Auxiliary belt replacement: Daewoo Cruze Z20S1 2.0 diesel (Z20DMH)

🧭 Before you start

Fits: platform codes 2.0, 16V, D

• Timing position: the crankshaft or camshaft is set and locked during this job
• Special tools named: locking pin, locking tool
• Renewed: bolts single stage

Don't miss

• The engine must be cold before timing belt adjustment
• Counterhold at crankshaft bolt
• Remove the power steering pump but do not disconnect the lines

🔧 Engine codes this applies to

📋 Procedure

Preparation and removal

1. Check the belt(s) for cracks, fraying, wear and oil contamination
2. Note: Avoid bending, torsion or traction
3. Crankshaft gearwheel
4. Remove the air filter outlet hose(s)
5. Note: The engine must be cold before timing belt adjustment

6. Remove the engine lower cover
7. Remove the ancillary drive belt
8. Remove the ancillary drive belt tensioner
9. Remove the ancillary drive belt idler pulley
10. Remove the lower intercooler hose
11. Turn the crankshaft clockwise to align the timing marks
12. Remove the access plug
13. Turn the crankshaft until the locking pin fits
14. Support the engine/gearbox with a lifting jack
15. Use the special tools
16. Crankshaft pulley:
17. Remove the crankshaft pulley
18. Note: Counterhold at crankshaft bolt
19. Remove the timing belt lower cover
20. Lower the vehicle
21. Remove the right-hand engine support
22. Power steering pump:
23. Remove the power steering pump but do not disconnect the lines
24. Remove the timing belt upper cover
25. Remove the vacuum pump
26. Align the camshaft timing marks
27. If necessary:
28. Remove the crankshaft locking pin

Installation and checks

29. Turn the crankshaft clockwise to align the timing marks
30. Fit the crankshaft locking pin
31. Fit the camshaft locking tool
32. Loosen the tensioner pulley bolt
33. Turn the tensioner anti-clockwise to tension the timing belt
34. Use an Allen key
35. Until the notch is aligned with the indicator
36. Tighten the tensioner pulley bolt
37. Remove the camshaft locking tool
38. Raise the vehicle
39. Remove the crankshaft locking pin
40. Refit the access plug
41. Turn the engine 2 rotations clockwise
42. Check the crankshaft timing marks
43. Lower the vehicle
44. Check the camshaft timing marks
45. Note: Repeat the procedure if the marks are outside the specified area
46. Refit the timing belt upper cover
47. Refit the vacuum pump
48. Renew the bolts
49. Renew the bolts
50. Single stage:
51. Stage 1:
52. Stage 2:
53. Tighten the engine support bolts
54. Raise the vehicle
55. Ancillary drive belt tensioner:
56. Refit the ancillary drive belt tensioner
57. Check for correct fitting
58. Tighten the tensioner bolt
59. Ancillary drive belt idler pulley:
60. Refit the ancillary drive belt idler pulley
61. Refit the ancillary drive belt
62. Remove the engine support tool
63. Refit the lower intercooler hose
64. Refit the engine lower cover
65. Lower the vehicle
66. Refit the air filter housing
67. Refit the air filter outlet hose(s)
68. Reconnect the mass airflow meter
69. Refit the engine upper cover

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