Timing chain replacement: Volvo S80, V70 2.0 (B4204S3, B4204S4)

🧭 Before you start

Fits: platform codes 2.0, |, 16V, FLEXIFUEL

• Timing position: the crankshaft or camshaft is set and locked during this job
• Special tools named: locking pin
• Renewed: gaskets fit the timing chain

Don't miss

• Use a wrench to counterhold
• The cover must be fitted (including torque checking) within 10 minutes
• If the special tools do not fit

🔧 Engine codes this applies to

📐 42 workshop diagrams for B4204S3

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 use new gaskets
3. Fit the timing chain and gearwheels together
4. Remove the front right wheel
5. Remove the right wheel arch liner

6. Note: Use a wrench to counterhold
7. Remove the wiring loom from the cylinder head
8. Clean off the old sealant
9. Remove the spark plugs
10. Cylinder head cover
11. Attach the engine to the engine support bar
12. Remove the front engine mount
13. Remove the crankshaft pulley
14. Use the special tools to remove the crankshaft pulley
15. Remove the crankshaft front radial seal
16. Use the special tool
17. Disconnect the crankshaft position sensor
18. Disconnect the hose
19. Remove the timing cover lower bolts
20. Remove the bracket
21. Loosen the power steering pump and place it aside
22. Remove the blanking plug
23. Fit the crankshaft TDC locking pin
24. Remove the idler pulley
25. Use the crankshaft pulley bolt
26. Remove the crankshaft pulley centre bolt
27. Remove the camshaft gearwheel(s) together with the timing chain
28. Remove the bolt
29. Remove the special tool
30. Remove the crankshaft TDC positioning tool
31. If the special tools do not fit
32. Repeat the procedure

Installation and checks

33. Fit the locked tensioner
34. Note: The cover must be fitted (including torque checking) within 10 minutes
35. Reconnect the hose
36. Turn the tensioner to its locking position
37. Tighten the bolt slightly
38. Renew the crankshaft pulley bolt
39. Re-tighten the crankshaft pulley bolt
40. Turn the crankshaft clockwise by 1 3/4 turns to 45° before TDC for cylinder 1
41. Fit the crankshaft TDC locking pin
42. Turn the crankshaft to TDC for cylinder 1
43. Check the position of the crankshaft pulley
44. Note: Fit the bolt(s) finger-tight only
45. Refit the special tool
46. Remove the special tool
47. Remove the bolt
48. Remove the crankshaft TDC positioning tool
49. Refit the blanking plug
50. Align the crankshaft position sensor
51. Reconnect the crankshaft position sensor
52. Refit the spark plugs
53. Use the special tool
54. Refit the ancillary drive belt
55. Apply sealant as indicated
56. Refit the valve cover
57. Refit the valve cover
58. Refit the spark plugs
59. Refit the ignition coil(s)
60. Refit the positive crankcase breather
61. Reconnect the remaining wiring and hoses to the cylinder head
62. Refit the engine upper cover(s)
63. Fit the ancillary drive belt
64. Refit the wheel arch cover lining
65. Fit the belt cover
66. Refit the wheel
67. Reconnect the battery earth cable

Other VOLVO procedures

• 1.8 B4184S11/B4184S8/ 2.0 B4204S3/B4204S4 drive belt
• S40/V50/C30 B4184S11/B4184S8/B4204S3
• Volvo B5244S gearbox removal & installation
• S40/V40 B4184S2 M5P/M56 clutch removal
• Volvo 1.6 TD D4164T timing chain replacement
• Volvo 2.0 TD timing chain replacement
• S40/V40 M56 petrol (with self adjusting) clutch removal
• Volvo S40, V50, C30 1.6 B4164S3 timing belt replacement
• Volvo S40, V50, C30 DV6 1.6 TD D4164T timing belt replacement
• Volvo S60 D5 M56 gbox gearbox removal & installation