Removing and installing injectors N30/N33: Audi 1.2 (CBZA, CBZB)

🧭 Before you start

Fits: platform code 2C0

🔧 Engine codes this applies to

📋 Procedure

1. Remove coolant hose out of guide on pressure pipe.
2. Unscrew bolts (1) and remove retaining clip.
3. Pull connector (2) off charge air pressure sender G31 with intake air temperature sender 2G299.
4. Unlock catches in (direction of arrow) and pull pressure pipe (3) first off throttle valve module J338 and then off turbocharger.
5. Remove high-pressure pump .

6. Undo bolts (arrows) and pull off fuel rail of injector, cylinder 1N30 to injector, cylinder 4N33.
7. Push O-ring upwards by hand as shown and pull it off injector, cylinder 1N30 to injector, cylinder 4N33.
8. Bolt hammer T10133/3 and puller T10133/15 to each other.
9. Then insert puller T10133/15 into groove (arrow) on injector.
10. Pull injector, cylinder 1N30 to injector, cylinder 4N33 out with careful taps of the hammer.
11. Thoroughly clean holes of injector, cylinder 1N30 to injector, cylinder 4N33 in cylinder head, using the nylon brush T10133/4.
12. Renewing support washer .
13. Whenever injector, cylinder 1N30 to injector, cylinder 4N33 are removed, always renew the spring element (arrow), the support washer, the O-ring and the Teflon seal . [Note: The Teflon seal on the injector must not be oiled or greased.Injector, cylinder 1N30 to injector, cylinder 4N33 should be easy to insert but, if necessary, wait until the seal has sufficiently contracted.Ensure correct position of injectors in cylinder head.Set of seals Electronic Parts Catalogue
14. Press injector, cylinder 1N30 to injector, cylinder 4N33 into the bore in the cylinder head as far as possible by hand.

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