Removing cylinder head - vehicles with one turbocharger: Audi A6/A7 C7 (CDUC, CDUD, CGQB, CKVB, …)

🧭 Before you start

Fits: Audi A6/A7 C7 (4G, 2011–2018)

• Opens: coolant
• Special tools named: T40246

Don't miss

• Disregard (item 2).
• Disregard (arrow) on right-side of illustration.
• Disregard (arrows).
• Ignore (arrow on left side of illustration).

🔧 Engine codes this applies to

📐 1 workshop diagram for CDUC

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

📋 Procedure

1. Drain coolant .
2. Remove turbocharger .
3. Remove intake manifold .
4. Remove corresponding camshafts .
5. Release hose clip (1) and detach coolant hose. [Note: Disregard (item 2).]

6. Remove bolts (1) and detach exhaust gas recirculation pipe. [Note: Disregard (item 2).]
7. Unscrew union nut (left arrow) and detach high-pressure pipe (1). [Note: Disregard (arrow) on right-side of illustration.]
8. Remove coolant pipe (front) .
9. Release hose clip (1), lift retaining clip (2) and detach coolant hoses. [Note: Disregard (arrows).]
10. Unscrew union nut (right arrow) and detach high-pressure pipe (1). [Note: Ignore (arrow on left side of illustration).]
11. Remove banjo bolt (arrow).
12. Remove guide pin (1) for guide rail and (2) for tensioning rail. [Note: Ignore T40246.]
13. Slacken cylinder head bolts in the sequence (1 ... 8).
14. Remove bolts and carefully take off cylinder head.

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