Removing camshaft timing chain from camshafts - engine code CAPA — AUDI

🧭 Before you start

Fits: Audi A5 (8T, 2007–2016), Audi A5 Cabriolet (8F), Audi A4 B8 (8K, 2007–2015)

• Timing position: the crankshaft or camshaft is set and locked during this job
• Special tools named: T40058, locking pin, torque wrench
• Renewed: seal

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• Place a cloth beneath the sump (top section) to catch escaping oil.
• Renew the seal on the screw plug for the "“TDC”" mark.Renew the bolts tightened with specified tightening angle.
• Avoid damage to valves and piston crowns.The crankshaft must not be at "“TDC”" at any cylinder when the camshafts are turned. — Check that camshafts on both cylinder heads are positioned at "“TDC”".
• If the pins cannot be inserted in the camshafts, the camshafts can be turned slightly using adapter T40061. To do so, screw securing bolts for camshaft sprocket into camshaft.
• Avoid damage to valves and piston crowns.The crankshaft must not be at "“TDC”" at any cylinder when the camshafts are turned. — Install camshaft timing chain (left-side) with camshaft chain sprocket and chain tensioner.

🔧 Engine codes this applies to

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Remove timing chain cover: left-side , right-side .
2. Insert guide pin of adapter T40058 as follows:
3. ⚠ Irreparable damage can be caused if the camshaft timing chains slip.Turn crankshaft only in direction of engine rotation (arrow). — Use adapter T40058 to turn crankshaft to "“TDC”" position. [Note: The adjustment pin T40060 has a flat (2) which makes it easier to insert when the locating bores in the camshaft and cylinder head are not exactly in line.The adjustment pin is inserted initially so that the side pin (1) is perpendicular to the imaginary line between the adjustment pin and the centre of the camshaft.To obtain the correct "“TDC”" position, the side pin (1) must then be turned 90° (arrow) so it is in line with the imaginary line between the adjustment pin and the centre of the camshaft.]
4. Check that camshafts on both cylinder heads are positioned at "“TDC”". [Note: Place a cloth beneath the sump (top section) to catch escaping oil.]
5. Use extended hexagon socket wrench with ball head and unscrew plug (arrow) from sump (top section).

6. Screw locking pin3242 into hole (20 Nm); if necessary, turn crankshaft backwards and forwards slightly to fully centralise locking pin. — 20 Nm (15 lb-ft)
7. Wrap insulating tape around tip and shaft of 3.3 mm ∅ drill bit to avoid cutting yourself.
8. Press guide rail of camshaft timing chain tensioner (left-side) in direction of (arrow) and lock chain tensioner by inserting 3.3 mm ∅ drill bit (item 1).
9. ⚠ Risk of irreparable damage to engine.Block off the opening in the valve timing housing with a clean cloth to prevent small items from dropping into the engine. — Remove bolts (1) for chain tensioner and (2) for camshaft chain sprocket.
10. Detach camshaft chain sprocket and chain tensioner (left-side).
11. Wrap insulating tape around tip and shaft of 3.3 mm ∅ drill bit to avoid cutting yourself.
12. Press guide rail of camshaft timing chain tensioner (right-side) in direction of (arrow) and lock chain tensioner by inserting 3.3 mm ∅ drill bit (item 1).
13. ⚠ Risk of irreparable damage to engine.Block off the opening in the valve timing housing with a clean cloth to prevent small items from dropping into the engine. — Remove bolts (1) for chain tensioner and bolts (2) and (3) for camshaft chain sprocket.
14. Detach camshaft chain sprocket and chain tensioner (right-side). [Note: Renew the seal on the screw plug for the "“TDC”" mark.Renew the bolts tightened with specified tightening angle.]
15. ⚠ Avoid damage to valves and piston crowns.The crankshaft must not be at "“TDC”" at any cylinder when the camshafts are turned. — Check that camshafts on both cylinder heads are positioned at "“TDC”".
16. Remove adjustment pin T40060 from both camshafts. [Note: If the pins cannot be inserted in the camshafts, the camshafts can be turned slightly using adapter T40061. To do so, screw securing bolts for camshaft sprocket into camshaft.]
17. ⚠ Avoid damage to valves and piston crowns.The crankshaft must not be at "“TDC”" at any cylinder when the camshafts are turned. — Install camshaft timing chain (left-side) with camshaft chain sprocket and chain tensioner.
18. Tighten bolts (1) for chain tensioner.
19. Fit both bolts (2) for camshaft chain sprocket without tightening.
20. Use adjustment pin T40060 to lock camshaft (left-side).
21. Pull drill bit (3) out of locating hole, this releases the chain tensioner (left-side).
22. Install camshaft timing chain (right-side) with camshaft chain sprocket and chain tensioner.
23. Tighten bolts (1) for chain tensioner.
24. Fit both bolts (2) for camshaft chain sprocket without tightening.
25. Use adjustment pin T40060 to lock camshaft (right-side).
26. Pull drill bit (3) out of locating hole, this releases the chain tensioner (right-side).
27. Apply a torque of 20 Nm to camshaft sprocket (right-side) in clockwise direction (arrow) using a torque wrench and adapter T40062 and maintain this torque. — 20 Nm (15 lb-ft)
28. Tighten bolts (1) and (2).
29. Remove adapter T40062 and adjustment pin T40060.
30. Tighten remaining bolts for camshaft sprocket (right-side).
31. Apply a torque of 15 Nm to camshaft sprocket (left-side) in clockwise direction (arrow) using a torque wrench and adapter T40062 and maintain this torque. — 15 Nm (11 lb-ft)
32. Tighten bolts (1) and (2).
33. Remove adapter T40062 and adjustment pin T40060.
34. Tighten remaining bolts for camshaft sprocket (left-side).
35. Remove locking pin3242.
36. ⚠ Irreparable damage can be caused if the camshaft timing chains slip.Turn crankshaft only in direction of engine rotation (arrow). — Turn crankshaft two rotations until it is again positioned just before "“TDC”".
37. While turning in this direction, lock crankshaft (1) with locking pin3242. Tighten locking pin to 20 Nm. — 20 Nm (15 lb-ft)
38. ⚠ The crankshaft must be exactly in "“TDC”" position to ensure accurate valve timing adjustment.If crankshaft has been turned past "“TDC”" position, turn crankshaft two further rotations until it is again positioned just before "“TDC”". Then turn further in the same direction and lock crankshaft with locking pin3242. — Check that camshafts on both cylinder heads are positioned at "“TDC”".
39. If the pin cannot be inserted in one of the camshafts, loosen all bolts (arrows) of relevant camshaft chain sprocket approx. 1 turn.
40. Apply adapter T40061 to the heads of the loosened bolts.
41. Turn camshaft slightly backwards and forwards with adapter T40061 until adjustment pin T40060 can be inserted.
42. With adapter T40061 and adjustment pin T40060 still in position, tighten bolts on camshaft sprocket to approx. 5 Nm. — 5 Nm (3.7 lb-ft)
43. Remove adjustment pin T40060 and adapter T40061.
44. Tighten bolts for camshaft chain sprocket to final torque.
45. Repeat procedure on other cylinder bank if necessary.
46. Remove locking pin3242.
47. Check valve timing once again .
48. Tighten plug (arrow) for "“TDC”" marking in sump (top section) .
49. Install timing chain cover: left-side , right-side .

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