Removing and installing bearing saddle: Audi A4 B9 (CVKB, CYMC, CYRB, CYRC)

🧭 Before you start

Fits: Audi A4 B9 (8W, 2015–)

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

Don't miss

• Risk of damage to thread.The timing valves have a left-hand thread. — Turn assembly tool T10352/2 in direction of (arrow) to remove timing valve (left and right sides).
• Disregard (items 1, 2 and arrow).
• Risk of damage to bearing saddle.Detach bearing saddle carefully without tilting it. — Detach bearing saddle.
• A second mechanic is required for the following steps.
• The chain tensioner is oil-damped and can therefore only be pressed back slowly by applying constant pressure.

🔧 Engine codes this applies to

📋 Procedure

1. Remove timing chain cover (top) .
2. ⚠ Risk of damage to thread.The timing valves have a left-hand thread. — Turn assembly tool T10352/2 in direction of (arrow) to remove timing valve (left and right sides).
3. To do so, counterhold with wrench, 21 mm T40263, adapter T40314 and socket, 24 mm. [Note: Disregard (items 1, 2 and arrow).]
4. Remove bolts (1 ... 6).
5. ⚠ Risk of damage to bearing saddle.Detach bearing saddle carefully without tilting it. — Detach bearing saddle.

6. Remove sealing plug (arrow).
7. Remove bolts (arrows).
8. Bolt assembly lever T40243 onto cylinder head (bottom arrows). [Note: A second mechanic is required for the following steps.]
9. Compress and hold circlip (1) for chain tensioner.
10. Push assembly lever T40243 slowly in direction of (arrow) and hold in place. [Note: The chain tensioner is oil-damped and can therefore only be pressed back slowly by applying constant pressure.]
11. Lock chain tensioner with locking tool T40267.
12. Remove assembly lever T40243.
13. Fit and tighten bolts (arrows). Tightening torque
14. Lubricate holes (arrows) with engine oil.
15. Check whether clamping sleeve (1) is fitted.
16. ⚠ Risk of damage to bearing saddle.Carefully attach bearing saddle without tilting it. — Fit bearing saddle and screw in bolts (1 ... 6) by hand until they make contact.
17. Remove locking tool T40267.
18. Tighten bolts for bearing saddle .
19. Install timing chain cover (top) .

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