Removing and installing radiator - all engine codes except CUKB, CXUA — AUDI

🧭 Before you start

Fits: Audi A3 (8V, 2012–2020); platform code 85

• Opens: coolant
• Renewed: o-rings
• Also covered elsewhere: Electronic parts catalogue (ETKA)

Don't miss

• When installing the radiator, the radiator mounting is re-used; it must be bolted onto the lock carrier. Bolts Electronic parts catalogue (ETKA).
• Do not reuse coolant.

🔧 Engine codes this applies to

📋 Procedure

1. Drain coolant .
2. Remove radiator cowl .
3. Remove bumper cover (front) General body repairs, exterior63Bumper (front); Removing and installing bumper cover.
4. Lift retaining clip (arrow) and disconnect coolant hose (top right) from water radiator for charge air cooling circuit.
5. Lift retaining clip (arrow) and disconnect coolant hose (top left) from radiator.

6. Release fastener (arrow) and remove cover (1) towards front.
7. Pinch fasteners (both sides) (arrows) off radiator mounting with side-cutting pliers. Push radiator for engine coolant with water radiator for charge air cooling circuit (top) slightly towards rear. [Note: When installing the radiator, the radiator mounting is re-used; it must be bolted onto the lock carrier. Bolts Electronic parts catalogue.]
8. Unclip air duct (2) downwards on both sides (arrow B).
9. Release catches on both sides (arrow A) and detach condenser (3) from water radiator for charge air cooling circuit (1).
10. Tie up condenser to lock carrier.
11. Detach radiator with water radiator for charge air cooling circuit.
12. Press locking tabs on left and right sides of radiator simultaneously (arrow), and detach radiator from water radiator for charge air cooling circuit.
13. Release fasteners at water radiator for charge air cooling circuit (1)(arrows A).
14. Detach water radiator for charge air cooling circuit from radiator (2)(arrow B) and disengage (arrow C).
15. Detach both radiators. [Note: If there are slight impressions on the fins, refer to .Renew O-rings.Bolt radiator mountings to lock carrier (arrows) if fasteners have been pinched off. For bolts, refer to Electronic parts catalogue.Tightening torque: 5 Nm]
16. Install radiator cowl .
17. Connect coolant hose with plug-in connector . [Note: Do not reuse coolant.]
18. Fill up with coolant .
19. Install bumper cover (front) General body repairs, exterior63Bumper (front); Removing and installing bumper cover.

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