Timing belt replacement: Opel Corsa D 1.7 CDTI (A17DTR, A17DTS, Z17DTR)

🧭 Before you start

Fits: platform codes 1.7, CDTI

• Timing position: the crankshaft or camshaft is set and locked during this job

Don't miss

• Always fit a new timing belt after removal
• Counterhold at crankshaft bolt

🔧 Engine codes this applies to

📐 29 workshop diagrams for A17DTR

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

📋 Procedure

Preparation and removal

1. Unless otherwise advised by the manufacturer, the following procedures are recommended:
2. Always fit a new timing belt after removal
3. Timing belt covers:
4. Remove the resonator
5. Engine support bracket:

6. Remove the air filter housing
7. Remove the air filter air inlet
8. Crankshaft pulley
9. Remove the engine support
10. Lift the engine in order to disengage the right-hand engine support
11. Remove the engine support bracket bolt(s)
12. Remove the injector plate
13. Remove the camshaft sensor
14. Remove the timing cover upper bolts
15. Raise the vehicle
16. Remove the engine lower cover
17. Remove the right-hand splash guard
18. Remove the ancillary drive belt
19. Remove the engine support bracket
20. Remove the timing belt upper cover
21. Remove the crankshaft pulley
22. Note: Counterhold at crankshaft bolt
23. Remove the timing belt lower cover
24. Turn the crankshaft to TDC for cylinder 1
25. Align the timing marks
26. Use the special tool to lock the camshaft
27. Loosen the tensioner pulley bolt
28. Turn the tensioner 90° anti-clockwise
29. Tighten the tensioner bolt
30. Turn the crankshaft to TDC for cylinder 1
31. Remove the timing belt tensioner

Installation and checks

32. Use the special tool to lock the camshaft
33. Block the high-pressure pump gearwheel
34. Use the special tool
35. Fit the timing belt clockwise, starting at the crankshaft gearwheel
36. Turn the tensioner pulley clockwise
37. Tighten the tensioner bolt
38. Remove the special tools
39. Turn the crankshaft two rotations by hand
40. Align the timing marks
41. Refit the locking bolts to check the timing
42. Remove the bolts
43. Refit the timing belt lower cover
44. Fit the crankshaft pulley
45. Refit the timing belt upper cover
46. Refit the engine support bracket
47. Refit the ancillary drive belt
48. Refit the engine upper cover(s)
49. Refit the front right splash guard
50. Lower the vehicle
51. Refit the camshaft position sensor
52. Refit the injector plate
53. Lower the engine
54. Refit the engine support
55. Remove the hoist
56. Refit the air inlet
57. Refit the air filter housing
58. Reconnect the drain hose
59. Refit the resonator
60. Reconnect the mass airflow meter
61. Reconnect the mass airflow meter wiring
62. Reconnect the battery

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