Removing and installing coolant pipes (rear): Audi A1 (CUSB)

🧭 Before you start

Fits: Audi A1 (8X, 2010–2018)

• Opens: coolant
• Special tools named: VAS 5014
• Renewed: seal

Don't miss

• Take care not to damage the surface coating of the drive shaft.
• Disregard (item 5).
• Disregard (item 3).
• Place a cloth underneath to catch escaping coolant.
• Renew seal and O-ring after removal.Secure all hose connections with correct type of hose clips (as original equipment) Electronic parts catalogue.

🔧 Engine codes this applies to

📋 Procedure

1. Remove front exhaust pipe .
2. Remove air cleaner housing .
3. Detach drive shaft (right-side) from gearbox and tie it up towards rear Running gear, axles, steering40Drive shaft; Removing and installing drive shaft. [Note: Take care not to damage the surface coating of the drive shaft.]
4. Remove bolts (arrows) and detach heat shield for drive shaft (right-side).
5. Unplug electrical connector (2).

6. Press release tabs on both sides of crankcase breather hose (1) and disconnect hose from cylinder head cover.
7. Move clear vacuum hoses at air pipe (arrows).
8. Disconnect vacuum hose (4).
9. Release hose clip (3) and detach air pipe from turbocharger. [Note: Disregard (item 5).]
10. Take electrical connectors (1, 2) out of bracket, unplug connectors and move electrical wiring clear.
11. Remove bolt (4).
12. Release hose clips (5) and disconnect hoses from metering tubes of exhaust gas pressure sensors. [Note: Disregard (item 3).]
13. Open heat insulation sleeve (1).
14. Unplug electrical connectors (2, 3) and move electrical wiring clear.
15. Detach electrical connector (4) for exhaust gas temperature sender 1G235 from bracket, unplug connector and move electrical wiring clear.
16. Unscrew bolts (5) and detach bracket with exhaust gas pressure sensors.
17. Detach gear selector cable and gate selector cable from gearbox, remove cable support bracket and place to one side with selector cables attached 34Selector mechanism; Removing and installing selector mechanism.
18. Release catch (arrow) and move bracket for coolant hose clear at exhaust gas recirculation cooler.
19. Loosen bolt (1) and remove bolt (2).
20. Loosen nut (2) and bolts (4, 6) by one turn.
21. Remove bolts (3, 5, 7, 8, 9) and detach bracket (B).
22. Release screw-type clip (1) and place it on intake funnel of emission control module (A).
23. Press emission control module slightly towards rear and secure it. [Note: Place a cloth underneath to catch escaping coolant.]
24. Clamp off coolant hoses with hose clamps up to 25 mm3094.
25. Release hose clips (1, 3) and disconnect coolant hoses.
26. Remove bolts (arrows).
27. Push emission control module (2) towards rear and disconnect coolant pipe (rear).
28. Place collector tank from coolant collecting system VAS 5014 or drip tray for workshop hoistVAS 6208 underneath.
29. Release hose clip (1) and detach coolant hose.
30. Unscrew bolts (arrows) and remove coolant pipe (rear right). If necessary, push emission control module slightly to left side. [Note: Renew seal and O-ring after removal.Secure all hose connections with correct type of hose clips (as original equipment) Electronic parts catalogue.]
31. Unscrew bolt (1) and remove bracket (2).
32. Bring bracket into installation position and screw in bolt until it makes contact. [Note: Ensure that sliding bush moves easily (unstick if necessary); otherwise clamping force of sliding bush will be insufficient even at correct torque.]
33. Install gear selector cable and gate selector cable 34Selector mechanism; Removing and installing selector mechanism.
34. Install emission control module .
35. Electrical connections and routing Electrical system97Relay carriers, fuse carriers, electronics boxes; Overview of fitting locations - relay carriers, fuse carriers, electronics boxes and . [Note: Do not reuse coolant.]
36. ⚠ Risk of damage to engine due to cooling system being insufficiently filled up/bled.After it is filled, the cooling system must be bled with the . — Fill up with coolant .

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