Removing and installing injector for reducing agent N474: VW Jetta VI (CKFC, CLHA, CLHB, CLHC, …)

🧭 Before you start

Fits: VW Jetta VI (16, 2010–2018)

• Renewed: seals

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• Place a cloth underneath separating point to catch any escaping reducing agent.
• Renew seals.Secure all hose connections with hose clips meeting production standard Electronic Parts Catalogue.

🔧 Engine codes this applies to

📋 Procedure

1. Remove engine cover panel .
2. Release and pull off connector of injector for reducing agent N474 at plenum chamber bulkhead.
3. Lay wiring harness to one side. [Note: Place a cloth underneath separating point to catch any escaping reducing agent.]
4. Clamp off coolant hoses using hose clamps to 25 mm3094 and remove.
5. To do this, release hose clips (3).

6. Release retaining clip (1), and remove injector for reducing agent N474.
7. Release and pull off reducing agent line (2).
8. Press together securing clip of line (1) in (direction of arrow 1), as shown in illustration, to pull off line.
9. Pull off delivery line in (direction of arrow 2) without tools and without »jerking«.
10. Seal off all open lines and connections with clean plugs from engine bung setVAS 6122. [Note: Renew seals.Secure all hose connections with hose clips meeting production standard Electronic Parts Catalogue.]
11. Fit engine cover panel .
12. Adapt learnt value for SCR system after reducing agent has been drained or after components have been renewed .

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