Removing and installing coolant pipe (front right): Audi A8 D3 (BHT, BSB, BTE, CCGA, …)

🧭 Before you start

Remove the air intake hoses, right air cleaner top and right intake manifold section, open the expansion tank and remove the plenum covers. Support the engine with the support bracket, remove both front wheels, the noise insulation, the anti-roll bar and, with the subframe supported, the engine cross member. Drain the coolant at the pipe hose and detach the pipe. Refit subframe, anti-roll bar, intake manifold and body brace, fill the cooling system and deactivate jacking mode.

Fits: Audi A8 D3 (4E, 2002–2010)

• Opens: coolant

Don't miss

• Take up the engine weight with the support bracket before removing the cross member.
• Open the expansion tank cap under a cloth; hot coolant or steam can escape.
• Unbolt the anti-roll bar evenly on both sides.
• Use hose clips of the original equipment type on all connections.
• Deactivate air suspension jacking mode once the work is complete.

Written for this job from the workshop steps below · TorqFix editorial.

🔧 Engine codes this applies to

📋 Procedure

1. Detach hose (1) from air intake hose.
2. Remove air hose (left-side) (arrows).
3. Detach electrical connector (1) for air mass meter G70 (right-side) at air cleaner housing.
4. Detach air intake hose (4) from intake manifold.
5. Unhook bracket for connectors (2) and (3) at top section of air cleaner housing.

6. Remove bolts (arrows).
7. Detach top section of air cleaner housing (right-side).
8. Detach vacuum hose (4) at solenoid valve 1 for activated charcoal filter system N80. [Note: Disregard items (1 ... 3).]
9. Unplug electrical connector (6) at throttle valve module J338.
10. Unplug vacuum hose (1).
11. Disconnect hoses for crankcase breather system (4) and (5).
12. Remove bolts (2) and (3).
13. Remove right section of intake manifold.
14. Remove cover above coolant expansion tank (arrows).
15. ⚠ Hot steam or hot coolant can escape when coolant expansion tank is opened; cover filler cap with cloth and open carefully. — Open filler cap on coolant expansion tank.
16. Pull off rubber seal (1) on plenum chamber covers.
17. Detach plenum chamber covers (2) and (3).
18. Unclip fuel lines from retainer at suspension turret.
19. Unscrew rear bolts (3) for body brace.
20. Attach the support bracket10-222 A with support10-222 A/21 onto the suspension turrets.
21. Secure spindles of support bracket10-222 A to rear engine lifting eyes.
22. Partly take up weight of engine with spindles of support bracket.
23. Remove both front wheels. [Note: Secure brake discs with wheel bolts.]
24. Vehicles with auxiliary heater: remove bolts (arrows) securing exhaust pipe for auxiliary/additional heater to noise insulation.
25. Release quick-release fasteners (1) and (2) and take off noise insulation panels.
26. Unbolt bracket for noise insulation (arrows).
27. Unscrew bolt (arrow) at bottom on coolant pipe (right-side).
28. Unplug electrical connector (2) at vehicle level sender (left and right). [Note: Disregard (item 1).]
29. Unscrew bolts (arrows) evenly on both sides of vehicle.
30. Take out anti-roll bar.
31. Support engine cross member and subframe using engine and gearbox jackV.A.G 1383 A as shown in illustration.
32. Unscrew bolts (2) and (3) on both sides of vehicle.
33. Then unscrew bolts (1) alternately on both sides of the vehicle.
34. Take out engine cross member.
35. Place drip trayV.A.G 1306 or drip tray for workshop hoistVAS 6208 under engine.
36. Disconnect coolant hose (2) from coolant pipe and drain off coolant.
37. Detach coolant pipe from coolant hose (1). [Note: Disregard (arrow).] [Note: Secure all hose connections with the correct type of hose clips (same as original equipment) Parts catalogue.]
38. Install subframe Running gear, front-wheel drive and four-wheel drive40.
39. Install anti-roll bar Running gear, front-wheel drive and four-wheel drive40.
40. Install right-side section of intake manifold: vehicles in rest-of-world ; USA vehicles .
41. Install body brace Running gear, front-wheel drive and four-wheel drive40.
42. Fill cooling system .
43. Deactivate jacking mode Running gear, front-wheel drive and four-wheel drive43Operating the air suspension.

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