Checking fuel tank breather, engine codes CDLG, CAVB, CAVC, CAVD, CBZA, CBZB, CTHD, CTKA — VW

🧭 Before you start

Fits: VW Golf VI (5K, 2008–2013); platform code 521

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• Operate hand vacuum pumpVAS 6213 several times. Vacuum must not build up.
• Seal breather hole (arrow) and operate vacuum pump again several times. Vacuum must build up.

🔧 Engine codes this applies to

📋 Procedure

1. Pull off bleeder line (1). Separate push-on couplings .
2. Connect hand vacuum pumpVAS 6213 to breather line leading to activated charcoal filter as shown.
3. Connect connecting nippleVAS 6550/3-1 to breather line so that nipple engages.
4. Connect hand vacuum pumpVAS 6213 to connecting nippleVAS 6550/3-1 using a standard hose (A).
5. Move slide ring (1) on hand vacuum pumpVAS 6213 to position (A) for "“vacuum”".

6. Operate hand vacuum pumpVAS 6213 several times. Vacuum must not build up.
7. Check breather hole on activated charcoal filter for soiling and clean if necessary.
8. Seal breather hole (arrow) and operate vacuum pump again several times. Vacuum must build up.
9. Also clamp off hose between activated charcoal filter and activated charcoal filter solenoid valve 1N80.
10. Operate vacuum pump several times.

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