timing chain replacement
• Opel Astra G 2003 2.0 DTI Y20DTH timing chain replacement
• Opel Astra G X Y 20DTL 2.0 DTI X20DTL timing chain replacement